OP27A, OP27C, OP27E, OP27G

OP37A, OP37C, OP37E, OP37G

LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS

SLOS100B – FEBRUARY 1989 – REVISED AUGUST 1994

2–8

POST OFFICE BOX 655303

POST OFFICE BOX 1443

100

80

60

40

20

0

– 20

– 40

– 60

– 80

– 100

– 50

– 25

0

25

50

75

100

125

TA – Free-Air Temperature – °C

INPUT OFFSET VOLTAGE OF

REPRESENTATIVE INDIVIDUAL UNITS

vs

FREE-AIR TEMPERATURE

VCC

± = ±15 V

10

5

0

WARM-UP CHANGE IN

INPUT OFFSET VOLTAGE

vs

ELAPSED TIME

12345

Time After Power On – minutes

VCC

± = ±15 V

TA = 25°C

OP27CP/GP

OP37CP/GP

OP27C/37C

OP27A/37A

OP27A/37A

OP27E/37E

OP27C/37C

OP27G/37G

OP27AP/EP

OP37AP/EP

Figure 1

Figure 2

LONG-TERM DRIFT OF INPUT OFFSET VOLTAGE OF

REPRESENTATIVE INDIVIDUAL UNITS

6

2

4

0

– 2

– 4

– 6

012345678

Time – months

0.2-

µV/mo Trend Line

0.2-

µV/mo Trend Line

Figure 3

† Data for temperatures below – 25

°C and above 85°C are applicable to the OP27A, OP27C, OP37A, and OP37C only.