OP297 Datasheet, PDF (6/16 Pages) Analog Devices – Dual Low Bias Current Precision Operational Amplifier

8/21/97 4:00 PM
OP297–Typical Performance Characteristics
1300
1200
NO LOAD
T_A = +125°C
1100
1000
900
T_A = +25°C
T_A = –55°C
800
0
±5
±10
±15 ±20
SUPPLY VOLTAGE (VOLTS)
160
T_A = +25°C
140
V_S = ±15V
120
100
80
60
40
20
0
1 10 100
1k 10k 100k 1M
FREQUENCY (Hz)
Figure 13. Total Supply Current vs.
Supply Voltage
Figure 14. Noise Density vs.
Frequency
140
T_A = +25°C
120
V_S = ±15V
∆V_S = 10V_p-p
100
80
–PSR
60
+PSR
40
20
0.1 1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Figure 15. Open Loop Gain Linearity
100
T_A = +25°C
V_S = ±2V TO ±15V
0
CURRENT
NOISE
100
1000
100
VOLTAGE
NOISE
10
10
T_A = +25°C
V_S = ±2V TO ±20V
1
0.1
10Hz
1kHz
10
1
10
100
FREQUENCY (Hz)
1
1000
Figure 16. Common-Mode Rejection
vs. Frequency
1kHz
10Hz
0.01
10² 10³
10⁴
10⁵
10⁶ 10⁷
SOURCE RESISTANCE (Ω)
Figure 17. Total Noise Density vs.
Source Resistance
10000
T_A = –55°C
T_A = +25°C
1000
T_A = +125°C
V_S = ±15V
V_O = ±10V
100
1
23
5
10
20
LOAD RESISTANCE (kΩ)
Figure 18. Maximum Output Swing
vs. Load Resistance
R_L = 10kΩ
V_S = ±15V
V_CM = 0V
T_A = +125°C
T_A = +25°C
T_A = –55°C
–15 –10 –5 0
5
10 15
OUTPUT VOLTAGE (VOLTS)
Figure 19. Power Supply Rejection
vs. Frequency
35
T_A = +25°C
30 V_S = ±15V
A_VCL = +1
25 1%THD
fo = 1kHz
20
15
10
5
0
10
100
1k
10k
LOAD RESISTANCE (Ω)
Figure 20. Open Loop Gain vs. Load
Resistance
35
30
25
20
15
10
5
0
100
T_A = +25°C
V_S = ±15V
A_VCL = +1
1%THD
R_L = 10kΩ
1k
10k
FREQUENCY (Hz)
100k
Figure 21. Maximum Output Swing
vs. Frequency
–6–
REV. D