OP297_15 Datasheet, PDF (7/16 Pages) Analog Devices – Dual Low Bias Current Precision Operational Amplifier

1k
1k
T_A = 25°C
V_S = ±2V TO ±15V
100
100
CURRENT
NOISE
10
VOLTAGE
10
NOISE
1
1
1
10
100
1k
FREQUENCY (Hz)
Figure 17. Voltage Noise Density and Current Noise Density vs. Frequency
10
T_A = 25°C
V_S = ±2V TO ±20V
1
10Hz
1kHz
0.1
1kHz
0.01
100
10Hz
1k
10k
100k
1M
10M
SOURCE RESISTANCE (Ω)
Figure 18. Total Noise Density vs. Source Resistance
10k
T_A = –55°C
T_A = +25°C
T_A = +125°C
1k
V_S = ±15V
V_OUT = ±10V
100
1
2
3 4 5 6 7 8 9 10
20
LOAD RESISTANCE (kΩ)
Figure 19. Open-Loop Gain vs. Load Resistance
R_L = 10kΩ
V_S = ±15V
V_CM = 0V
0
T_A = +125°C
T_A = +25°C
T_A = –55°C
OP297
–15
–10
–5
0
5
10
15
OUTPUT VOLTAGE (V)
Figure 20. Differential Input Voltage vs. Output Voltage
35
T_A = 25°C
V_S = ±15V
30 _{AVCL = +1}
1% THD
25 ^fOUT ^{= 1kHz}
20
15
10
5
0
10
100
1k
10k
LOAD RESISTANCE (Ω)
Figure 21. Output Swing vs. Load Resistance
35
T_A = 25°C
V_S = ±15V
30
A_VCL = +1
1% THD
25
f_OUT = 1kHz
R_L = 10kΩ
20
15
10
5
0
100
1k
10k
100k
FREQUENCY (Hz)
Figure 22. Maximum Output Swing vs. Frequency
Rev. G | Page 7 of 16