OPA862_V02 datasheet(9/37 Pages) TI

Part #	OPA862

Description	OPA862 High Input Impedance, Single-Ended to Differential ADC Driver

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Manufacturer	TI [Texas Instruments]

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A1 Input Common-Mode Voltage (V)

-5

-4

-3

-2

-1

0

1

2

3

4

5

-0.5

-0.4

-0.3

-0.2

-0.1

0

0.1

0.2

0.3

0.4

0.5

D037

Figure 6-13. A1 Input Offset Voltage vs Input

Common-Mode Voltage

A1 Input Common-Mode Voltage (V)

-5

-4

-3

-2

-1

0

1

2

3

4

5

0

-90

0.5

-60

1

-30

1.5

0

2

30

2.5

60

3

90

D045

VIN IB

VFB IB

IOS

Figure 6-14. A1 Input Bias Current and Input Offset

Current vs Input Common-Mode Voltage

Temperature (qC)

-40

-25

-10

5

20

35

50

65

80

95

110 125

-50

-40

-30

-20

-10

0

10

20

30

D046

32 units

Figure 6-15. A2 Input Bias Current vs Temperature

A2 Input Common-Mode Voltage (V)

-5

-4

-3

-2

-1

0

1

2

3

4

5

-80

-60

-40

-20

0

20

40

60

80

D047

Figure 6-16. A2 Input Bias Current vs Input

Common-Mode Voltage

Time (ns)

0

200

400

600

800 1000 1200 1400 1600 1800 2000

-12

-10

-8

-6

-4

-2

0

2

4

6

8

10

12

D026

VIN u 2

VOD

Figure 6-17. Input Overdrive Recovery

Time (ns)

0

200

400

600

800 1000 1200 1400 1600 1800 2000

-20

-17.5

-15

-12.5

-10

-7.5

-5

-2.5

0

2.5

5

7.5

10

12.5

15

17.5

20

D027

VIN u 4

VOD

G = –4 V/V

Figure 6-18. Output Overdrive Recovery

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OPA862

SBOS919C – AUGUST 2019 – REVISED AUGUST 2020

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