M02069_17 Datasheet, PDF (18/45 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 4.3 Gbps

M02069-12
3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 4.3 Gbps
Rev V2
Table 2-1. Pin Definitions
Pin Number Pin Name
Pin equivalent load
V_CC
Function
Positive modulation current output (AC or DC coupled to cathode of laser in common
anode designs). Sinks current when D_IN+ is HIGH.
Maintain a voltage > 0.7V at this pin.
16
OUT+
OUT+
GND₀
17
OUT-
See OUT+ drawing
V_CC
V_CC3
SV_CC (CC_SEL =
low)
SV_CC
Negative modulation current output (AC coupled to anode of laser in common cathode
designs). Sinks current when D_IN- is HIGH
Maintain a voltage > 0.7V at this pin.
Switched VCC. Supplies laser current for common anode designs. (CC_SEL must be
LOW).
Provides redundant shutdown during a disable or fault condition. This switch is disabled
during common cathode operation.
18
V_CC
IBOUT_CC
IBOUT _{C C}
(CC_SEL = high)
V_CC3
Laser bias current output for common cathode laser designs (CC_SEL must be high).
Connect directly to laser anode or at higher bit rates through a ferrite or a resistor to
isolate the capacitance of this pin from the modulation drive.
Maintain a voltage of < 2.5V at this pin.
12 kΩ
18
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