High-Speed Voltage Output – 1 MS/s/Channel,

12 or 16 Bit, 4 or 8 Channels
High Speed Voltage Output

NI 671x, NI 673x
NEW
• 4 or 8 channels Operating Systems
• 12 or 16-bit analog output resolution • Windows 2000/NT/XP/Me/9x
• 1 MS/s maximum output • Mac OS 9
update rate
• 8 (5 V/TTL/CMOS) digital I/O lines
Recommended Software
• LabVIEW
• 2 up/down, 24-bit resolution
• LabWindows/CVI
counter/timers
• Measurement Studio for
• Digital triggering and external
Visual Basic
clocking
• NI-DAQ driver simplifies Other Compatible Software
configuration and measurements • Visual Basic
• C/C++
Models Driver Software (Included)
• NI PCI-6711 • NI-DAQ
• NI PXI-6711
• NI PCI-6713
• NI PXI-6713 Calibration Certificate Included
• NI PCI-6733 NEW
• NI DAQCard-6715 See page 21.
• NI PXI-6733 NEW
• NI PCI-6731 NEW
DAQ and Signal Conditioning

Overview transfers (except for the NI DAQCard

National Instruments NI 671x and NI 673x devices are 12 or 16-bit AO 6715) and onboard FIFOs to output INFO CODES
For more information
sources for PCI, PXI, and PCMCIA buses. You get up to 1 MS/s per seamless high-speed waveforms. You or to order products
online, visit ni.com/info
channel on four or eight analog outputs. In addition, these devices can control the update rate with an
and enter:
feature eight digital I/O lines; two 24-bit, 20 MHz counter/timers; and onboard timer, or you can supply your
pci6711
digital triggering capability. NI 673x devices are capable of both own update or trigger signal.
pxi6711
static and high-speed digital pattern generation and acquisition. pci6713
Analog Signal Connector pxi6713
Hardware The analog outputs are available daqcard6715
Analog Output Channels through a 68-pin shielded connector. pci6731
pci6733
Each AO channel can generate waveform voltage outputs at up to DAC<0..7>OUT are the AO channels.
PXI-6733
1 MS/s (rate varies with the number of channels used). The output Each is referenced to AOGND.
channels typically settle to within less than ±1.0 LSB of full scale EXTREF is the external reference BUY ONLINE!
within 3 µs. The output range for all channels is ±10 V, but you can input. You can update the AO signal
use the external reference to select other output ranges for all externally by applying a pulse at the
channels. You can refer each individual analog output to the external update pin PFI5. A fused 5 VDC power signal from the
onboard voltage reference or to the external reference. PCI or PXI bus is available at the I/O connector.

Waveform Generation
The NI 671x and 673x devices can simultaneously generate
waveforms on up to eight channels. These devices use DMA

Analog Output Output Counter/ Current

Product Bus Outputs Resolution Rate Range Digital I/O Timers Sinks Triggers
NI 6711 PCI, PXI 4 12 bits 1 MS/s ±10 V 8 2, 24-bit – Digital
NI 6713 PCI, PXI 8 12 bits 1 MS/s1 ±10 V 8 2, 24-bit – Digital
NI 6715 PCMCIA 8 12 bits 1 MS/s1 ±10 V 8 2, 24-bit – Digital
NI 6731 PCI 4 16 bits 1 MS/s ±10 V 82s 2, 24-bit – Digital
NI 6733 PCI, PXI 8 16 bits 1 MS/s1 ±10 V 82 2, 24-bit – Digital
1
Rate varies with number of channels used. 2Static, high speed pattern generation and acquisition.

Table 1. Channel, Speed, and Resolution Specifications

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 High-Speed Voltage Output – 1 MS/s/Channel,
12 or 16-Bit, 4 or 8 Channels

Analog Output
Absolute Accuracy
% of Reading Temp
Product Nominal Range (V) 24 Hrs 90 Days 1 Year Offset (mV) Drift (%/°C)
NI 671x ±10 0.0177% 0.0197% 0.0219% ±5.933 0.0005%
NI 673x ±10 0.0044% 0.0052% 0.0061% ±1.027 0.00006%
Note: Temp Drift applies only if ambient is greater than ±10 °C of previous external calibration.

Table 2. NI 671x and NI 673x Analog Output Accuracy Specifications

AOGND 34 68 NC
NC 33 67 AOGND
AOGND 32 66 AOGND
AOGND 31 65 DAC7OUT1
DAC6OUT1 30 64 AOGND
AOGND 29 63 AOGND
DAC5OUT1 28 62 NC
AOGND 27 61 AOGND
CH0
Amp
CH0
12-Bit DAC
AOGND 26 60 DAC4OUT1
DAC3OUT 25 59 AOGND
CH1 CH1
AOGND 24 58 AOGND
Amp 12-Bit DAC
AOGND 23 57 DAC2OUT
DAC0OUT 22 56 AOGND
CH2 CH2
Amp 12-Bit DAC DAC1OUT 21 55 AOGND
EXTREF 20 54 AOGND
CH3 CH3 DIO4 19 53 DGND
Amp 12-Bit DAC CONFIG CIS
EEPROM EEPROM DGND 18 52 DIO0
DIO1 17 51 DIO5
CH4 CH4
Amp 12-Bit DAC Control/Data
DAC Bus
Address/Control
DIO6 16 50 DGND
Control Interface
PC Card (PCMCIA) Bus

DGND 15 49 DIO2
AO Bus Data
Control FPGA Interface
CH5 CH5 +5 V 14 48 DIO7
I/O Connector

Amp 12-Bit DAC

DAQ and Signal Conditioning

FIFO DAQ-STC Calibration
Data In Interface Control
EEPROM
DGND 13 47 DIO3
DGND 12 46 NC
Data

CH6 CH6
Amp 12-Bit DAC
Digital
PFI0 11 45 EXTSTROBE
Thermometer
PFI1 10 44 DGND
Control

CH7 CH7 DAC DGND 9 43 PFI2

Data/Control

Amp 12-Bit DAC FIFO

+5 V 8 42 PFI3/GPCTR1_SOURCE
DGND 7 41 PFI4/GPCTR1_GATE
Calibration
DACs
PFI5/UPDATE 6 40 GPCTR1_OUT
24
Calibration Calibration
PFI6/WFTRIG 5 39 DGND
8 Mux ADC
DGND 4 38 PFI7
Analog Output Bus Analog Input
Timing/Control Interface Timing/Control PFI9/GPCTR0_GATE 3 37 PFI8/GPCTR0_SOURCE
PFI / Trigger
Trigger DAQ-STC IRQ
GPCTR0_OUT 2 36 DGND
FREQ_OUT 1 35 DGND
Timing Counter/ RTSI Bus
Digital I/O
Timing I/O Interface
1 No Connect on 6711 or 6731

Digital I/O (8)

+5 V
Figure 3. NI 671x and NI 673x Families I/O Connector
0.75 A

Figure 1. NI 6715 Hardware Block Diagram

Ordering Information
NI PCI-6711 ..........................................................777740-01
NI PXI-6711...........................................................777794-01
NI PCI-6713 ..........................................................777741-01
Control
NI PXI-6713...........................................................777795-01
CH0 12 CH0 Generic PCI
Mini
Amp
CH0 Latch

Data
Bus
Interface MITE
Bus
Interface NI DAQCard-6715*...............................................778146-01
Address/Data

DAC
NI PCI-6731* ........................................................778511-01
Data

CH1 12 CH1 FIFO

CH1 EEPROM
Address

Amp Latch IRQ

NI PCI-6733* ........................................................778510-01
EEPROM Register
Control Decode
NI PXI-6733*.........................................................778572-01
PCI/PXI/CompactPCI

CH3/7 12 CH3/7
CH3/7 Latch
Amp
AO DMA/
Control FPGA DMA
I/O Connector

IRQ

Calibration
DAQ-STC
Bus
Includes NI-DAQ driver software.
AO Control Control Interface

Calibration
DACs
Data * Windows only
24
Calibration Calibration
8 Mux ADC

PFI / Trigger
Trigger
Analog Output
Timing/Control
Bus
Interface
Recommended Configurations
Timing Counter/
Timing I/O DAQ - STC DMA/IRQ

Analog Input
Family Bus Accessory Cable
Digital I/O (8) RTSI Bus
Digital I/O Timing/Control Interface
NI 6711 PCI, PXI SCB-68 (776844-01) SH68-68-EP (184749-01)
+5 V
NI 6713 PCI, PXI SCB-68 (776844-01) SH68-68-EP (184749-01)
1A

Note: CH4 through CH7 are found on 6713 and 6733 only
RTSI Bus
NI 6715 PCMCIA SCB-68 (776844-01) SHC68-68-EP (186838-01)
NI 6731 PCI SCB-68 (776844-01) SH68-68-EP (184749-01)
NI 6733 PCI, PXI SCB-68 (776844-01) SH68-68-EP (184749-01)
Figure 2. NI 671x and NI 673x Hardware Block Diagram

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 Analog Output Accessories and Cables
Analog Output Accessories and Cables

Device Cables Accessories

NI 6711 SH68-68-EP SCB-68, TBX-68
NI 6713 SH68-68R1-EP CB-68LP, CB-68LPR
NI 6731 R6868 BNC-2110
NI 6733 CA-1000
SH68-50 CB-50LP
N/A TB-2705 (PXI only)
NI 6715 SHC68-68-EP SCB-68, TBX-68
SHC68U-68-EP CB-68LP, CB-68LPR
RC68-68 BNC-2110
CA-1000
Above cables plus 68M-50F CB-50LP
NI 6703 SH68-68-D1 SCB-68, TBX-68
NI 6704 R6868 CB-68LP, CB-68LPR
CA-1000

Table 4. Accessory and Cable Selection Guide

I/O Connector Blocks

BNC-2110 I/O Connector Block (see Figure 1)
Figure 1. BNC-2110 I/O Connector Block The BNC-2110 is a shielded connector block with signal-labeled BNC connectors
for easy connectivity of your analog output (AO), digital I/O (DIO), and
DAQ and Signal Conditioning

counter/timer signals.
BNC-2110................................................................................................777643-01
Dimensions – 20.3 by 11.2 by 5.5 cm (8.0 by 4.4 by 2.2 in.)

SCB-68 Shielded I/O Connector Blocks (see Figure 2)

The SCB-68 is a shielded I/O connector block giving you rugged, very low-noise
signal termination. The SCB-68 also houses silk-screened component locations for
easy addition of simple signal conditioning circuitry for your AO channels.
Figure 2. SCB-68 Shielded I/O Connector Blocks SCB-68 ....................................................................................................776844-01
Dimensions – 19.5 by 15.2 by 4.5 cm (7.7 by 6.0 by 1.8 in.)

CA-1000 Custom Connectivity Enclosure (see Figure 3)

The CA-1000 is a configurable enclosure that gives you user-defined connectivity
and flexibility through customized panelettes. See page 352 for more information
on the CA-1000.

TBX-68 I/O Connector Block with DIN-Rail Mounting (see Figure 4)

The TBX-68 is a termination accessory with 68 screw terminals for easy connection
Figure 3. CA-1000 Custom Connectivity Enclosure of field signals to 68-pin DAQ devices. It includes one 68-pin male connector for
direct connection to 68-pin cables. The TBX-68 is mounted in a protective plastic
base with hardware for mounting on a standard DIN rail.
TBX-68 ....................................................................................................777141-01
Dimensions – 12.50 by 10.74 cm (4.92 by 4.23 in.)

Figure 4. TBX-68 I/O Connector Block

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 Analog Output Accessories and Cables

Analog Output Accessories and Cables

CB-68LP and CB-68LPR I/O Connector Blocks (see Figures 5 and 6)
The CB-68LP and CB-68PR are low-cost termination accessories with 68 screw
terminals for easy connection of field signals to AO devices. They include one 68-
pin male connector for direct connection to 68-pin cables. The connector blocks
include standoffs for use on a desktop or for mounting in a custom panel. The CB-
68LP has a vertical mounted 68-pin connector. The CB-68LPR has a right-angle
mounted connector and can also be used with the CA-1000.
CB-68LP ................................................................................................777145-01
Dimensions – 14.35 by 10.74 cm (5.65 by 4.23 in.) Figure 5. CB-68LP I/O Connector Block
CB-68LPR ..............................................................................................777145-02
Dimensions – 7.62 by 16.19 cm (3.00 by 6.36 in.)

TB-2705 Terminal Block for 68-pin PXI E Series Devices (see Figure 7)
Screw terminal block for PXI that works with your PXI E Series DAQ devices.
Latches to the front of your PXI module with locking screws and provides strain
relief as well as easy access to your analog, digital, trigger and counter/timer
signals through screw terminals.
TB-2705 ................................................................................................778241-01
Dimensions – 8.43 by 10.41 by 2.03 cm (3.32 by 4.1 by 0.8 in.) Figure 6. CB-68LPR I/O Connector Block

DAQ and Signal Conditioning

CB-50 I/O Connector Block with DIN-Rail Mounting (see Figure 8)
The CB-50 is a termination accessory with 50 screw terminals for easy connection
of field output signals. It includes one 50-pin header for direct connection to 50-pin
cables. The CB-50 includes a protective plastic base and hardware for mounting on
either a standard DIN rail, or flush on a wall or panel.
CB-50 ......................................................................................................776164-90
Dimensions – 13.5 by 7.3 cm (5.3 by 2.9 in.)
Figure 7. TB-2705 Terminal Block

Figure 8. CB-50 I/O Connector Block

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 Analog Output Accessories and Cables
Analog Output Accessories and Cables

CB-50LP I/O Connector Block (see Figure 9)

The CB-50LP is a termination board with 50 screw terminals for easy connection of
field output signals. It includes one 50-pin header for direct connection to 50-pin
cables. The CB-50LP includes metal standoffs for use on a desktop or for mounting
on a custom panel.
CB-50LP ..................................................................................................777101-01
Dimensions – 13.26 by 7.19 cm (5.22 by 2.83 in.)

Figure 9. CB-50LP I/O Connector Block 68 M-50F Cable Adapters (see Figure 10)
The 68M-50F is a connector adapter with a 68-pin male connector and a 50-pin female
connector. The 68M-50F adapter converts the 68-pin female connectora of a 68-pin
conductor cable to a 50-pin female connector for use with 50-pin accessories. Use the
68M-50F adapter with an SHC68-68-EP, SHC68U-68-EP, or RC68-68 to connect
DAQCard-6715 devices to 50-pin accessories
68M-50F..................................................................................................184670-01

RTSI Bus Cables (see Figures 11 and 12)

Use RTSI bus cables to connect timing and synchronization signals among
Figure 10. 68 M-50F Cable Adapter measurement, vision, motion, and CAN devices for PCI. For systems with long
and short board devices working together, use the extended RTSI cable.
DAQ and Signal Conditioning

2 devices ................................................................................................776249-02
3 devices.................................................................................................776249-03
4 devices ................................................................................................776249-04
5 devices ................................................................................................776249-05
Extended, 5 devices ..............................................................................777562-05

Shielded I/O Cables

SH68-68-EP (see Figure 13)
Figure 11. RTSI Bus Cable The SH68-68-EP is a shielded 68-conductor cable terminated with two 68-pin
female 0.050 series D-type connectors. It features individually shielded analog
twisted pairs for reduced crosstalk with high-speed devices. This cable works with
all NI PCI-671x, NI PXI-671x and NI 673x devices.
1 m..........................................................................................................184749-01

Figure 12. Extended RTSI Bus Cable

Figure 13. SH68-68-EP Shielded Cable

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 Analog Output Accessories and Cables

Analog Output Accessories and Cables

SH68-68R1-EP (see Figure 14)
The SH68-68 R1-EP is similar to SH68-68-EP except one end terminates with a
right-angle 68-pin female 0.050 series D-type connector.
1 m..........................................................................................................185785-01

SH68-68-D1
The SH68-68-D1 is similar to the SH68-68-EP cable, but it is dedicated for use with
the NI 670x analog output (AO) devices. Figure 14. SH68-68R1-EP
1 m..........................................................................................................183432-01
2 m..........................................................................................................183432-02

SHC68-68-EP (see Figure 15)

The SHC68-68-EP is a shielded cable for connecting and latching the NI DAQCard-
6715 to standard 68-pin accessories. Latching screws secure the shielded
connector to the DAQCard itself for stability. Use the SHC68-68-EP for a DAQCard
located in the bottom PCMCIA slot of a laptop.
0.5 m ....................................................................................................186838-0R5
1 m..........................................................................................................186838-01 Figure 15. SHC68-68-EP

DAQ and Signal Conditioning

SHC68U-68-EP
The SHC68U-68-EP is the same as the SHC68-68-EP, except that the DAQCard
side connector is inverted to allow two latching DAQCards to be used
concurrently. Use this cable with a DAQCard inserted in the upper PCMCIA slot
in your laptop.
0.5 m ....................................................................................................187406-0R5
1 m..........................................................................................................187406-01

SH6850 Shielded Cable (see Figure 16) Figure 16. SH6850 Shielded Cable
The SH6850 is a shielded 68-to-50 pin conductor cable for connecting NI PCI-671x, NI
PXI-671x, and NI 673x devices to 50-pin accessories such as a CB-50LP. Kit includes
the shielded cable and a 3 in. ribbon cable for connection flexibility.
1 m ........................................................................................................776784-01
2 m ........................................................................................................776784-02

Ribbon I/O Cables

R6868 Ribbon Cable (see Figure 17)
The R6868 is a 68-conductor flat ribbon cable terminated with two 68-pin
connectors. Use this cable to connect the NI 670x, NI PCI-671x, NI PXI-671x and Figure 17. R6868 Ribbon Cable
NI 673x AO devices to low-cost 68-pin accessories.
1 m..........................................................................................................182482-01

RC6868 Ribbon Cable

The RC6868 is a 68-conductor flat ribbon cable terminated with two 68-pin
connectors. Use this cable to connect the NIDAQCard-6715 AO device to low-
cost 68-pin accessories.
1 m ........................................................................................................187252-01

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 Analog Output Specifications
Analog Output Specifications

Specifications – NI 671x and NI 673x

Dynamic Characteristics
These specifications are typical at 25 °C unless otherwise stated. Settling time .............................................. 3 µs to ±0.5 LSB accuracy (NI 671x)
2.8 µs to ±1 LSB accuracy (NI 673x)
Analog Output Slew rate.................................................... 20 V/µs (NI 671x)
15 V/µs (NI 673x)
Output Characteristics
Noise.......................................................... 200 µVrms,DC to 1 MHz (NI 671x)
Number of channels
80 µVrms,DC to 1 MHz (NI 673x)
NI 6715/6713/6733 8 voltage outputs 400 µVrms, DC to 1 MHz (NI 6715)
NI 6711/6731 4 voltage outputs
Glitch energy (at mid-scale transition) (NI 671x 0nly)
Resolution .................................................. 12 bits, 1 in 4,096 (NI 671x)
Magnitude
16 bits, 1 in 65,536 (NI 673x)
Reglitching disabled ........................ ±20 mV
Maximum Update Rate (NI 671x/673x) Max Update Rate (NI 6715)
Reglitching enabled (NI 671x only) ..... ±4 mV
Number Using Local Using Host Using Local Using Host
1 2 2
Duration ................................................ 1.5 µs
of Channels FIFO (kS/s) Memory (kS/s) FIFO (kS/s)1 Memory (kS/s)
1 1,000 1,000 1,000 800 Stability
2 1,000 1,000 850 400 Gain temperature coefficient
3 1,000 1,000 750 266 Internal reference ................................. ±25 ppm/°C (NI 671x)
4 1,000 1,000 650 200 ±6.5 ppm/°C (NI 673x)
5 1,000 1,000 600 160 External reference ................................ ±25 ppm/°C (NI 671x)
6 952 1,000 550 133 ±5 ppm/°C (NI 673x)
7 833 869 510 114
Digital I/O
Number of channels .................................. 8 input/output
8 740 769 480 100
Compatibility .............................................. 5 V TTL/CMOS
1
These numbers apply to continuous waveform generation, and will not change irrespective of
Power-on state........................................... Input (high-impedance)
the number of devices in the system.
Data transfers ............................................ Programmed I/O, DMA (NI 673x),
2
These numbers may change when using more devices or when other CPU or bus activity is
interrupts (NI 673x)
DAQ and Signal Conditioning

taking place.
Input buffer ................................................ 2,000 bytes (NI 673x)
FIFO buffer size Output buffer ............................................. 2,000 bytes (NI 673x)
Transfer rate............................................... 10 MWords/s (NI 673x)
NI 6713/6733 16,384 samples
Digital logic levels
NI 6711/6715/6731 8,192 samples
Data transfers ............................................ DMA, interrupts, programmed I/O Level Minimum Maximum
DMA modes (PXI/PCI only)........................ Scatter-gather (single transfer, Input low voltage 0V 0.8 V
demand transfer) Input high voltage 2V 5V
Transfer Characteristics Output low voltage (Iout = 24 mA) – 0.4 V
NI 671x Output high voltage (Iout = 13 mA) 4.35 V –
Relative accuracy.................................. ±0.5 LSB maximum
DNL ...................................................... ±1.0 LSB maximum Timing I/O
Monotonicity......................................... 12 bits, guaranteed after calibration General-Purpose Up/Down Counter/Timers
Gain error (relative to internal reference) Number of channels .................................. 2
After calibration ............................... ±0.01% of output maximum Resolution .................................................. 24 bits
Before calibration ............................ ±0.5% of output maximum Compatibility .............................................. 5 V TTL/CMOS
Gain error (relative to external reference).. +0 to +0.5% of output maximum, Digital logic levels
not adjustable
NI 673x Level Minimum Maximum
Relative accuracy.................................. ±2.2 LSB maximum Input low voltage 0V 0.8 V
DNL ................................................... ±1.0 LSB maximum Input high voltage 2V 5V
Monotonicity......................................... 16 bits, guaranteed after calibration Output low voltage (Iout = 5 mA) – 0.4 V
Gain error (relative to internal reference) Output high voltage (Iout = 3.5 mA) 4.35 V –
After calibration ............................... ±0.003% of output maximum
Base clocks available ................................. 20 MHz and 100 kHz
Before calibration ............................ ±0.9% of output maximum
Base clock accuracy................................... ±0.01%
Gain error (relative to external reference).. ±1% of output maximum,
Maximum source frequency...................... 20 MHz
not adjustable
External source selections......................... PFI <0...9>, RTSI <0...6> (except the
Voltage Output (NI 671x and 673x) NI 6715) software-selectable
Ranges .......................................................±10.0 V, ±EXTREF
External gate selections............................. PFI <0...9>, RTSI <0...6> (except the
Output coupling ......................................... DC
NI 6715) software-selectable
Output impedance ..................................... 0.1 Ω maximum
Minimum source pulse duration ................ 10 ns, edge-detect mode
Current drive .............................................. ±5 mA maximum, total not to exceed
Minimum gate pulse duration.................... 10 ns; edge-detect mode
20 mA for all 8 outputs combined on
Data transfers ............................................ DMA, interrupts, programmed I/O
NI DAQCard 6715
DMA modes (PCI/PXI only)........................ Scatter-gather (single transfer,
Output stability .......................................... Any passive load, up to 1,500 pF
demand transfer)
Protection................................................... Short-circuit to ground
Power-on state........................................... 0 V (±200 mV) Frequency Scaler
External reference input Number of channels .................................. 1
Max Range ........................................... ±11 V Resolution .................................................. 4 bits
Overvoltage protection Compatibility .............................................. 5 V TTL/CMOS
Powered on..................................... ±25 V Base clocks available ................................. 10 MHz, 100 kHz
Powered off .................................... ±15 V Base clock accuracy................................... ±0.01%
Input impedance................................... 10 kΩ Data transfers ............................................ Interrupts, programmed I/O (NI 6715)
Bandwidth (-3 dB)................................. 1 MHz

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 Analog Output Specifications

Analog Output Specifications

Specifications – NI 671x and NI 673x (continued)
Triggers Transfer Characteristics
Digital Relative accuracy (INL) .............................. ±1.0 LSB maximum
Number of triggers .................................... 2 DNL............................................................ ±1.0 LSB maximum
Purpose Monotonicity .............................................. 16 bits, guaranteed after calibration
Analog output ....................................... Start trigger, gate, clock Voltage Output
General-purpose counter/timers........... Source, gate Ranges ....................................................... ±10.1 V
Source........................................................ PFI <0...9>, RTSI <0...6> (except the Output coupling ......................................... DC
NI 6715) Output impedance ..................................... 0.1 Ω maximum
Slope .......................................................... Positive or negative; software selectable Current drive .............................................. ±10 mA maximum
Compatibility .............................................. 5 V/TTL/CMOS Load capacitance ....................................... 10,000 pF
Response ................................................... Rising or falling edge Protection................................................... Short-circuit to ground
Pulse width ................................................ 10 ns minimum Absolute accuracy...................................... ±1 mV maximum
Power-on state........................................... Independent, user-defined
Calibration power-on states
Recommended warm-up time................... 15 minutes Current Output (NI 6704 only)
Calibration Interval ..................................... 1 year Range......................................................... 0.0; 0.1 to 20 mA
Onboard calibration reference Type ........................................................... Source, does not require external
DC Level ............................................... 5.000 V (±2.5 mV); actual value excitation source
stored in EEPROM Output impedance ..................................... 1 GΩ minimum
Temperature coefficient ....................... ±5 ppm/°C maximum (NI 671x) Output compliance .................................... 0 to 10 V
± 0.6 ppm/°C maximum (NI 673x) Protection................................................... Short circuit and open circuit
Absolute accuracy...................................... ±2 µA maximum
Long-term stability................................ ±15 ppm/√1,000h (NI 671x) Power-on state........................................... Independent, user-defined power-on
±6 ppm/√1,000h (NI 673x) states
Dynamic Characteristics
RTSI (PCI only) Settling time
Trigger lines................................................ 7 NI 6703 ................................................. 7.2 ms to ± 0.001% typ.
PXI Trigger Bus (PXI only) NI 6704 ................................................. 14.4 ms to ± 0.001% typ.
Trigger lines................................................ 6 Stability
Offset temperature coefficient

DAQ and Signal Conditioning

Star Trigger................................................. 1
Voltage.................................................. 5 µV/°C
Bus Interface Current.................................................. 10 nA/°C
PCI, PXI ...................................................... Master, slave Gain temperature coefficient
Voltage.................................................. ±1 ppm/°C
Power Requirements Current.................................................. ±2 ppm/°C
+5 VDC (±5%) ........................................... 1.0 A maximum for NI 6711
1.5 A maximum for NI 6713 Digital I/O
250 mA maximum for NI 6715 Digital logic levels
1.8 A maximum for NI 6733 Level Minimum Maximum
1.25 A maximum for NI 6731 Input low voltage -0.3 V 0.8 V
+3.3 VDC (±5%) ........................................ 250 mA maximum for NI 6731/6733 Input high voltage 2V 5V
Power available at I/O connector............... +4.65 to +5.25 VDC, 1 A
Output low voltage – 0.45 V
Physical (Iout = 16 mA) for 6704
Dimensions Output high voltage 2.4 V –
PCI ............................................................. 1.75 by 10.7 cm (6.9 by 4.2 in.) (Iout = 16 mA) for 6704
PXI ............................................................. 16 by 10 cm (6.3 by 3.9 in.)
PCMIA ....................................................... Type II PC Card Number of channels (NI 6704)................... 8 input/output
I/O Connectors Compatibility .............................................. 5 V TTL/CMOS
PCI, PXI ..................................................... 68-pin male SCSI II Power-on state........................................... Input (high impedance)
PCMIA ....................................................... female Honda Connector Data transfers ............................................ Programmed I/O
Environment Calibration
Recommended warm-up time................... 15 minutes
PCI, PXI
Calibration Interval ..................................... 1 year
Operating temperature .............................. 0 to 55o C
Onboard calibration reference (6704 only)
Storage temperature.................................. -20 to 70o C
DC Level ............................................... 10.000 V (±1 mV, actual value stored in
Relative humidity ....................................... 10 to 90%, noncondensing
EEPROM)
NI 6715 Temperature coefficient ....................... ±0.6 ppm/°C max
Operating temperature .............................. 0 to 50o C Long-term stability................................ ±6 ppm/√1,000h
Storage temperature.................................. -55 to150o C
Relative humidity ....................................... 5 to 90%, noncondensing
Bus Interface
PCI, PXI ...................................................... Slave
Certifications and Compliances Power Requirements
CE Mark Compliance +5 VDC (±5%)
NI 6703 ................................................. 1.1 A maximum
NI 6704 ................................................. 1.8 A maximum
+12 VDC (±5%) ......................................... 70 mA maximum
Specifications – NI 6703, NI 6704 -12 VDC (±5%)........................................... 70 mA maximum
These specifications are typical at 25 °C unless otherwise stated. Power available at I/O connector............... +4.65 to +5.25 VDC, 0.75 A
Analog Output Physical
Dimensions (not including connectors)
Output Characteristics PCI ........................................................ 20 by 10.6 cm (7.8 by 4.2 in.)
Device Channels PXI ........................................................ 16.0 by 10.0 cm (6.3 by 3.9 in.)
Voltage Current Total I/O connector ............................................. 68-pin male SCSI-II type
NI 6703 16 0 16 Environment
NI 6704 16 16 32 Operating temperature .............................. 0 to 55 °C
Storage temperature.................................. -20 to 70 °C
Resolution .................................................. 16 bits, 1 in 65,536 Relative humidity ....................................... 10 to 90%, noncondensing
Type of DAC............................................... Enhanced R-2R Certifications and Compliances
Data transfers ............................................ Programmed I/O CE Mark Compliance

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