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參數(shù)資料
| 型號： | FOA1252B1 |
| 廠商： | SIEMENS AG |
| 英文描述： | 2.5Gbit/s,3.3v transimpendence amplifier(2.5GBIT/S,3.3V 互阻抗放大器) |
| 中文描述： | 每秒2.5GB /秒，3.3 transimpendence放大器（每秒2.5GB /秒，3.3互阻抗放大器） |
| 文件頁數(shù)： | 13/24頁 |
| 文件大?。?/td> | 255K |
| 代理商： | FOA1252B1 |
FOA1251B1, FOA1252B1
Electrical Characteristics
Advance Datasheet, Document Rev. 1.0
3-13
10June1999
Advance Information
3.4
AC Characteristics
(1)
Notes:
1.
Conditions:
T
A
= +25
°
C,
V
CC
= +3.3 V,
C
external
= 0.85 pF
data rate: 2.488 Gbit/s; data sequence: PRBS, 2
31
-1; BER = 10
-10
.
Responsitivity of photodetector:
0.8 A/W.
Extinction ratio 9.1 dB; Gating 10
12
bit.
Differential measurement; input current 5
μ
A
pp
.
AC-coupled outputs via 22 nF into 50
load.
differential measurement; each output AC-coupled and terminated with 50
.
Equivalent noise signal on positive power supply rail: sine curve; f < 10 MHz;
U < 100 mV
PP
; refer to application note (figure 5-3)
2.
3.
4.
5.
6.
Parameter
Symbol
Limit Values
typ.
-23
1.5
27
1.8
65
500
tbd
Unit
Notes
min.
tbd
max.
Input sensitivity
Optical overload
Transimpedance
Bandwidth
Low frequency cutoff
f
3dB, lower
Output voltage swing
V
OUT,AC
Power supply
rejection ratio
Input current
Input resistance
Output resistance
Output voltage
Bias resistance
P
IN
P
OVL
R
T
f
3dB, upper
dBm
dBm
k
GHz
kHz
mV
PP
(4), (5)
dB
(2)
(2)
(3)
FOA1252B1
(4)
1.6
2.0
PSRR
(6)
I
IN,CL
10
tbd
60
2.7
500
μ
A
before clipping
R
OUT
V
CM,OUT
R
BIAS
48
72
(4)
(5)
V
400
600
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