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OP297_06 Datasheet, PDF (7/16 Pages) Analog Devices – Dual Low Bias Current Precision Operational Amplifier
◁
1000
TA = 25°C
VS = ±2V TO ±15V
100
CURRENT
NOISE
10
VOLTAGE
NOISE
1000
100
10
1
1
1
10
100
1000
FREQUENCY (Hz)
Figure 17. Voltage Noise Density and Current Noise Density vs. Frequency
10
TA = 25°C
VS = ±2V TO ±20V
1
10Hz
1kHz
0.1
1kHz
0.01
102
10Hz
103
104
105
106
107
SOURCE RESISTANCE (Ω)
Figure 18. Total Noise Density vs. Source Resistance
10000
TA = +25°C
TA = –55°C
VS = ±15V
VO = ±10V
1000
TA = +125°C
100 1
2
3 4 5 6 7 8 9 10
20
LOAD RESISTANCE (kΩ)
Figure 19. Open-Loop Gain vs. Load Resistance
RL = 10kΩ
VS = ±15V
VCM = 0V
0
TA = +125°C
TA = +25°C
TA = –55°C
OP297
–15
–10
–5
0
5
10
15
OUTPUT VOLTAGE (V)
Figure 20. Differential Input Voltage vs. Output Voltage
35
TA = 25°C
30 VS = ±15V
AVCL = +1
1% THD
25 fO = 1kHz
20
15
10
5
0
10
35
30
25
20
100
1k
10k
LOAD RESISTANCE (Ω)
Figure 21. Output Swing vs. Load Resistance
TA = 25°C
VS = ±15V
AVCL = +1
1% THD
fO = 1kHz
RL = 10kΩ
15
10
5
0
100
1k
10k
100k
FREQUENCY (Hz)
Figure 22. Maximum Output Swing vs. Frequency
Rev. F | Page 7 of 16
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