參數(shù)資料
型號(hào): OPA657
元件分類: 運(yùn)動(dòng)控制電子
英文描述: Precision, High-Speed Transimpedance Amplifier
中文描述: 精密,高速互阻抗放大器
文件頁數(shù): 8/18頁
文件大小: 362K
代理商: OPA657
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SBOS291E NOVEMBER 2003 REVISED NOVEMBER 2004
www.ti.com
8
TYPICAL CHARACTERISTICS: V
S
= +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.
SMALLSIGNAL OVERSHOOT vs LOAD CAPACITANCE
O
100
1000
10
50
45
40
35
30
25
20
15
10
5
0
Load Capacitance (pF)
R
S
= 100
No R
S
5V
V
OUT
R
P
= 2k
C
R
S
+5V
OPA380
2.5pF
10k
SMALLSIGNAL OVERSHOOT vs LOAD CAPACITANCE
O
100
1000
10
50
45
40
35
30
25
20
15
10
5
0
Load Capacitance (pF)
R
S
= 100
No R
S
V
OUT
R
F
= 2k
C
R
S
+2.5V
2.5V
OPA380
2.5pF
10k
OVERLOAD RECOVERY
0
0
0
2
Time (100ns/div)
3.2pF
VP
VOUT
2k
50k
+5V
IIN
1.6mA
V
P
= 0V
V
P
=
5V
V
OUT
I
IN
SMALLSIGNAL STEP RESPONSE
5
Time (100ns/div)
R
L
= 2k
LARGESIGNAL STEP RESPONSE
1
Time (100ns/div)
R
L
= 2k
10k
2.5V
2.5V
2k
2.5pF
CHANNEL SEPARATION vs INPUT FREQUENCY
10
140
120
100
80
60
40
20
0
100
1k
10k
Frequency (Hz)
100k
1M
10M
100M
C
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