OPA4684IPWT datasheet(8/33 Pages) TI1

Part #	OPA4684IPWT

Description	Quad, Low-Power, Current-Feedback Operational Amplifier

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Manufacturer	TI1 [Texas Instruments]

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OPA4684

8

SBOS240G

www.ti.com

TYPICAL CHARACTERISTICS: VS = ±5V (Cont.)

At TA = +25°C, G = +2, RF = 800Ω, and RL = 100Ω, unless otherwise noted.

0.10

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.02

0.01

0

Number of 150

Ω Video Loads

14

23

COMPOSITE VIDEO DIFFERENTIAL GAIN/PHASE

Gain = +2

NTSC, Positive Video

dG

dP

1W Power

Limit

OUTPUT CURRENT AND VOLTAGE LIMITATIONS

–150

–100

–50

0

50

100

150

I

O (MA)

5

4

3

2

1

0

–1

–2

–3

–4

–5

Each

Channel

R L

=

5

0Ω

1W Power

Limit

TYPICAL DC DRIFT OVER AMBIENT TEMPERATURE

–50

–25

0

25

50

75

100

125

Ambient Temperature (

°C)

4

3

2

1

0

–1

–2

–3

–4

Input Offset Voltage

Noninverting Input Bias Current

Inverting Input Bias Current

SUPPLY AND OUTPUT CURRENT

vs AMBIENT TEMPERATURE

–25

0

25

50

75

100

125

Ambient Temperature (

°C)

200

175

150

125

100

Sourcing Output Current

Sinking Output Current

Supply Current

7.6

7.2

6.8

6.4

6.0

SETTLING TIME

010

20

30

40

50

60

Time (ns)

0.05

0.04

0.03

0.02

0.01

0

–0.01

–0.02

–0.03

–0.04

–0.05

2V Step

See Figure 1

ALL HOSTILE CROSSTALK

Frequency (MHz)

10

1

0.1

100

–20

–25

–30

–35

–40

–45

–50

–55

–60

–65

–70

1V

PP Output

3-Channels, 100

Ω Load

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