OPA682 datasheet(8/22 Pages) TI1

Part #	OPA682

Description	Dual Wideband, Current Feedback OPERATIONAL AMPLIFIER

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Manufacturer	TI1 [Texas Instruments]

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OPA2681

8

SBOS091A

TYPICAL PERFORMANCE CURVES: VS = ±5V (Cont.)

G = +2, RF = 402Ω, RL = 100Ω, unless otherwise noted (see Figure 1).

70

65

60

55

50

45

40

35

30

25

20

Frequency (Hz)

102

103

104

105

106

107

108

CMR AND PSR vs FREQUENCY

+PSR

–PSR

CMR

5

4

3

2

1

0

–1

–2

–3

–4

–5

OUTPUT VOLTAGE AND CURRENT LIMITATIONS

I

O (mA)

–300

–200

–100

0

100

200

300

100

Ω Load Line

50

Ω Load Line

25

Ω

Load Line

Output Current Limited

1W Internal

Power Limit

1-Channel

Only

1W Internal

Power Limit

Output Current Limit

10

7.5

5

2.5

0

200

150

100

50

0

SUPPLY AND OUTPUT CURRENT vs TEMPERATURE

Ambient Temperature (°C)

–40

–20

0

20

40

60

80

100

120

140

Quiescent Supply Current

Sourcing Output Current

Sinking Output Current

120

100

80

60

40

20

0

OPEN-LOOP TRANSIMPEDANCE GAIN/PHASE

Frequency (Hz)

104

105

106

107

108

109

0

–40

–80

–120

–160

–200

–240

|Z

OL|

∠ Z

OL

0.05

0.04

0.03

0.02

0.01

0

Number of 150

Ω Loads

12

3

4

COMPOSITE VIDEO dG/dP

Positive Video

Negative Sync

dP

dG

5

4

3

2

1

0

–1

–2

–3

–4

–5

TYPICAL DC DRIFT OVER TEMPERATURE

Ambient Temperature (°C)

–40

–20

V

IO

0

20

40

60

80

100

120

140

50

40

30

20

10

0

–10

–20

–30

–40

–50

Non-Inverting Input Bias Current

Inverting

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