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M02061 Datasheet, PDF (15/37 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt Laser Driver
Pin Definitions
Table 2-1.
4x4 mm
QFN24 Pin
Number
14
M02061 Pin Definitions and Descriptions (5 of 7)
Pin Name
Pin equivalent load
Function
IBIASOUT
VCC
IBIASOUT
Laser bias current output.
Connect directly to laser cathode or at higher bit rates through a ferrite or a
resistor to isolate the capacitance of this pin from the modulation drive,
(~2pF).
Maintain a voltage > 0.7V at this pin.
Connect 100 kΩ pullup resistor to VCC if pin 18 (SVCC) is used.
15
GNDO
VCC
GND0
Ground for output stage. May be connected directly to ground. At high bit
rates (>2Gb/s) an optional inductor or ferrite may be added to reduce
switching transients.
16
OUT+
VCC
OUT+
Positive modulation current output. Sinks current when DIN+ is HIGH.
Maintain a voltage > 1.6V at this pin when VCC3SEL is high.
Maintain a voltage > 1.15V at this pin when VCC3SEL is low.
17
OUT-
GND0
See OUT+ drawing
Negative modulation current output. Sinks current when DIN- is HIGH
Maintain a voltage > 1.6V at this pin when VCC3SEL is high.
Maintain a voltage > 1.15V at this pin when VCC3SEL is low.
02061-DSH-001-G
Mindspeed Technologies®
15
Mindspeed Proprietary and Confidential