OP227 Datasheet, PDF (7/16 Pages) Analog Devices – Dual, Low Noise, Low Offset Instrumentation Operational Amplifier

10
9
8
T_A = +25؇C
7
6 ^{TA = +125؇C}
5
4
T_A = –55؇C
3
2
5 10 15 20 25 30 35 40 45
TOTAL SUPPLY VOLTAGE – V
TPC 9. Supply Current vs. Supply
Voltage
120
100
80
60
40
20
0
–20
–40
–60
–80
–100
–75–55–35–15 5 25 45 65 85 105125145165
TEMPERATURE – ؇C
TPC 10. Offset Voltage Drift of
Representative Units
OP227
5
4
0.2␮V/MO.
3
2
0.2␮V/MO.
1
0
–1
–2
0.2␮V/MO.
–3
–4
–5
0 1 2 3 4 5 6 7 8 9 10 11 12
TIME – MONTHS
TPC 11. Offset Voltage Stability
with Time
T_A = 25؇C
V_{S = ؎15V}
10
5
OP227G
0
0
1
2
3
4
5
TIME AFTER POWER ON – MINUTES
TPC 12. Warm-Up Drift
30
25
20 ^{TA = 25؇C TA = 70؇C}
V_S = ؎15V
15
10
5
0
–20 0
THERMAL
SHOCK
RESPONSE
BAND
DEVICE IMMERSED
IN 70؇ C OIL BATH
20 40 60
TIME – Sec
80 100
TPC 13. Offset Voltage Change Due to
Thermal Shock
50
V_S = ؎15V
40
30
20
10
0
–50 –25 0 25 50 75 100 125 150
TEMPERATURE – ؇C
TPC 14. Input Bias Current vs.
Temperature
50
V_S = ؎15V
40
30
20
10
0
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE – ؇C
TPC 15. Input Offset Current vs.
Temperature
130
110
90
70
50
30
10
–10
1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY – Hz
TPC 16. Open-Loop Gain vs. Frequency
70
⌽M
60
GBW
50_Ï·
4
10
V_S = ؎15V
9
8
3
7
SLEW
2
–75 –50 –25 0 25 50 75
TEMERATURE – ؇C
8
100 125
TPC 17. Slew Rate, Gain Bandwidth
Product, Phase Margin vs. Temperature
REV. A
–7–