OP497 Datasheet, PDF (5/12 Pages) Analog Devices – Precision Picoampere Input Current Quad Operational Amplifier

1000
T_A = 25؇C
V_S = 2V TO 20V
100
CURRENT NOISE
VOLTAGE NOISE
10
1
1
10
100
1000
FREQUENCY – Hz
TPC 10. Voltage Noise Density
vs. Frequency
10
T_A = 25؇C
V_S = ؎2V TO ؎20V
1
0.1
10Hz
1kHz
0.01
10²
10³
10⁴
10⁵
10⁶
10⁷
SOURCE RESISTANCE – ⍀
TPC 11. Total Noise Density vs.
Source Resistance
5mV
100
90
OP497
1s
10
0%
V_S = 15V
T_A = 25؇C
0
2
4
6
8
10
TIME – Secs
TPC 12. 0.1 Hz to 10 Hz Noise Voltage
100
80
GAIN
60
PHASE
40
V_S = ؎15V
C_L = 30pF
R_L = 1M⍀
T_A = 25؇C
90
20
135
0
180
–20
225
–40
100
1k
10k 100k 1M 10M
FREQUENCY – Hz
TPC 13. Open-Loop Gain,
Phase vs. Frequency
10000
1000
T_A = –55؇C
T_A = +25C
T_A = +125؇C
V_S = ؎15V
V_O = ؎10V
100
1
10
20
LOAD RESISTANCE – k⍀
TPC 14. Open-Loop Gain vs.
Load Resistance
R_L = 2k⍀
V_S = ؎15V
V_CN = ؎10V
T_A= +125؇C
T_A= +25؇C
T_A= –55؇C
–15 –10 –5
0
5
10 15
OUTPUT VOLTAGE – V
TPC 15. Open-Loop Gain Linearity
160
V_S = ؎15V
140
T_A= 25؇C
120
100
80
60
40
20
0
1
10 100 1k 10k 100k 1M
FREQUENCY – Hz
TPC 16. Common-Mode
Rejection vs. Frequency
160
V_S = ؎15V
140
T_A = 25؇C
120
–PSR
100
+PSR
80
60
40
20
0
1
10 100 1k 10k 100k 1M
FREQUENCY – Hz
TPC 17. Power Supply
Rejection vs. Frequency
35
V_S= ؎15V
30
T_A= 25؇C
A_VCL= +1
1%THD
25
R_L = 10k⍀
20
15
10
5
0
100
1k
10k
100k
FREQUENCY – Hz
TPC 18. Maximum Output
Swing vs. Frequency
REV. D
–5–