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FMM3171VI Datasheet

  • FMM3171VI

  • Laser Diode/LED Driver

  • 4頁

  • ETC

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1.25Gb/s GaAs
Laser Driver
DESCRIPTION
FMM3171VI
VI
The FMM3171VI is a laser driver IC for up to 1.2Gb/s optical transmission
systems. The GaAs MES-FET IC process allows for high speed operation
with low power consumption. There are two data inputs options; a comple-
mentary input or a single-ended input using a selectable D-F/F. The output
duty ratio can be set by adjusting the input reference voltage (Vref). The
differential mark-density monitor (Mmk) output proportional to the peak cur-
rent output signal. The peak current and bias current output is disabled by
the shutdown terminal, which is ECL compatible. Logic 鈥渉igh鈥?causes the out-
put to be disabled. The High speed turn-on and turn-off is accomplished by a very
low compute time constant. The amount of peak current and bias current are monitored by the current
flow at lp and lb terminal which must be connected to VSS. This FMM3171VI is an excellent choice
use as a laser driver for OC-3/OC-12/OC-24
and STM1/STM4 transmitters.
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
ECL Compatible Data Input
Built in D-F/F (Optional)
Complementary Data Input (Optional)
Modulation Current: 0 to 70mA
Bias Current: 0 to 70mA
Output Shutdown Function
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Modulation Current and Bias Current Monitor
Duty Ratio Monitor
Duty Ratio Control
Single Power Supply: -5.2V
Separated Peak Current and Bias Current Outputs
Small Package: SSOP-16
(VDD = 0V)
Symbol
Tstg
TOP
VSS
DIN, DIN, CIN
VIP
VIB
Ratings
-40 to +125
-40 to +85
-7.0 to 0
VSS to VDD
VSS -2.0 to VSS +2.1
VSS -2.0 to VSS +2.1
Unit
擄C
擄C
V
V
V
V
ABSOLUTE MAXIMUM RATINGS
Parameter
Storage Temperature
Operating Temperature*
Supply Voltage
Input Voltage
Peak Current Control Voltage
Bias Current Control Voltage
(*) Lower limit temperature corresponds to the ambient temperature and higher limit temperature
corresponds to the case (the bottom of the case) temperature.
RECOMMENDED OPERATING CONDITIONS
Parameter
Power Supply Voltage
Data & Clock Input
Peak Current Control Voltage
Bias Current Control Voltage
Output Shutdown Control Voltage
Selector Control Voltage
Symbol
VSS
VIH
VIL
VIP
VIB
VSD
VSE
Output enable
Output disable (Shutdown)
D-F/F active
D-F/F inactive
Test Conditions
Limit
Min. Typ. Max.
-5.72 -5.2 -4.94
-1.0
-1.9
VSS
VSS
-1.9
-1.0
-
-
-0.9
-1.7
-
-
-1.7
-0.9
VDD
Open
-0.7
-1.6
VSS
+2.1
VSS
+2.1
-1.6
-0.7
-
-
(VDD = 0V)
Unit
V
V
V
V
V
V
V
V
-
Edition 1.2
June 2000
This Material Copyrighted by Its Respective Manufacturer
1

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