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CX02066DIEWP View Datasheet(PDF) - Conexant Systems

Part NameDescriptionManufacturer
CX02066DIEWP 3.3 Volt Laser Driver IC for Applications to 3 Gbps Conexant
Conexant Systems Conexant
CX02066DIEWP Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
CX02066
3.3 Volt Laser Driver IC for Applications to 3 Gbps
Pin No
BCC+24
1
2
PIN DESCRIPTION - BCC+24
Name Function
CEN
DIS
Clock Enable Input (TTL/CMOS). Set HIGH or Not Connected to use CLK inputs,
LOW when not using CLK inputs.
Bias and Modulation Output Disable (TTL/CMOS). LOW for normal operation.
3, 15
GND Ground
4
TEST Factory Test Pin - tie to VCC
5
FAIL
Mean Power Control Failure indicator (TTL/CMOS). Goes low when control loop is no
longer able to maintain constant current at PD.
6
OCA
Over-Current Alarm (TTL/CMOS). Goes low when IBIAS exceeds the preset bias
current limit
8
BIAS Laser bias current output
9, 7, 20
VCC Power supply
10
OUT+ Positive modulation current output. Sinks current when DIN is HIGH.
11
OUT- Negative modulation current output. Sinks current when DIN is HIGH.
12
GNDA Ground for output stage.(inductor to ground)
13
PD
Monitor photodiode input. This input is connected to the monitor photodiode anode for
automatic power control.
14
CMPC Mean power control dominant pole capacitor
16
TCSLOPE
Connecting a resistor between this pin and ground sets the temperature coefficient of
IMODSET (using the internal IC temperature).
17
TCSTART
Secondary temperature coefficient of IMOD. A resistor on this pin to ground sets the
temperature at which the temperature compensation starts.
18
MODSET Modulation current set. Connect a resistor between this pin and ground to set.
19
OCASET Overcurrent alarm set. Connect a resistor between this pin and ground to set.
21
DIN Positive Data Input (PECL). Self biased.
22
DIN Negative Data Input (PECL). Self biased.
23
CLK Positive Clock Input (PECL). Self biased. Can leave disconnected if not used.
24
CLK Negative Clock Input (PECL). Self biased. Can leave disconnected if not used.
ADVANCED INFORMATION - REV FF
PAGE -2-
CX02066
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