OPA342, 2342, 4342

4

SBOS106A

TYPICAL PERFORMANCE CURVES

At TA = +25°C, VS = +5V, and RL = 10kΩ connected to VS/2, unless otherwise noted.

POWER SUPPLY AND COMMON-MODE

REJECTION RATIO vs FREQUENCY

10

Frequency (Hz)

100

1k

10k

100k

100

80

60

40

20

10

+PSRR

CMRR

–PSRR

CHANNEL SEPARATION vs FREQUENCY

100

Frequency (Hz)

1k

10k

100k

1M

140

120

100

80

60

Dual and quad devices.

G = 1, all channels.

Quad measured channel

A to D or B to C—other

combinations yield improved

rejection.

VOLTAGE AND CURRENT NOISE

SPECTRAL DENSITY vs FREQUENCY

1

Frequency (Hz)

10

100

1k

10k

100k

1M

10M

10000

1000

100

10

100

10

1

0.1

V

N

I

N

TOTAL HARMONIC DISTORTION + NOISE

vs FREQUENCY

20

Frequency (Hz)

100

1k

10k

20k

1

0.1

0.010

0.001

OPEN-LOOP GAIN/PHASE vs FREQUENCY

0.1

1

0

30

60

90

120

150

180

Frequency (Hz)

10

100

1k

10k

100k

1M

10M

120

100

80

60

40

20

0

Gain

Phase

MAXIMUM OUTPUT VOLTAGE vs FREQUENCY

10k

Frequency (Hz)

100k

1M

6

5

4

3

2

1

0

V

S = +2.7V

V

S = +5.5V

V

S = +5V