OP27A Datasheet, PDF (8/21 Pages) Texas Instruments – LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS

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
FREE-AIR TEMPERATURE
100
VCC _± = ± 15 V
80
OP27C/37C
60
40
OP27A/37A
OP27A/37A
20
0
OP27E/37E
– 20
WARM-UP CHANGE IN
INPUT OFFSET VOLTAGE
vs
ELAPSED TIME
VCC _± = ± 15 V
TA = 25°C
10
OP27CP/GP
OP37CP/GP
5
– 40
OP27G/37G
– 60
OP27C/37C
OP27AP/EP
OP37AP/EP
– 80
– 100
– 50 – 25 0
25 50 75 100 125
TA – Free-Air Temperature – °C
Figure 1
0
1
2
3
4
5
Time After Power On – minutes
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
012345678
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
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