Order this document by TDA1085C/D


  

 
The TDA1085C is a phase angle triac controller having all the necessary UNIVERSAL MOTOR
functions for universal motor speed control in washing machines. It operates SPEED CONTROLLER
in closed loop configuration and provides two ramp possibilities.
• On–Chip Frequency to Voltage Converter
SEMICONDUCTOR
• On–Chip Ramps Generator
TECHNICAL DATA
• Soft–Start
• Load Current Limitation
• Tachogenerator Circuit Sensing
• Direct Supply from AC Line
• Security Functions Peformed by Monitor 16
16 1

1 D SUFFIX
PLASTIC PACKAGE PLASTIC PACKAGE
CASE 648 CASE 751B
(SO–16)

ORDERING INFORMATION
Operating
Device Temperature Range Package
TDA1085CD SO–16
TJ = – 10° to +120°C
TDA1085C Plastic DIP

Figure 1. Representative Block Diagram and Pin Connections

+ VCC
9
Shunt Regulator Voltage
Ballast Resistor 10 Monitoring
Reg
8
Reset

Speed Trigger Pulse

– Gen.
Detector
+
Ramp
Control
Generator
Amp.

=
0.7 V

Current
Limiter –VCC
12 11 4 5 6 3 7 16 14 15 2 1 13
Ramp Gen. Timing
Digital Speed Sense

F/VC Pump Capacitor

Actual Speed
Set Speed

Ramp Current Gen. Control

Motor Current Limit

Closed Loop Stability

Sawtooth Capacitor

Sawtooth Set Current

Voltage Synchronization

Current Synchronization

Trigger Pulse Output

 Motorola, Inc. 1996 Rev 5

MOTOROLA ANALOG IC DEVICE DATA 1
 TDA1085C
MAXIMUM RATINGS (TA = 25°C, voltages are referenced to Pin 8, ground)
Rating Symbol Value Unit
Power Supply, when externally regulated, VPin 9 VCC 15 V
Maximum Voltage per listed pin VPin V
Pin 3 + 5.0
Pin 4–5–6–7–13–14–16 0 to + VCC
Pin 10 0 to + 17
Maximum Current per listed pin IPin mA
Pin 1 and 2 – 3.0 to + 3.0
Pin 3 – 1.0 to + 0
Pin 9 (VCC) 15
Pin 10 shunt regulator 35
Pin 12 – 1.0 to + 1.0
Pin 13 – 200
Maximum Power Dissipation PD 1.0 W
Thermal Resistance, Junction–to–Air RθJA 65 °C/W
Operating Junction Temperature TJ – 10 to + 120 °C
Storage Temperature Range Tstg – 55 to + 150 °C

ELECTRICAL CHARACTERISTICS (TA = 25°C)

Characteristic Symbol Min Typ Max Unit
VOLTAGE REGULATOR
Internally Regulated Voltage (VPin 9) VCC 15 15.3 15.6 V
(IPin 7 = 0, IPin 9 + IPin 10 = 15 mA, IPin 13 = 0)

VCC Temperature Factor TF — – 100 — ppm/°C

Current Consumption (IPin 9) ICC — 4.5 6.0 mA
(V9 = 15 V, V12 = V8 = 0, I1 = I2 = 100 µA,
all other pins not connected)
VCC Monitoring Enable Level VCC EN — VCC – 0.4 — V
VCC Monitoring Disable Level VCC DIS — VCC – 1.0 —

RAMP GENERATOR
Reference Speed Input Voltage Range VPin 5 0.08 — 13.5 V
Reference Input Bias Current – IPin 5 0 0.8 1.0 µA
Ramp Selection Input Bias Current – IPin 6 0 — 1.0 µA
Distribution Starting Level Range VDS 0 — 2.0 V
Distribution Final Level VDF/VDS 2.0 2.09 2.2
VPin 6 = 0.75 V

High Acceleration Charging Current – IPin 7 mA

VPin 7 = 0 V 1.0 — 1.7
VPin 7 = 10 V 1.0 1.2 1.4
Distribution Charging Current – IPin 7 4.0 5.0 6.0 µA
VPin 7 = 2.0 V

2 MOTOROLA ANALOG IC DEVICE DATA

 TDA1085C
ELECTRICAL CHARACTERISTICS (continued)
Characteristic Symbol Min Typ Max Unit
CURRENT LIMITER
Limiter Current Gain — IPin 7/IPin 3 Cg 130 180 250
(IPin3 = – 300 µA)

Detection Threshold Voltage VPin 3 TH 50 65 80 mV

IPin 3 = – 10 µA

FREQUENCY TO VOLTAGE CONVERTER

Input Signal “Low Voltage” V12 L –100 — — mV
Input Signal “High Voltage” V12 H +100 — — mV
Monitoring Reset Voltage V12 R 5.0 — — V
Negative Clamping Voltage – V12 CL — 0.6 — V
IPin 12 = – 200 µA

Input Bias Current – IPin12 — 25 — µA

Internal Current Source Gain G.0 9.5 — 11

G+ I
I
Pin 4 , V +
Pin 4
V
Pin 11
+0
Pin 11

Gain Linearity versus Voltage on Pin 4 G/G8.6

(G8.6 = Gain for VPin 4 = 8.6 V)
V4 = 0 V 1.04 1.05 1.06
V4 = 4.3 V 1.015 1.025 1.035
V4 = 12 V 0.965 0.975 0.985
Gain Temperature Effect (VPin 4 = 0) TF — 350 — ppm/°C
Output Leakage Current (IPin 11 = 0) – IPin 4 0 — 100 nA
CONTROL AMPLIFIER
Actual Speed Input Voltage Range VPin 4 0 — 13.5 V
Input Offset Voltage VPin 5 – VPin 4 Voff 0 — 50 mV
(IPin 16 = 0, VPin 16 = 3.0 and 8.0 V)

Amplifier Transconductance T 270 340 400 µA/V

(IPin 16/∆ (V5 – V4)
(IPin 16 = + and – 50 µA, VPin 16 = 3.0 V)
Output Current Swing Capability IPin 16 µA
Source – 200 – 100 – 50
Sink 50 100 200
Output Saturation Voltage V16 sat — — 0.8 V
TRIGGER PULSE GENERATOR
Synchronization Level Currents µA
Voltage Line Sensing IPin 2 — ± 50 ± 100
Triac Sensing IPin 1 — ± 50 ± 100
Trigger Pulse Duration (CPin 14 = 47 nF, RPin 15 = 270 kΩ) Tp — 55 — µs
Trigger Pulse Repetition Period, conditions as a.m. TR — 220 — µs
Output Pulse Current VPin 13 = VCC – 4.0 V – IPin 13 180 192 — mA
Output Leakage Current VPin 13 = – 3.0 V I13 L — — 30 µA
Full Angle Conduction Input Voltage V14 — 11.7 — V
Saw Tooth “High” Level Voltage V14 H 12 — 12.7 V
Saw Tooth Discharge Current, IPin15 = 100 µA IPin 14 95 — 105 µA

MOTOROLA ANALOG IC DEVICE DATA 3

 TDA1085C
GENERAL DESCRIPTION
The TDA 1085C triggers a triac accordingly to the speed regulation range with two acceleration ramps which allow efficient washing
requirements. Motor speed is digitally sensed by a tachogenerator machine control (Distribute function).
and then converted into an analog voltage.
Additionally, the TDA 1085C protects the whole system against AC
The speed set is externally fixed and is applied to the internal linear line stop or variations, overcurrent in the motor and tachogenerator
regulation input after having been submitted to programmable failure.
acceleration ramps. The overall result consists in a full motor speed

INPUT/OUTPUT FUNCTIONS
(Refer to Figures 1 and 8)
Voltage Regulator – (Pins 9 and 10) This is a parallel type regulator Ramp Generator – (Pins 5, 6, 7) The true Set Speed value taken in
able to sink a large amount of current and offering good consideration by the regulation is the output of the ramp generator
characteristics. Current flow is provided from AC line by external (Pin 7). With a given value of speed set input (Pin 5), the ramp
dropping resistors R1, R2, and rectifier: This half wave current is generator charges an external capacitor CPin 7 up to the moment
used to feed a smoothering capacitor, the voltage of which is VPin 5 (set speed) equals VPin 4 (true speed), see Figure 2. The IC
checked by the IC. has an internal charging current source of 1.2mA and delivers it from
0 to 12 V at Pin 7. It is the high acceleration ramp (5.0 s typical) which
When VCC is reached, the excess of current is derived by another
allows rapid motor speed changes without excessive strains on the
dropping resistor R10 and by Pin 10. These three resistors must be
mechanics. In addition, the TDA 1085C offers the possibility to break
determined in order:
this high acceleration with the introduction of a low acceleration ramp
(called Distribution) by reducing the Pin 7 source current down to
• To let 1.0 mA flow through Pin 10 when AC line is minimum and VCC 5.0 µA under Pin 6 full control, as shown by following conditions:
consumption is maximum (fast ramps and pulses present).

• To let V10 reach 3.0 V when AC line provides maximum current and
• Presence of high acceleration ramp VPin 5 > VPin 4
VCC consumption is minimum (no ramps and no pulses). • Distribution occurs in the VPin 4 range (true motor speed) defined
• All along the main line cycle, the Pin 10 dynamic range must not be
by VPin 6 x VPin 4 x 2.0 VPin 6
exceeded unless loss of regulation. For two fixed values of V Pin 5 and V Pin 6 , the motor speed will have
high acceleration, excluding the time for V Pin 4 to go from V Pin 6
An AC line supply failure would cause shut down.
to two times this value, high acceleration again, up to the moment
The double capacitive filter built with R1 and R2 gives an efficient the motor has reached the set speed value, at which it will stay,
VCC smoothing and helps to remove noise from set speeds. see Figure 3.
Speed Sensing – (Pins 4, 11, 12) The IC is compatible with an Should a reset happen (whatever the cause would be), the above
external analog speed sensing: its output must be applied to Pin 4, mentioned successive ramps will be fully reprocessed from 0 to the
and Pin 12 connected to Pin 8. maximum speed. If VPin 6 = 0, only the high acceleration ramp
occurs.
In most of the applications it is more convenient to use a digital
speed sensing with an unexpensive tachogenerator which To get a real zero speed position, Pin 5 has been designed in such a
doesn′t need any tuning. During every positive cycle at Pin 12, way that its voltage from 0 to 80 mV is interpreted as a true zero. As
the capacitor C Pin 11 is charged to almost V CC and during this a consequence, when changing the speed set position, the designer
time, Pin 4 delivers a current which is 10 times the one charging must be sure that any transient zero would not occur: if any, the entire
C Pin 11 . The current source gain is called G and is tightly circuit will be reset.
specified, but nevertheless requires an adjustment on R Pin 4 . The As the voltages applied by Pins 5 and 6 are derived from the internal
current into this resistor is proportional to C Pin 11 and to the motor voltage regulator supply and Pin 4 voltage is also derived from the
speed; being filtered by a capacitor, V Pin 4 becomes smothered same source, motor speed (which is determined by the ratios
and represents the “true actual motor speed”. between above mentioned voltages) is totally independent from VCC
To maintain linearity into the high speed range, it is important to verify variations and temperature factor.
that CPin 11 is fully charged: the internal source on Pin 11 has 100 KΩ Control Amplifier – (Pin 16) It amplifies the difference between true
impedance. Nevertheless CPin 11 has to be as high as possible as it speed (Pin 4) and set speed (Pin 5), through the ramp generator. Its
has a large influence on FV/C temperature factor. A 470 KΩ resistor output available at Pin 16 is a double sense current source with a
between Pins 11 and 9 reduces leakage currents and temperature maximum capability of ± 100 µA and a specified transconductance
factor as well, down to neglectable effects.
(340 µA/V typical). Pin 16 drives directly the trigger pulse generator,
Pin 12 also has a monitoring function: when its voltage is above and must be loaded by an electrical network which compensates the
5.0 V, the trigger pulses are inhibited and the IC is reset. It also mechanical characteristics of the motor and its load, in order to
senses the tachogenerator continuity, and in case of any circuit provide stability in any condition and shortest transient response; see
aperture, it inhibits pulse, avoiding the motor to run out of control. In Figure 4.
the TDA 1085C, Pin 12 is negatively clamped by an internal diode
This network must be adjusted experimentally.
which removes the necessity of the external one used in the former
circuit. In case of a periodic torque variations, Pin 16 directly provides the
phase angle oscillations.

4 MOTOROLA ANALOG IC DEVICE DATA

 TDA1085C
Trigger Pulse Generator – (Pins 1, 2, 5, 13, 14, 15) Pin 13 is the pulse output and an external limiting resistor is
This circuit performs four functions: mandatory. Maximum current capability is 200 mA.
Current Limiter – (Pin 3) Safe operation of the motor and triac under
• The conversion of the control amplifier DC output level to a all conditions is ensured by limiting the peak current. The motor
proportional firing angle at every main line half cycle. current develops an alternative voltage in the shunt resistor (0.05 Ω
in Figure 4). The negative half waves are transferred to Pin 3 which
• The calibration of pulse duration. is positively preset at a voltage determined by resistors R3 and R4.
•
As motor current increases, the dynamical voltage range of Pin 3
The repetition of the pulse if the triac fails to latch on if the current increases and when Pin 3 becomes slightly negative in respect to
has been interrupted by brush bounce. Pin 8, a current starts to circulate in it. This current, amplified
• The delay of firing pulse until the current crosses zero at wide firing
typically 180 times, is then used to discharge Pin 7 capacitor and, as
a result, reduces firing angle down to a value where an equilibrium is
angles and inductive loads. reached. The choice of resistors R3, R4 and shunt determines the
RPin 15 programs the Pin 14 discharging current. Saw tooth signal is magnitude of the discharge current signals on CPin 7.
then fully determined by R15 and C14 (usually 47 nF). Firing pulse Notice that the current limiter acts only on peak triac current.
duration and repetition period are in inverse ratio to the saw tooth
slope.

APPLICATION NOTES
(Refer to Figure 4)
Printed Circuit Layout Rules the integrated circuit (which occurs if VPin 12 reaches 5.5 V). It must
In the common applications, where TDA 1085C is used, there is on be also verified that the Pin 12 signal is approximately balanced
the same board, presence of high voltage, high currents as well as between “high” (over 300 mV) and “low”. An 8–poles tacho is a
low voltage signals where millivolts count. It is of first magnitude minimum for low speed stability and a 16–poles is even better.
importance to separate them from each other and to respect the
The RC pole of the tacho circuit should be chosen within 30 Hz in
following rules:
order to be as far as possible from the 150 Hz which corresponds to
the AC line 3rd harmonic generated by the motor during starting
• Capacitor decoupling pins, which are the inputs of the same procedure. In addition, a high value resistor coming from VCC
comparator, must be physically close to the IC, close to each other introduces a positive offset at Pin 12, removes noise to be interpreted
and grounded in the same point. as a tacho signal. This offset should be designed in order to let Pin 12
reach at least – 200 mV (negative voltage) at the lowest motor speed.
• Ground connection for tachogenerator must be directly connected We remember the necessity of an individual tacho ground
to Pin 8 and should ground only the tacho. In effect, the latter is a connection.
first magnitude noise generator due to its proximity to the motor
which induces high dφ/dt signals. Frequency to Voltage Converter – F V/C
CPin 11 has a recommended value of 820 pF for 8–poles tachos and
• The ground pattern must be in the “star style” in order to fully maximum motor rpm of 15000, and RPin 11 must be always 470 K.
eliminate power currents flowing in the ground network devoted to RPin 4 should be choosen to deliver within 12 V at maximum motor
capacitors decoupling sensitive Pins: 4, 5, 7, 11, 12, 14, 16. speed in order to maximize signal/noise ratio. As the FV/C ratio as
As an example, Figure 5 presents a PC board pattern which well as the CPin 11 value are dispersed, RPin 4 must be adjustable and
concerns the group of sensitive Pins and their associated capacitors should be made of a fixed resistor in serice with a trimmer
into which the a.m. rules have been implemented. Notice the full representing 25% of the total. Adjustment would become easier.
separation of “Signal World” from “Power”, one by line AB and their Once adjusted, for instance at maximum motor speed, the FV/C
communication by a unique strip. presents a residual non linearity; the conversion factor (mV per RPM)
These rules will lead to much satisfactory volume production in the increases by within 7.7% as speed draws to zero. The guaranteed
sense that speed adjustment will stay valid in the entire speed dispersion of the latter being very narrow, a maximum 1% speed
range. error is guaranteed if during Pin 5 network design the small set
values are modified, once forever, according this increase.
Power Supply
As dropping resistor dissipates noticeable power, it is necessary to The following formulas give VPin 4:
reduce the ICC needs down to a minimum. Triggering pulses, if a
certain number of repetitions are kept in reserve to cope with motor
+ G.0 @ (VCC–Va) @ CPin 11 @ R4 @ f @ 1
) R120k )
brush wearing at the end of its life, are the largest ICC user. Classical V In volts.
Pin 4
worst case configuration has to be considered to select dropping (1
resistor. In addition, the parallel regulator must be always into its Pin11
dynamic range, i.e., IPin 10 over 1.0 mA and VPin 10 over 3.0 V in any G.0 . (VCC – Va) '140
extreme configuration. The double filtering cell is mandatory. Va = 2.0 VBE
Tachogenerator Circuit 120 k = Rint, on Pin 11
The tacho signal voltage is proportional to the motor speed. Stablility Speed Set – (Pin 5) Upon designer choice, a set of external
considerations, in addition, require an RC filter, the pole of which resistors apply a series of various voltages corresponding to the
must be looked at. The combination of both elements yield a constant various motor speeds. When switching external resistors, verify that
amplitude signal on Pin 12 in most of the speed range. It is no voltage below 80 mV is ever applied to Pin 5. If so, a full circuit
recommended to verify this maximum amplitude to be within 1.0 V reset will occur.
peak in order to have the largest signal/noise ratio without resetting

MOTOROLA ANALOG IC DEVICE DATA 5

 TDA1085C
Ramps Generator – (Pin 6) If only a high acceleration ramp is Synchronization functions are performed by resistors sensing AC
needed, connect Pin 6 to ground. line and triac conduction. 820 k values are normal but could be
reduced down to 330 k in order to detect the “zeros” with accuracy
When a Distribute ramp should occur, preset a voltage on Pin 6
and to reduce the residual DC line component below 20 mA.
which corresponds to the motor speed starting ramp point.
Distribution (or low ramp) will continue up to the moment the motor Current Limitation
speed would have reached twice the starting value. The current limiter starts to discharge Pin 7 capacitor (reference
speed) as the motor current reaches the designed threshold level.
The ratio of two is imposed by the IC. Nevertheless, it could be
The loop gain is determined by the resistor connecting Pin 3 to the
externally changed downwards (Figure 6) or upwards (Figure 7).
series shunt. Experience has shown that its optimal value for a
The distribution ramp can be shortened by an external resistor from 10 Arms limitation is within 2.0 kΩ. Pin 3 input has a sensitivity in
VCC charging CPin 7, adding its current to the internal 5.0 µA current which is limited to reasonable values and should not react to
generator. spikes.
Power Circuits If not used, Pin 3 must be connected to a maximum positive voltage
Triac Triggering pulse amplitude must be determined by Pin 13 of 5.0 V rather than be left open.
resistor according to the needs in Quadrant IV. Trigger pulse duration
Loop Stability
can be disturbed by noise signals generated by the triac itself, which
The Pin 16 network is predominant and must be adjusted
interfere within Pins 14 and 16, precisely those which determine it.
experimentally during module development. The values indicated in
While easily visible, this effect is harmless.
Figure 4 are typical for washing machine applications but accept
The triac must be protected from high AC line dV/dt during external large modifications from one model to another. R16 (the sole
disturbances by 100 nF x 100 Ω network. restriction) should not go below 33 k, otherwise slew rate limitation
will cause large transient errors for load steps.
Shunt resistor must be as non–inductive as possible. It can be made
locally by using constantan alloy wire.
When the load is a DC fed universal motor through a rectifier bridge,
the triac must be protected from commutating dV/dt by a 1.0 to
2.0 mH coil in series with MT2.

Figure 2. Acceleration Ramp Figure 3. Programmable Double

Acceleration Ramp

V
Speeds
VPin 5

VPin 5 fixed set value

VPin 4
High Acceleration
Ramp
VPin 7
High Acceleration
Ramp
VDF
Low Acceleration
Ramp
VDS Distribution
t

0 0 t
VPin 6 = VDS
VDF = 2 VDS

6 MOTOROLA ANALOG IC DEVICE DATA

 100 µ 100 µ
680 1N4007

270 6.8 k

R7 R11
1500 k 470 k R15 R10 R4
Ramp
C11

Speed 820 pF
11 15 9 10 R1
1.0 µ 2
+VCC 820 k

M
Speed/Ramp 5

MOTOROLA ANALOG IC DEVICE DATA

Selector 47 k R2
Resistive 1
Network 68 k
6 TDA1085C 820 k
100
120
1.0 µ 13
C7 100n
7
470 µ 4 12 8 16 14 3
TDA1085C

1.0 µ
R3
47 µ 2.7 k
150 k
C16 C14
Figure 4. Basic Application Circuit

100n 47n
R16
50 k 68 k

Tacho Generator

22 k Shunt
50 mΩ
220n

Current limitation: 10 A adjusted by R4 experimentally Motor Speed Range: 0 to 15,000 rpm

Ramps High acceleration: 3200 rpm per second Tachogenerator 8 poles delivering 30 V peak to peak at 6000 rpm, in open circuit
Distribution ramp: 10 s from 850 to 1300 rpm FV/C Factor: 8 mV per rpm (12 V full speed) CPin 11 = 680 pF V CC = 15.3 V
Triac MAX15A–8 15 A 600 V
Speeds: Pin 5 Voltage Set:
Wash 800 rpm 609 mV Including nonlinearity corrections Igt min = 90 mA to cover Quad IV at –10°C
Distribution 1300 996 mV Including nonlinearity corrections
Spin 1: 7500 5,912 V Including nonlinearity corrections

7
Spin 2: 15,000 12,000 V Adjustment point
8
VCC
A MT2

MT1
100 nF
16 1

+VCC
270 k
15 2
47 nF 14 3
VCC 120
13 4
1.0 µF
12 5
470 k
11 6

10 7
820 pF
9 8
TDA1085C

Ground Connection
Figure 5. PC Board Layout

0.22 µF

470 µF

MOTOROLA ANALOG IC DEVICE DATA

 TDA1085C

Figure 6. Distribution Speed k < 2

For k = 1.6, R3 = 0.6 (R1 + R2),

R3 C within 4 seconds

V
VCC Spin 1 (defined by R5/R4 + R5)

R3 C 2VPin 6
Distribute 0
and Spin 1 R4 2VPin 6t ∞
Contact
R2 Pin 5

Pin 6 VPin 6
0 VPin 6t ∞

R1 R5
k<2

Figure 7. Distribution Speed k > 2

V
VCC
Spin 1

SD + S1

Pin 6 2VPin 6t ∞

2VPin 6

0
Pin 5 VPin 6t ∞
VPin 6
0
k>2
t

MOTOROLA ANALOG IC DEVICE DATA 9

10
3 4 11 12 10
8 –VCC

0.7 V
I6

25 µA

5.0 µA MONITORING
IF* 0.6 V

I7
5.7 V

+VCC
9

5.0 µA

I2
“ON” 1.2 mA 0.7 V
for Ip2 = 0 +
TDA1085C

I3 80 mV

Enable –
for Ip1 # 0 +
R1
Figure 8. Simplified Schematic

– +
1.2 mA
R1=R2

I1
R2
0.7 V I5
–VCC

13 15 14 1 2 16 6 7 5

*(P12 connected) and (VCCOK) and (VP5>80 mV)

Then
( I1 OFF), ( I2 OFF), ( I4 OFF) and ( I5 OFF)

MOTOROLA ANALOG IC DEVICE DATA

 TDA1085C

OUTLINE DIMENSIONS
PLASTIC PACKAGE
CASE 648–08
ISSUE R
NOTES:
–A– 1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
16 9 3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
B 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
1 8 5. ROUNDED CORNERS OPTIONAL.
INCHES MILLIMETERS
DIM MIN MAX MIN MAX
F C L A 0.740 0.770 18.80 19.55
B 0.250 0.270 6.35 6.85
S C 0.145 0.175 3.69 4.44
D 0.015 0.021 0.39 0.53
SEATING F 0.040 0.70 1.02 1.77
–T– PLANE G 0.100 BSC 2.54 BSC
H 0.050 BSC 1.27 BSC
H K M J 0.008 0.015 0.21 0.38
J K 0.110 0.130 2.80 3.30
G L 0.295 0.305 7.50 7.74
D 16 PL
M 0_ 10 _ 0_ 10 _
0.25 (0.010) M T A M S 0.020 0.040 0.51 1.01

D SUFFIX
PLASTIC PACKAGE
CASE 751B–05
ISSUE J
–A– (SO–16)
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
16 9 2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
–B– MOLD PROTRUSION.
P 8 PL
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
1 8
0.25 (0.010) M B S PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
G
MILLIMETERS INCHES
DIM MIN MAX MIN MAX
F A 9.80 10.00 0.386 0.393
K R X 45 _ B 3.80 4.00 0.150 0.157
C 1.35 1.75 0.054 0.068
D 0.35 0.49 0.014 0.019
C F 0.40 1.25 0.016 0.049
–T– SEATING G 1.27 BSC 0.050 BSC
PLANE
M J J 0.19 0.25 0.008 0.009
K 0.10 0.25 0.004 0.009
D 16 PL M 0_ 7_ 0_ 7_
P 5.80 6.20 0.229 0.244
0.25 (0.010) M T B S A S R 0.25 0.50 0.010 0.019

MOTOROLA ANALOG IC DEVICE DATA 11

 TDA1085C

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*TDA1085C/D*
12 ◊ MOTOROLA ANALOG IC DEVICE DATA
TDA1085C/D