OPA380

OPA2380

SBOS291G − NOVEMBER 2003 − REVISED SEPTEMBER 2007

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7

TYPICAL CHARACTERISTICS: VS = +2.7V to +5.5V (continued)

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

C

F

Circuit for Transimpedance Amplifier Characteristic curves on this page.

R

F

C

DIODE

OPA380

C

STRAY

TRANSIMPEDANCE AMP CHARACTERISTIC

100

140

130

120

110

100

90

80

70

60

50

40

30

20

1k

10k

100k

1M

10M

100M

Frequency (Hz)

R

F =10MΩ

C

STRAY (parasitic) = 0.2pF

C

DIODE = 100pF

R

F =1MΩ

C

F =0.5pF

R

F =100kΩ

R

F = 10kΩ

R

F =1kΩ

C

F = 2pF

C

F = 5pF

C

F =18pF

TRANSIMPEDANCE AMP CHARACTERISTIC

100

140

130

120

110

100

90

80

70

60

50

40

30

20

1k

10k

100k

1M

10M

100M

Frequency (Hz)

R

F =10MΩ

R

F =1MΩ

C

F =0.5pF

R

F =100kΩ

R

F = 10kΩ

R

F =1kΩ

C

F =1.5pF

C

F = 4pF

C

F =12pF

C

STRAY (parasitic) = 0.2pF

C

DIODE = 50pF

TRANSIMPEDANCE AMP CHARACTERISTIC

100

140

130

120

110

100

90

80

70

60

50

40

30

1k

10k

100k

1M

10M

100M

Frequency (Hz)

R

F =10MΩ

R

F =1MΩ

R

F =100kΩ

R

F = 10kΩ

R

F =1kΩ

C

F =1pF

C

F = 2.5pF

C

F = 7pF

C

STRAY (parasitic) = 0.2pF

C

DIODE = 20pF

TRANSIMPEDANCE AMP CHARACTERISTIC

100

140

130

120

110

100

90

80

70

60

50

40

30

1k

10k

100k

1M

10M

100M

Frequency (Hz)

R

F =10MΩ

R

F =1MΩ

R

F =100kΩ

R

F = 10kΩ

R

F =1kΩ

C

F = 0.5pF

C

F = 2pF

C

F = 5pF

C

STRAY (parasitic) = 0.2pF

C

DIODE =10pF

TRANSIMPEDANCE AMP CHARACTERISTIC

100

140

130

120

110

100

90

80

70

60

50

40

1k

10k

100k

1M

10M

100M

Frequency (Hz)

R

F = 10MΩ

R

F =1MΩ

R

F =100kΩ

R

F = 10kΩ

R

F =1kΩ

C

F =0.5pF

C

F =1pF

C

F =2.5pF

C

STRAY (parasitic) = 0.2pF

C

DIODE =1pF