OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B – FEBRUARY 1989 – REVISED AUGUST 1994
†
TYPICAL CHARACTERISTICS
INPUT OFFSET VOLTAGE OF
REPRESENTATIVE INDIVIDUAL UNITS
vs
WARM-UP CHANGE IN
INPUT OFFSET VOLTAGE
vs
FREE-AIR TEMPERATURE
ELAPSED TIME
100
80
V
CC±
= ±15 V
V
T
A
= ±15 V
CC±
= 25°C
OP27C/37C
OP27A/37A
60
10
OP27CP/GP
OP37CP/GP
OP27A/37A
40
20
0
OP27E/37E
– 20
– 40
– 60
– 80
– 100
5
OP27G/37G
OP27AP/EP
OP37AP/EP
OP27C/37C
0
– 50 – 25
0
25
50
75
100
125
1
2
3
4
5
T
A
– Free-Air Temperature – °C
Time After Power On – minutes
Figure 1
Figure 2
LONG-TERM DRIFT OF INPUT OFFSET VOLTAGE OF
REPRESENTATIVE INDIVIDUAL UNITS
6
0.2-µV/mo Trend Line
4
2
0
– 2
– 4
0.2-µV/mo Trend Line
– 6
0
1
2
3
4
5
6
7
8
Time – months
Figure 3
†
Data for temperatures below – 25°C and above 85°C are applicable to the OP27A, OP27C, OP37A, and OP37C only.
2–8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443
TI [ TEXAS INSTRUMENTS ]
