OP97

Rev. G | Page 8 of 16

10k

1k

100

12

5

10

20

LOAD RESISTANCE (kΩ)

VS = ±15V

VO = ±10V

–15

5

0

–5

–10

10

15

OUTPUT VOLTAGE (V)

RL = 10kΩ

VS = ±15V

VCM = 0V

TA = +125°C

TA = +25°C

TA = –55°C

TA = +125°C

TA = +25°C

TA = –55°C

Figure 14. Open-Loop Gain vs. Load Resistance

1k

100

10

1k

100

10

1

1

1

10

100

1k

FREQUENCY (Hz)

TA = 25°C

VS = ±2V TO ±20V

CURRENT NOISE

VOLTAGE NOISE

1/1 CORNER

2.5Hz

1/1 CORNER

120Hz

Figure 15. Noise Density vs. Frequency

10

1

0.1

0.01

100

1k

10k

100k

1M

10M

100M

SOURCE RESISTANCE (Ω)

TA = 25°C

VS = ±2V TO ±20V

1kHz

10Hz

RESISTOR NOISE

R

R

RS = 2R

Figure 16. Total Noise Density vs. Source Resistance

Figure 17. Open-Loop Gain Linearity

35

30

25

20

15

10

5

0

10

100

1k

10k

LOAD RESISTANCE (Ω)

TA = 25°C

VS = ±15V

AVCL = +1

1% THD

fO = 1kHz

Figure 18. Maximum Output Swing vs. Load Resistance

35

30

25

20

15

10

5

0

100

1k

10k

100k

FREQUENCY (Hz)

TA = 25°C

VS = ±15V

AVCL = +1

1% THD

RL = 10kΩ

Figure 19. Maximum Output Swing vs. Frequency