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CX02066TQ32 データシートの表示(PDF) - Conexant Systems

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CX02066TQ32 3.3 Volt Laser Driver IC for Applications to 3 Gbps Conexant
Conexant Systems Conexant
CX02066TQ32 Datasheet PDF : 12 Pages
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CX02066
3.3 Volt Laser Driver IC for Applications to 3 Gbps
Pin No
TQFP32
1
2
3
4, 7, 16,
18, 21,
25, 32
5
PIN DESCRIPTION - TQFP 32
Name Function
VCC
DIN
DIN
Power Supply
Positive Data Input (PECL).Self biased.
Negative Data Input (PECL).Self biased.
VCC Power Supply
CLK Positive Clock Input (PECL). Self biased. Can leave disconnected if not used.
6
CLK Negative Clock Input (PECL). Self biased. Can leave disconnected if not used.
8
CEN
Clock Enable Input (TTL/CMOS). Set HIGH or not connected to use CLK inputs, LOW
when not using CLK inputs.
9
ENA Bias and modulation Output Enable (TTL/CMOS). HIGH for normal operation.
10, 15
11
12
13
14
17
GND Ground
BIASMON
Bias monitor and temperature-dependent bias current limit. Connect a resistor
between this pin and VCC to monitor.
MODMON
Bias monitor and temperature-dependent bias current limit. Connect a resistor
between this pin and VCC to monitor.
FAIL
Mean Power Control Failure indicator (TTL/CMOS). Goes LOW when control loop is
no longer able to maintain constant current at IPIN.
OCA
Over-Current Alarm (TTL/CMOS). Goes LOW when IBIAS exceeds the preset bias
current limit
BIAS Laser bias current output
19
OUT+ Positive modulation current output. Sinks current when DIN is HIGH.
20
OUT- Negative modulation current output. Sinks current when DIN is HIGH.
ADVANCED INFORMATION - REV FF
PAGE -3-
CX02066
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