參數(shù)資料
型號： VSC7938R0
廠商： Vitesse Semiconductor Corporation.
英文描述： Laser Diode Driver with Automatic Power Control
中文描述： 激光二極管驅(qū)動器，帶有自動功率控制
文件頁數(shù)： 3/16頁
文件大?。?/td> 213K
代理商： VSC7938R0
VITESSE
Preliminary Data Sheet
VSC7938
SONET/SDH 3.125Gb/s
Laser Diode Driver with Automatic Power Control
G52349-0, Rev 3.0
01/20/01
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
Table 3: PECL and TTL/CMOS Inputs
and Outputs Specifications
Absolute Maximum Ratings
(1)
Power Supply Voltage (V
CC
)............................................................................................................... -0.5V to 6V
Current into BIAS.....................................................................................................................-20mA to +150mA
Current into OUT+, OUT-...............................................................................................................................TBD
Current into MD.............................................................................................................................-5mA to +5mA
Current into FAIL.........................................................................................................................-10mA to 30mA
Voltage at DATA+, DATA-, CLK+, CLK-, ENABLE, LATCH.........................................-0.5V to (V
CC
+ 0.5V)
Voltage at APCFILT, MODSET, BIASMAX, APCSET, MD, FAIL, SLWSTRT..........................-0.5V to +3.0V
Voltage at OUT+, OUT- .....................................................................................................-0.5V to (V
CC
+ 1.5V)
Voltage at BIAS..................................................................................................................-0.5V to (V
CC
+ 0.5V)
Continouous Power Dissipation (T
A
= +85
°
C, TQFP derate 20.8mW/
°
C above +85
°
C) .......................1350mW
Operating Junction Temperature Range...................................................................................... -55
°
C to +150
°
C
Storage Temperature Range ........................................................................................................-65
°
C to +165
°
C
NOTE: (1) CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without caus-
ing permanent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended
periods may affect device reliability.
Recommended Operating Conditions
Positive Voltage Rail (V
CC
).....................................................................................................+3.135V to +5.25V
Negative Voltage Rail (GND) ............................................................................................................................0V
Modulation Current (I
MOD
)
(1)
.......................................................................................................................30mA
Ambient Temperature Range (T
A
)................................................................................................. -40
°
C to +85
°
C
NOTE:
(1) V
CC
= 3.3V, I
BIAS
= 60mA.
Symbol
Parameter
Min
Typ
Max
Units
Conditions
V
ID
Differential Input Voltage
100
V
CC
-
1.49
-1
1600
V
CC
-
V
ID
/4
10
mV
p-p
(DATA+)-(DATA-)
V
ICM
Common-Mode Input Voltage
V
CC
-
1.32
V
PECL Compatible
I
IN
Clock and Data Input Current
TTL Input High Voltage
(ENABLE, LATCH)
TTL Input Low Voltage
(ENABLE, LATCH)
μA
V
IH
2.0
V
V
IL
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
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