Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Op-amp LM 747 DIL Multi-purpose PDIP 14

uA747C, uA747M

DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS

SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

• 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

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

operation over the full military temperature range

of –55

°C to 125°C.

symbol (each amplifier)

IN+

IN–

OUT

OFFSET N1 OFFSET N2

–

AVAILABLE OPTIONS

PACKAGE

Max

14-PIN 20-PIN

Max

AT 25°C

SMALL OUTLINE

(D)

CERAMIC DIP

(J)

PLASTIC DIP

(N)

FLAT PACK

(W)

CHIP CARRIER

(FK)

0°C

70°C

6 mV uA747CD — uA747CN — —

–55°C

125°C

5 mV — uA747MJ — uA747MW uA747MFK

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

IN –

IN +

OFFSET 1N2

CC –

OFFSET 2N2

IN +

IN –

OFFSET 1N1

1 V

CC +

†

OUT

2 V

†

OFFSET 2N1

D, J, N, OR W PACKAGE

(TOP VIEW)

3 2 1 20 19

910111213

OUT

OFFSET 1N2

CC –

OFFSET 2N2

uA747m ...FK PACKAGE

(TOP VIEW)

IN +

IN –

OFFSET 1N1

IN +

IN –

NC – No internal connection

OFFSET 2N1

CC+

1 V

†

CC+

2 V

†

The two positive supply terminals (1 V

CC +

and 2 V

CC +

) are

connected together internally.

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.

Summary of content (8 pages)

PAGE 1
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 D, J, N, OR W PACKAGE (TOP VIEW) IN – IN + OFFSET 1N2 VCC – OFFSET 2N2 IN + IN – description OFFSET 1N2 NC VCC – NC OFFSET 2N2 3 12 4 11
PAGE 2
uA747C, uA747M DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990 schematic (each amplifier) VCC + IN – OUT IN + OFFSET N2 OFFSET N1 VCC – absolute maximum ratings over operating free-air temperature range (unless otherwise noted) uA747M UNIT Supply voltage, VCC + (see Note 1) uA747C 18 22 V Supply voltage, VCC – (see Note 1) – 18 – 22 V Differential input voltage (see Note 2) ± 30 ± 30 V Input voltage any input (see Notes 1 and 3) ± 15 ±
PAGE 3
uA747C, uA747M DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990 electrical characteristics at specified free-air temperature, VCC ± = ±15 V PARAMETER VIO Input offset voltage ∆VIO(adj) Offset voltage adjust range IIO Input offset current IIB Input bias current VICR VO(PP) AVD TA‡ TEST CONDITIONS† uA747C MIN TYP 25°C VO = 0 1 Full range 25°C ±15 25°C 20 25°C 80 25°C ±12 ±12 RL= 10 kΩ 25°C 24 Maximum peak-to-peak RL ≥ 10 kΩ Full
PAGE 4
uA747C, uA747M DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990 PARAMETER MEASUREMENT INFORMATION VI Ï – + Input 0V INPUT VOLTAGE WAVEFORM RL = 2 kΩ CL = 100 pF TEST CIRCUIT Figure 1. Rise Time, Overshoot, and Slew Rate APPLICATION INFORMATION IN – – IN + + OUT OFFSET N2 OFFSET N1 10 kΩ To VCC – Figure 2.
PAGE 5
uA747C, uA747M DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990 TYPICAL CHARACTERISTICS† INPUT OFFSET CURRENT vs FREE-AIR TEMPERATURE 100 VCC ± = ± 15 V IIIO IO – Input Offset Current – nA 90 80 70 60 uA747C 50 40 30 20 10 0 – 60 – 40 – 20 0 20 40 60 80 100 120 140 TA – Free-Air Temperature – C Figure 3 INPUT BIAS CURRENT vs FREE-AIR TEMPERATURE 400 VCC ± = ± 15 V IIB I IB– Input Bias Current – nA 350 300 250 uA747C 200 150 100 50 0 – 60 – 40 – 20 0 2
PAGE 6
uA747C, uA747M DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990 TYPICAL CHARACTERISTICS MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE vs FREQUENCY VCC VCC – Maximum Peak-to-Peak Output Voltage – V 28 VCC ± = ± 15 V TA = 25°C 26 24 22 20 18 16 14 ÁÁ ÁÁ ÁÁ 12 10 8 0.1 0.2 0.4 0.
PAGE 7
uA747C, uA747M DUAL GENERAL-PURPOSE OPERATIONAL AMPLIFIERS SLOS009A – D971, FEBRUARY 1971 – REVISED OCTOBER 1990 TYPICAL CHARACTERISTICS COMMON-MODE REJECTION RATIO vs FREQUENCY OUTPUT VOLTAGE vs ELAPSED TIME 28 VCC ± = ± 15 V RS = 50 Ω TA = 25°C 90 24 VO VO – Output Voltage – mV 80 70 60 50 ÁÁ ÁÁ 40 30 20 20 90% 16 12 VCC ± = ± 15 V RL = 2 kΩ CL = 100 pF TA = 25°C 8 4 10% ÎÎ 0 10 0 1 10 100 1 k 10 k 100 k 1 M f – Frequency – Hz –4 10 M 100 M ÎÎÎÎÎ tr 0 0.5 Figure 9 1 1.
PAGE 8
IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete.