–75

–50

–25

0

25

50

75

100

125

160

150

140

130

120

110

100

Temperature ( °C)

CMR

A

OL

PSR

125

Temperature ( °C)

–75

–50

–25

0

25

50

75

100

5

4

3

2

1

0

–1

–2

–3

–4

–5

Curves represent typical

production units.

Offset Voltage (µV/°C)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

35

30

25

20

15

10

5

0

Typical distribution

of packaged units.

Single, dual, and

quad included.

Offset Voltage (µV)

– 50– 45– 40– 35– 30– 25– 20– 15– 10 – 5 0 5 10 15 20 25 30 35 40 45 50

16

14

12

10

8

6

4

2

0

Typical distribution

of packaged units.

Single, dual, and

quad included.

10

100

1k

10k

100k

1

0.1

0.01

0.001

Frequency (Hz)

G = 10, R

G = 1, R

10

100

1k

10k

100k

Frequency (Hz)

1M

140

120

100

80

60

40

Dual and quad devices. G = 1,

all channels. Quad measured

channel A to D or B to C —other

combinations yield similar or

improved rejection.

OPA4277-EP

www.ti.com

SBOS714 – NOVEMBER 2014

Typical Characteristics (continued)

Figure 5. Channel Separation vs Frequency

Figure 6. Total Harmonic Distortion + Noise vs Frequency

Figure 7. Offset Voltage Production Distribution

Figure 8. Offset Voltage Drift Production Distribution

Figure 10. Input Bias Current vs Temperature

Copyright © 2014, Texas Instruments Incorporated

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