OP37 Datasheet, PDF (8/16 Pages) Analog Devices – Low Noise, Precision, High Speed Operational Amplifier

OP37
60
OP37C
50
40
OP37B
30
OP37A
20
10
OP37B
0
OP37A
–10
OP37A
–20
–30
–40 TRIMMING WITH
OP37B
–50
10k⍀ POT DOES
NOT CHANGE
–60 _TCVOS
–70
OP37C
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE – ؇C
TPC 10. Offset Voltage Drift of Eight
Representative Units vs. Temperature
6
4
2
0
–2
–4
–6
6
4
2
0
–2
–4
–6
0
1234
567
TIME – MONTHS
TPC 11. Long-Term Offset Voltage
Drift of Six Representative Units
T_A = 25؇C
V_S = ؎15V
10
5
OP37C/G
OP37F
OP37A/E
1
0
1
2
3
4
5
TIME AFTER POWER ON – MINUTES
TPC 12. Warm Up Offset Voltage Drift
30
25
T_A =
20 ^25؇C
15
V_S = +15V
T_A = 70؇C
THERMAL SHOCK
RESPONSE BAND
10
5
DEVICE IMMERSED
IN 70؇C OIL BATH
0
–20
0
20 40 60 80 100
TIME – Seconds
TPC 13. Offset Voltage Change Due
to Thermal Shock
140
T_A = 25؇C
120
V_S = ؎15V
R_L 2k⍀
100
80
60
40
20
0
1 10 10² 10³ 10⁴ 10⁵ 10⁶ 10⁷ 10⁸
FREQUENCY – Hz
TPC 16. Open-Loop Gain vs. Frequency
50
V_S = +15V
40
30
OP37C
20
10 OP37B
OP37A
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE – ؇C
TPC 14. Input Bias Current vs. Temperature
80
75
70
65
60
55
30
25
20
15
10
–50 –25
90
⌽M
V_S = ؎15V ₈₅
80
75
70
GBW
65
60
55
SLEW
0 25 50 75
TEMPERATURE – ؇C
50
45
40
100 125
TPC 17. Slew Rate, Gain Bandwidth
Product, Phase Margin vs. Temperature
50
V_S = ؎15V
40
30
20
OP37C
10 _OP37B
OP37A
0
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE – ؇C
TPC 15. Input Offset Current vs.
Temperature
60
–80
T_A = 25؇C
50
V_S = ؎15V _–100
40
–120
PHASE
30
MARGIN
–140
= 71؇
20
–160
A_V = 5
10
–180
0
–200
–10
100k
1M
10M
FREQUENCY – Hz
–220
100M
TPC 18. Gain, Phase Shift vs. Frequency
–8–
REV. A