OP97

Rev. G | Page 9 of 16

80

60

40

20

0

–20

90

135

180

225

–40

–60

10M

100

1k

10k

100k

1M

FREQUENCY (Hz)

80

60

40

20

0

–20

90

135

180

225

–40

–60

10M

100

1k

10k

100k

1M

FREQUENCY (Hz)

GAIN

PHASE

TA = +125°C

TA = –55°C

VS = ±15V

CL = 20pF

RL = 1MΩ

TA = +125°C

TA = –55°C

PHASE

TA = –55°C

TA = +125°C

GAIN

TA = +125°C

TA = –55°C

VS = ±15V

CL = 20pF

RL = 1MΩ

Figure 20. Open-Loop Gain, Phase vs. Frequency (COC = 0 pF)

10

1

0.1

0.01

0.001

0.0001

10

100

1k

10k

FREQUENCY (Ω)

AVCL = 100

AVCL = 10

AVCL = 1

TA = 25°C

VS = ±15V

RL = 10kΩ

1% THD

VOUT = 3V rms

Figure 21. Total Harmonic Distortion Plus Noise vs. Frequency

70

60

50

40

30

20

Figure 23. Open-Loop Gain, Phase vs. Frequency (COC = 100 pF)

1

0.1

0.01

0.001

1

10

100

1k

10k

OVERCOMPENSATION CAPACITOR (pF)

RL = 10kΩ

VS = ±15V

CL = 100pF

TA = +125°C

TA = –55°C

Figure 24. Slew Rate vs. Overcompensation

1000

100

10

1

1

10

100

1k

10k

OVERCOMPENSATION CAPACITOR (pF)

10

0

10

100

1k

10k

LOAD CAPACITANCE (pF)

TA = 25°C

VS = ±15V

AVCL = +1

VOUT = 100mV p-p

COC = 0pF

+EDGE

–EDGE

Figure 22. Small Signal Overshoot vs. Capacitive Load

TA = +125°C

TA = –55°C

VS = ±15V

CL = 20pF

RL = 1MΩ

A = 100

V

Figure 25. Gain Bandwidth Product vs. Overcompensation