OPA4322 datasheet(8/29 Pages) TI1

Part #	OPA4322

Description	20-MHz, Low-Noise, 1.8-V, RRI/O, CMOS Operational Amplifier with Shutdown

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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1

0.8

0.6

0.4

0.2

0

0.2

0.4

0.6

0.8

1

-

-3

3

Common-ModeVoltage(V)

2

-2

-1

0

1

RepresentativeUnits

V = 2.75V

S

±

14

12

10

8

6

4

2

0

OffsetVoltage(mV)

1000

100

10

1

10

1M

Frequency(Hz)

100

1k

10k

100k

V =1.8Vto5.5V

S

6

5

4

3

2

1

0

1

2

3

4

-

0

10

Time(s)

1

2

3

8

9

7

6

5

4

60

40

20

0

20

-

10k

100M

Frequency(Hz)

100k

1M

10M

G=+1V/V

G=+10V/V

G=+100V/V

V =+1.8V

R =10k

C =50pF

S

L

W

60

40

20

0

20

-

10k

100M

Frequency(Hz)

100k

1M

10M

G=+1V/V

G=+10V/V

G=+100V/V

V =+5.5V

R =10k

C =50pF

S

L

W

OPA322, OPA322S

OPA2322, OPA2322S

OPA4322, OPA4322S

SBOS538A

– JANUARY 2011 – REVISED MAY 2011

www.ti.com

TYPICAL CHARACTERISTICS (continued)

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

OFFSET VOLTAGE PRODUCTION HISTOGRAM

OFFSET VOLTAGE vs COMMON-MODE VOLTAGE

Figure 7.

Figure 8.

INPUT VOLTAGE NOISE SPECTRAL DENSITY vs

FREQUENCY

0.1 Hz TO 10 Hz INPUT VOLTAGE NOISE

Figure 9.

Figure 10.

CLOSED-LOOP GAIN vs FREQUENCY

Figure 11.

Figure 12.

8

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