OP191/OP291/OP491

Rev. E | Page 13 of 24

FREQUENCY (Hz)

160

60

–40

80

100

120

140

–20

0

20

40

±PSRR

VS = 5V

TA = 25°C

+PSRR

–PSRR

100

1k

10M

1M

100k

10k

Figure 37. PSRR vs. Frequency, VS = 5 V

TEMPERATURE (°C)

0.6

0

125

0.3

0.1

25

0.2

–40

0.5

0.4

85

VS =5V

+SR

–SR

Figure 38. OP291 Slew Rate vs. Temperature, VS = 5 V

TEMPERATURE (°C)

0.50

0

125

0.15

0.05

25

0.10

–40

0.30

0.20

0.25

0.35

0.40

0.45

85

+SR

–SR

VS = 5V

Figure 39. OP491 Slew Rate vs. Temperature, VS = 5 V

TEMPERATURE (°C)

20

4

125

8

6

25

–40

12

10

14

16

18

85

–ISC, VS = +3V

+ISC, VS = ±5V

–ISC, VS = ±5V

+ISC, VS = +3V

Figure 40. Short-Circuit Current vs. Temperature, VS = +3 V, +5 V, ±5 V

FREQUENCY (Hz)

80

0

2500

20

10

0

40

30

50

60

70

2000

1500

1000

500

A

10kΩ

10kΩ

1kΩ

VIN = 10V p-p @ 1kHz

B

VO

VS = ±5V

Figure 41. Channel Separation, VS = ±5 V

FREQUENCY (Hz)

5.0

0

1.5

0.5

1.0

3.0

2.0

2.5

3.5

4.0

4.5

VIN = 4.8V p-p

VS = 5V

AV = +1

RL = 100kΩ

1M

100

1k

10k

100k

Figure 42. Maximum Output Swing vs. Frequency, VS = 5 V