OPA2320SAIDGST datasheet(8/37 Pages) NSC

Part #	OPA2320SAIDGST

Description	Precision, 20MHz, 0.9pA, Low-Noise, RRIO, CMOS Operational Amplifier with Shutdown

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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140

120

100

80

60

40

20

0

100

10M

Frequency(Hz)

1k

10k

100k

1M

CMRR

PSRR

130

125

120

115

110

105

100

95

90

-50

150

Temperature( C)

°

-25

0

25

125

PSRR

CMRR

100

75

50

V =1.8Vto5.5V

S

40

35

30

25

20

15

10

5

0

InputBiasCurrent(pA)

1300

1200

1100

1000

900

800

700

600

500

400

300

200

100

0

100

-

-50

150

Temperature( C)

°

-25

25

50

0

75

100

125

I

OS

I

B+

I

B-

I

OS

I

B

1

0.8

0.6

0.4

0.2

0

0.2

0.4

0.6

0.8

1

-

0.9

2.9

SupplyVoltage( V)

±

1.1

1.3

1.5

1.7

2.5

I

B-

I

B+

2.3

2.1

1.9

2.7

6

5

4

3

2

1

0

1

2

3

4

5

6

-

-3

3

Common-ModeVoltage(V)

-2.5

-2

-1.5

-1

1

0.5

0

-0.5

1.5

I

B+

I

B-

I

OS

2

2.5

OPA320, OPA2320

OPA320S, OPA2320S

SBOS513E – AUGUST 2010 – REVISED JUNE 2013

www.ti.com

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, VCM = VOUT = mid-supply, and RL = 10kΩ, unless otherwise noted.

INPUT BIAS CURRENT vs SUPPLY VOLTAGE

INPUT BIAS CURRENT vs COMMON-MODE VOLTAGE

Figure 7.

Figure 8.

INPUT BIAS CURRENT DISTRIBUTION

INPUT BIAS CURRENT vs TEMPERATURE

Figure 9.

Figure 10.

CMRR AND PSRR vs FREQUENCY

CMRR AND PSRR vs TEMPERATURE

Figure 11.

Figure 12.

8

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