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參數(shù)資料
| 型號： | FOA2252A1 |
| 廠商： | SIEMENS A G |
| 元件分類： | 其它接口 |
| 英文描述： | 2.5 Gb/s Laser Driver(2.5 Gb/s激光驅(qū)動器) |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, UUC28 |
| 封裝： | DIE-28 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 231K |
| 代理商： | FOA2252A1 |
Semiconductor Group
7
August 98
FOA2251A1
FOA2252A1
SP
31
Characteristic
Output Voltage Range BIAS,
S
BIAS
Laser Supervising Circuit
MD Failure Voltage High
Symbol
V
BIAS
VS
BIAS
Unit
V
Min
0.5
Typ
.
Max
4
Note
32
V
MD
nom
+ 2.2dB
V
MD
nom
+ 2dB
V
MD
nom
- 2dB
Note 11
optical:
+1dB
33
MD Failure Voltage Low
V
MD
nom
- 2.2dB
V
MD
nom
+ 1.2dB
Note 11
optical:
-1dB
34
MD Range without Failure
Recognition
V
V
MD
nom
- 1.2dB
Note 12
35
Failure Recognition Time vs.
C
FDEL
Capacitor
t
FDEL
C
FDEL
μ
s
nF
115
Note 9
Note 13
Note 18
Note 14
36
Shut Off Time after Failure
or Laser Disable
RSTN Pulse Width vs.
C
FDEL
V
CC
Reset Threshold for
Laser Enable/Disable
Power On Delay vs.
C
PDEL
Capacitor Range
LD
OFF
Low Output Current
t
LDdis
μs
3
37
μ
s
nF
V
25
38
2.2
2.99
Note 15
39
t
PDEL
C
PDEL
ms
nF
mA
0.22
Note 16
Note 9
40
1
3
sink
current
sink
current
41
LD
OFF
High Output Current
μ
A
2
42
LD
OFF
High Output Voltage
Reference Voltage
Voltage Range VREF
VREF Source Current
VREF Sink Current
MD Reference Value
V
MDR
Drift over Temperature
Range
V
V
CC
-0.1
43
44
45
46
V
REF
I
REFsource
I
REFsink
V
MDR
V
MDR
/
V
MDR
V
1.84
2.0
2.15
1
100
1.3
10
mA
μ
A
V
%
1.1
Note 17
47
48
V
MDR
Drift over Supply
Voltage Range 3 V ... 5.5 V
V
MDR
/
V
MDR
%
10
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