OPA188AIDGKT datasheet(11/33 Pages) TI

Part #	OPA188AIDGKT

Description	Precision, Low-Noise, Rail-to-Rail Output,36-V, Zero-Drift Operational Amplifiers

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Manufacturer	TI [Texas Instruments]

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100

10

1

0.1

10

100

1k

10k

100k

Frequency(Hz)

1

0.01

0.001

0.0001

0.00001

10

100

1k

10k

20k

Frequency (Hz)

V

= 1 V

BW = 80 kHz

OUT

RMS

G = +1, R = 10 kW

L

G = 1, R = 10 k

-

W

L

-80

-100

-120

-140

1

0.8

0.6

0.4

0.2

0

0.2

0.4

0.6

0.8

1

-

-55

-35

-15

5

25

125

Temperature ( C)

°

45

105

85

65

5 Typical Units Shown

V

= 2 V to 18 V

SUPPLY

±

Time (1s/div)

C016

+3*sigma

-3*sigma

3*Sigma Noise = 172nV

PP

Peak-to-Peak Noise = V

RMS*6.6 = 250nV

40

35

30

25

20

15

10

5

0

-55

-35

-15

5

25

125

Temperature ( C)

°

45

105

85

65

(V ) < V

< (V+)

1.5 V

-

CM

-

(V ) + 0.5 V < V

< (V+)

1.5 V

-

CM

V

= 2 V

SUPPLY

±

8

7

6

5

4

3

2

1

0

-55

-35

-15

5

25

125

Temperature ( C)

°

45

105

85

65

(V ) < V

< (V+)

1.5 V

-

CM

-

(V ) + 0.5 V < V

< (V+)

1.5 V

-

CM

V

= 18 V

SUPPLY

±

OPA188

www.ti.com

SBOS642A – MARCH 2013 – REVISED MARCH 2013

TYPICAL CHARACTERISTICS (continued)

VS = ±18 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 100 pF, unless otherwise noted.

Figure 14. CMRR vs TEMPERATURE

Figure 15. CMRR vs TEMPERATURE

Figure 16. PSRR vs TEMPERATURE

Figure 17. 0.1-Hz TO 10-Hz NOISE

Figure 18. INPUT VOLTAGE NOISE SPECTRAL DENSITY vs

Figure 19. THD+N RATIO vs FREQUENCY

FREQUENCY

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OPA188AIDGKT Datasheet(PDF) 11 Page - Texas Instruments

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