OP227_15 Datasheet, PDF (9/16 Pages) Analog Devices – Dual, Low Noise, Low Offset Instrumentation Operational Amplifier

16
12
8
T_A = +25؇C
T_A = –55؇C
T_A = +125؇C
4
0
–4
T_A = –55؇C
–8
T_A = +125؇C
–12
T_A = +25؇C
–16
0
؎5
؎10
؎15
؎20
SUPPLY VOLTAGE – V
TPC 27. Common-Mode Input Range
vs. Supply Voltage
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
100
T_A = 25؇C
V_S = ؎15V
1k
10k
LOAD RESISTANCE – ⍀
100k
TPC 28. Open-Loop Voltage Gain vs.
Load Resistance
OP227
140
120
⌬ PSRR (–)
100
80 ^{PSRR (+)}
PSRR (–)
60
⌬ PSRR (+)
40
20
1
10 100 1k 10k 100k 1M
FREQUENCY – Hz
TPC 29. PSRR and ⌬PSRR vs.
Frequency
100
80
60
40
20
0
–20
–40
–60
–80
–100
–120
–75–55–35–15 5 25 45 65 85 105125145165
TEMPERATURE – ؇C
TPC 30. Matching Characteristic:
Drift of Offset Voltage Match of
Representative Units
40
50
30
40
20
30
10
20
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE – ؇C
TPC 31. Matching Characteristic:
Average Noninverting Bias Current
vs. Temperature
10
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE – ؇C
TPC 32. Matching Characteristic:
Average Offset Current vs. Temper-
ature (Inverting or Noninverting)
125
120
115
110
105
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE – ؇C
TPC 33. Matching Characteristic:
CMRR Match vs. Temperature
180
140
120
100
80
60
100
1k
10k 100k 1M 10M
FREQUENCY – Hz
TPC 34. Channel Separation vs.
Frequency
REV. A
–9–