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參數(shù)資料
| 型號： | VSC7939RP |
| 廠商： | VITESSE SEMICONDUCTOR CORP |
| 元件分類： | 其它接口 |
| 英文描述： | Laser Diode Driver with Automatic Power Control |
| 中文描述： | SPECIALTY INTERFACE CIRCUIT, PQFP32 |
| 封裝： | 5 X 5 MM, MS-026, TQFP-32 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 226K |
| 代理商： | VSC7939RP |
VITESSE
Preliminary Data Sheet
VSC7939
SONET/SDH 3.125Gb/s
Laser Diode Driver with Automatic Power Control
G52350-0, Rev 3.2
02/26/01
Page 3
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
NOTES: (1) Both I
BIAS
and I
MOD
will turn off if any of the current set pins are grounded. (2)
Assumes laser diode to monitor diode transfer func-
tion does not change with temperature.
Table 3: PECL and TTL/CMOS Inputs
and Outputs Specifications
Modulation Current Absolute Accuracy
±15
%
See Note 2
Modulation Current Stability
-480
-50
480
ppm/
°
C
I
MOD
=60mA
I
MOD
=5mA
I
BIAS
/I
BIASMON
I
MOD
/I
MODMON
250
A
BIAS
A
MOD
BIASMON to I
BIAS
Gain
MODMON to I
MON
Gain
37
A/A
29
A/A
Symbol
Parameter
Min
Typ
Max
Units
Conditions
V
ID
Differential Input Voltage
100
1600
mV
p-p
(DATA+)-(DATA-)
V
ICM
Common-Mode Input Voltage
V
CC
-
1.49
V
CC
-
1.32
V
CC
-
V
ID
/4
10
V
PECL-compatible
I
IN
Clock and Data Input Current
-1
μA
V
IH
TTL Input High Voltage
(ENABLE, LATCH)
2.0
V
V
IL
TTL Input Low Voltage
(ENABLE, LATCH)
0.8
V
TTL Output High Voltage (FAIL)
2.4
V
CC
-
0.3
V
CC
V
Sourcing 50μA
TTL Output Low Voltage (FAIL)
0.1
0.44
V
Sinking 100μA
Symbol
Parameter
Min
Typ
Max
Units
Conditions
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| VSC7939W | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:Laser Diode Driver with Automatic Power Control |
| VSC7940 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control |
| VSC7940RP | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control |
| VSC7940W | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control |
| VSC7958 | 制造商:VITESSE 制造商全稱:Vitesse Semiconductor Corporation 功能描述:2.5Gb/s High Speed Limiting Post Amplifier for OC-48/SDH-16 Applications |
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