TEXAS INSTRUMENTS uA747C, uA747M Technical data

V

Max

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uA747C, uA747M

DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS

SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990

• No Frequency Compensation Required

• Low Power Consumption

• Short-Circuit Protection

• Offset-Voltage Null Capability

• Wide Common-Mode and Differential

Voltage Ranges

• No Latch-Up

• Designed to Be Interchangeable With

Fairchild µA747C and µA747M

description

The uA747 is a dual general-purpose operational
amplifier featuring offset-voltage null capability.
Each half is electrically similar to uA741.

The high common-mode input voltage range and
the absence of latch-up make this amplifier ideal
for voltage-follower applications. The device is
short-circuit protected and the internal frequency
compensation ensures stability without external
components. A low-value potentiometer may be
connected between the offset null inputs to null out
the offset voltage as shown in Figure 2.

The uA747C is characterized for operation from
0

°C to 70°C; the uA747M is characterized for

operation over the full military temperature range
of –55

°C to 125°C.

OFFSET 1N2

OFFSET 2N2

OFFSET 1N2

NC

V

CC –

NC

OFFSET 2N2

D, J, N, OR W PACKAGE

(TOP VIEW)

IN –

1

IN +

2
3

V

uA747m ...FK PACKAGE

CC –

IN +
IN –

4
5
6
7

(TOP VIEW)

OFFSET 1N1

14

1 V

13

OUT

12

NC

11

OUT

10

2 V

9

OFFSET 2N1

8

†

CC+

IN +

IN –NCOFFSET 1N1

3 2 1 20 19

4
5
6
7
8

910111213

1 V

18
17
16
15
14

†

NC

IN –

IN +

CC+

2 V

CC +

CC +

OUT
NC
NC
NC
OUT

†

†

symbol (each amplifier)

IN+

IN–

OFFSET N1 OFFSET N2

T

A

0°C

to

70°C

–55°C

to

125°C

The D package is available taped and reeled. Add the suffix R to the device type, (i.e., uA747CDR).

PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.

+

–

IO

AT 25°C

6 mV uA747CD — uA747CN — —

5 mV — uA747MJ — uA747MW uA747MFK

SMALL OUTLINE

(D)

OUT

NC – No internal connection

†

The two positive supply terminals (1 V
connected together internally.

AVAILABLE OPTIONS

PACKAGE

14-PIN 20-PIN

CERAMIC DIP

(J)

PLASTIC DIP

(N)

OFFSET 2N1

and 2 V

CC +

FLAT PACK

(W)

Copyright  1990, Texas Instruments Incorporated

CHIP CARRIER

(FK)

CC +

) are

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

1

uA747C, uA747M
DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS

SLOS009A – D971, FEBRUAR Y 1971 – REVISED OCT OBER 1990

schematic (each amplifier)

IN –

V

CC+

IN +

OFFSET N2

OFFSET N1

OUT

V

CC–

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

uA747C uA747M UNIT

Supply voltage, V
Supply voltage, V
Differential input voltage (see Note 2) ±30 ±30 V
Input voltage any input (see Notes 1 and 3) ±15 ±15 V
Voltage between any offset null terminal (N1/N2) and V
Duration of output short circuit (see Note 4) unlimited unlimited
Continuous total dissipation See Dissipation Rating Table
Operating free-air temperature range 0 to 70 –55 to 125 °C
Storage temperature range –65 to 150 –65 to 150 °C
Case temperature for 60 seconds FK package 260 °C
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds J or W package 300 °C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds D or N package 260 °C

NOTES: 1. All voltage values, unless otherwise noted, are with respect to the midpoint between V

2. Differential voltages are at the noninverting input terminal with respect to the inverting input terminal.

3. The magnitude of the input voltage must never exceed the magnitude of the supply voltage or 15 V, whichever is less.

4. The output may be shorted to ground or either power supply . For the uA747M only, the unlimited duration of the short circuit applies
at (or below) 125°C case temperature or 75°C free-air temperature.

(see Note 1) 18 22 V

CC+

(see Note 1) –18 –22 V

CC–

CC–

±0.5 ±0.5 V

CC +

and V

CC –

.

DISSIPATION RATING TABLE

PACKAGE

D 800 mW 7.6 mW/°C 45°C 608 mW —

FK 800 mW 11.0 mW/°C77°C 800 mW 275 mW

J 800 mW 11.0 mW/°C77°C 800 mW 275 mW

N 800 mW 9.2 mW/°C63°C 736 mW —

W 800 mW 8.0 mW/°C 50°C 640 mW 200 mW

2

TA ≤ 25°C

POWER RATING

DERATING

FACTOR

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

DERATE

ABOVE T

A

TA = 70°C

POWER RATING

TA = 125°C

POWER RATING

uA747C, uA747M

PARAMETER

TEST CONDITIONS

†

T

‡

UNIT

VIOInput offset voltage

V

0

mV

IIOInput offset current

nA

IIBInput bias current

nA

V

V

V

V

A

V/mV

CMRR

V

V

dB

k

sensitivity

V

± 9 V to ± 15 V

V/V

I

y

No load

mA

P

No load

V

0

mW

V

20 mV

R

2 kΩ

C

100 pF, See Figure 1

DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS

SLOS009A – D971, FEBRUAR Y 1971 – REVISED OCT OBER 1990

electrical characteristics at specified free-air temperature, V

A

p

∆V

IO(adj)

ICR

O(PP)

VD

r

i

r

o

C

i

SVS

I

OS

CC

D

Vo1/V

†

All characteristics are measured under open-loop conditions with zero common-mode input voltage unless otherwise specified.

‡

Full range for uA747C is 0°C to 70°C and for uA747M is –55°C to 125°C.
*On products compliant to MIL-STD-883, Class B, this parameter is not production tested.
NOTE 5: This typical value applies only at frequencies above a few hundred hertz because of the effects of drift and thermal feedback.

Offset voltage
adjust range

p

p

Common-mode 25°C ±12 ±13 ±12 ±13
input voltage range Full range ±12 ±12

Maximum peak-to-peak RL ≥ 10 kΩ Full range 24 24
output voltage swing RL= 2 kΩ 25°C 20 26 20 26

Large-signal differential RL ≥ 2 kΩ, 25°C 25 200 50 200
voltage amplification VO = ± 10 V Full range 15 25
Input resistance 25°C 0.3 2 0.3* 2 MΩ
Output resistance See Note 5 25°C 75 75 Ω
Input capacitance 25°C 1.4 1.4 pF
Common-mode

rejection ratio
Supply-voltage

(∆VIO/ ∆VCC)
Short-circuit

output current
Supply current

(each amplifier)
Power dissipation

(each amplifier)
Channel separation 25°C 120 120 0 dB

o2

=

O

RL= 10 kΩ 25°C 24 28 24 28

RL ≥ 2 kΩ Full range 20 20

=

IC

ICR

=

CC

,

=

O

25°C 1 6 1 5

Full range 7.5 6

25°C ±15 ±15 mV
25°C 20 200 20 200

Full range 300 500

25°C 80 500 80 500

Full range 800 1500

25°C 70 90 70 90

Full range 70 70

25°C

Full range

25°C ±25 ±40 ±25 ±40 mA
25°C 1.7 2.8 1.7 2.8

Full range 3.3 3.3

25°C 50 85 50 85

Full range 100 100

MIN TYP MAX MIN TYP MAX

= ±15 V

CC±

uA747C uA747M

30 150 30 150

150 150

µ

operating characteristics, V

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

t

Rise time

r

Overshoot factor

SR Slew rate at unity gain VI = 10 mV, RL = 2 kΩ, CL = 100 pF, See Figure 1 0.5 V/µs

= ± 15 V, TA = 25°C

CC ±

=

I

,

=

L

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

,

p

=

L

0.3 µs
5%

3