OPA2381 Datasheet, PDF (6/19 Pages) Burr-Brown (TI) – Precision, Low Power, 18MHz Transimpedance Amplifier

OPA381
OPA2381
SBOS313B − AUGUST 2004 − REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS: V_S = +2.7V to +5.5V (continued)
All specifications at TA = +25°C, RL = 10kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.
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Circuit for Transimpedance Amplifier Characteristic curves on this page.
C_F
R_F
C_STRAY
C_DIODE
OPA381
TRANSIMPEDANCE AMP CHARACTERISTIC
150
140
C_DIODE = 100pF
130 R_F = 10MΩ _{CF = 0.5pF}
120
110 R_F = 1MΩ
100
C_F = 1pF
90 _{RF = 100kΩ}
80
C_F = 4pF
70 _{RF = 10kΩ}
60
C_F = 12pF
50
40
30
20 C_STRAY (parasitic) = 0.2pF
10
100
1k
10k 100k
1M
10M 100M
Frequency (Hz)
TRANSIMPEDANCE AMP CHARACTERISTIC
150
140
C_DIODE = 50pF
130 R_F = 10MΩ
120
110 R_F = 1MΩ
100
C_F = 1pF
90 _{RF = 100kΩ}
80
C_F = 3pF
70 _{RF = 10kΩ}
60
C_F = 8pF
50
40
30
20 C_STRAY (parasitic) = 0.2pF
10
100
1k
10k 100k
1M
10M 100M
Frequency (Hz)
TRANSIMPEDANCE AMP CHARACTERISTIC
150
140
130 R_F = 10MΩ
120
110 R_F = 1MΩ
100
90 R_F = 100kΩ
80
70 R_F = 10kΩ
60
50
C_DIODE = 20pF
C_F = 0.5pF
C_F = 2pF
C_F = 5pF
40
30
20 ^CSTRAY ^{(parasitic) = 0.2pF}
10
100
1k
10k 100k
1M
10M 100M
Frequency (Hz)
TRANSIMPEDANCE AMP CHARACTERISTIC
150
140
130 R_F = 10MΩ
120
110 R_F = 1MΩ
100
C_F = 0.5pF
90 R_F = 100kΩ
80
C_F = 2pF
70 R_F = 10kΩ
60
50
C_F = 4pF
40
30
20 ^CSTRAY ^{(parasitic) = 0.2pF}
10
100
1k
10k
100k
1M
C_DIODE = 10pF
10M 100M
Frequency (Hz)
TRANSIMPEDANCE AMP CHARACTERISTIC
150
140
C_DIODE = 1pF
130 _{RF = 10MΩ}
120
110 R_F = 1MΩ
100
90 R_F = 100kΩ
80
C_F = 0.5pF
70 R_F = 10kΩ
60
50
40
C_F = 2pF
30
20 _{CSTRAY (parasitic) = 0.2pF}
10
100
1k
10k 100k
1M
10M 100M
Frequency (Hz)
6