OP297

Rev. G | Page 7 of 16

FREQUENCY (Hz)

1k

1

11

10

10

1

100

100

1k

10

100

k

CURRENT

NOISE

VOLTAGE

NOISE

TA = 25°C

VS = ±2V TO ±15V

Figure 17. Voltage Noise Density and Current Noise Density vs. Frequency

SOURCE RESISTANCE (Ω)

10

0.01

10M

1

1M

100k

10k

1k

100

0.1

10Hz

1kHz

TA = 25°C

VS = ±2V TO ±20V

1kHz

10Hz

Figure 18. Total Noise Density vs. Source Resistance

LOAD RESISTANCE (kΩ)

10k

100

1

1k

4

3

2

510

20

VS = ±15V

VOUT = ±10V

TA = –55°C

TA = +25°C

TA = +125°C

8

7

6

59

Figure 19. Open-Loop Gain vs. Load Resistance

OUTPUT VOLTAGE (V)

0

–15

RL = 10kΩ

VS = ±15V

VCM = 0V

–10

–5

0

5

10

15

TA = –55°C

TA = +25°C

TA = +125°C

Figure 20. Differential Input Voltage vs. Output Voltage

LOAD RESISTANCE (Ω)

0

5

10

15

20

25

30

35

10

100

1k

10k

TA = 25°C

VS = ±15V

AVCL = +1

1% THD

fOUT = 1kHz

Figure 21. Output Swing vs. Load Resistance

FREQUENCY (Hz)

0

5

10

15

20

25

30

35

100

1k

10k

100k

TA = 25°C

VS = ±15V

AVCL = +1

1% THD

fOUT = 1kHz

RL = 10kΩ

Figure 22. Maximum Output Swing vs. Frequency