OPA380

OPA2380

SBOS291E − NOVEMBER 2003 − REVISED NOVEMBER 2004

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8

All specifications at TA = +25°C, RL = 2kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.

SMALL−SIGNAL OVERSHOOT vs LOAD CAPACITANCE

100

1000

10

50

45

40

35

30

25

20

15

10

5

0

Load Capacitance (pF)

R

No R

S

−5V

V

OUT

R

C

R

S

+5V

OPA38 0

2.5pF

10k

Ω

SMALL−SIGNAL OVERSHOOT vs LOAD CAPACITANCE

100

1000

10

50

45

40

35

30

25

20

15

10

5

0

Load Capacitance (pF)

R

No R

S

V

OU T

R

C

R

S

+2.5V

−2.5V

OPA380

2.5pF

10k

Ω

OVERLOAD RECOVERY

Time (100ns/div)

3. 2pF

V P

V OUT

2kΩ

50k Ω

+5 V

IIN

1.6 m A

V

V

V

OUT

I

IN

SMALL−SIGNAL STEP RESPONSE

Time (100ns/div)

R

LARGE−SIGNAL STEP RESPONSE

Time (100ns/div)

R

10k

Ω

2.5V

−2.5V

2k

Ω

2.5pF

CHANNEL SEPARATION vs INPUT FREQUENCY

10

140

120

100

80

60

40

20

0

100

1k

10k

100k

1M

10M

100M

Frequency (Hz)