OPA4820IPWR datasheet(8/38 Pages) TI2

8 / 38 page

OPA4820

SBOS317D − SEPTEMBER 2004 − REVISED AUGUST 2008

www.ti.com

TYPICAL CHARACTERISTICS: VS = ±5V (continued)

RF = 402Ω, RL = 100Ω, and G = +2, unless otherwise noted.

−1

−2

−3

−4

−5

OUTPUT VOLTAGE AND CURRENT LIMITATIONS

O (mA)

−150

−100

−50

100

150

L = 100Ω

L =25Ω

L =50Ω

1W Internal

Power Limit

Output Current

Limit

Output Current

Limit

1W Internal

Power Limit

Single Channel

−2

−4

−6

−8

NONINVERTING OVERDRIVE RECOVERY

Time (40ns/div)

−1

−2

−3

−4

Input Right Scale

Output Left Scale

L = 100Ω

G= +2V/V

See Figure 1

0.20

0.18

0.16

0.14

0.12

0.10

0.08

0.06

0.04

0.02

COMPOSITE VIDEO dG/dP

Video Loads

0.40

0.36

0.32

0.28

0.24

0.20

0.16

0.12

0.08

0.04

123

dG Negative Video

dG Positive Video

dP Negative Video

dP Positive Video

G= +2V/V

0.1

0.01

CLOSED−LOOP OUTPUT IMPEDANCE vs FREQUENCY

Frequency (Hz)

10k

100k

10M

100M

−1

−2

−3

−4

−5

INVERTING OVERDRIVE RECOVERY

Time (40ns/div)

Input

Output

L =100Ω

−1V/V

SeeFigure2

1.0

0.5

−0.5

−1.0

TYPICAL DC DRIFT OVER TEMPERATURE

Ambient Temperature (

_C)

−10

−20

−50

−25

100

125

Input Offset Voltage (V

OS)

Left Scale

10x Input Offset Current (I

OS)

Right Scale

Input Bias Current (I

Right Scale

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