Datasheet

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SBOS291G − NOVEMBER 2003 − REVISED SEPTEMBER 2007
www.ti.com
7
TYPICAL CHARACTERISTICS: V
S
= +2.7V to +5.5V (continued)
All specifications at T
A
= +25°C, R
L
= 2kΩ connected to V
S
/2, and V
OUT
= V
S
/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)
Transimpedance Gain (V/A in dB)
R
F
=10M
Ω
C
STRAY
(parasitic) = 0.2pF
C
DIODE
= 100pF
R
F
=1M
Ω
C
F
=0.5pF
R
F
=100k
Ω
R
F
= 10k
Ω
R
F
=1k
Ω
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)
Transimpedance Gain (V/A in dB)
R
F
=10M
Ω
R
F
=1M
Ω
C
F
=0.5pF
R
F
=100k
Ω
R
F
= 10k
Ω
R
F
=1k
Ω
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)
Transimpedance Gain (V/A in dB)
R
F
=10M
Ω
R
F
=1M
Ω
R
F
=100k
Ω
R
F
= 10k
Ω
R
F
=1k
Ω
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)
Transimpedance Gain (V/A in dB)
R
F
=10M
Ω
R
F
=1M
Ω
R
F
=100k
Ω
R
F
= 10k
Ω
R
F
=1k
Ω
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)
Transimpedance Gain (V/A in dB)
R
F
= 10M
Ω
R
F
=1M
Ω
R
F
=100k
Ω
R
F
= 10k
Ω
R
F
=1k
Ω
C
F
=0.5pF
C
F
=1pF
C
F
=2.5pF
C
STRAY
(parasitic) = 0.2pF
C
DIODE
=1pF