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OPA380 Datasheet, PDF (8/18 Pages) Burr-Brown (TI) – Precision, High-Speed Transimpedance Amplifier | |||
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OPA380
OPA2380
SBOS291E â NOVEMBER 2003 â REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS: VS = +2.7V to +5.5V (continued)
All specifications at TA = +25°C, RL = 2k⦠connected to VS/2, and VOUT = VS/2, unless otherwise noted.
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SMALLâSIGNAL OVERSHOOT vs LOAD CAPACITANCE
50
2. 5 p F
45
10kâ¦
40
+5V
35
30
RS
O PA 38 0
VOUT
25
C
RP = 2kâ¦
20
15
No RS
10
5
â5V
RS = 100â¦
0
10
100
1000
Load Capacitance (pF)
SMALLâSIGNAL OVERSHOOT vs LOAD CAPACITANCE
50
2.5pF
45
40
10kâ¦
35
+2.5V
30
RS
OPA380
25
VO U T
20
C
RF = 2kâ¦
â2.5V
15
10
5
0
10
No RS
100
RS = 100â¦
1000
Load Capacitance (pF)
OVERLOAD RECOVERY
VOUT
VP = â5V
VP = 0V
IIN
1.6 mA
3.2pF
5 0k â¦
+5V
V OUT
2 kâ¦
VP
SMALLâSIGNAL STEP RESPONSE
RL = 2kâ¦
IIN
Time (100ns/div)
LARGEâSIGNAL STEP RESPONSE
RL = 2kâ¦
2.5pF
10kâ¦
2. 5V
2kâ¦
â 2.5V
Time (100ns/div)
Time (100ns/div)
CHANNEL SEPARATION vs INPUT FREQUENCY
140
120
100
80
60
40
20
0
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
8
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