M02069 Datasheet, PDF (18/44 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 4.3 Gbps

M02069 Data Sheet
Table 2-1.
Pin
Number
Pin Definitions
Pin Name
Pin equivalent load
V_CC
Function
Automatic power control loop dominant pole capacitor. (Connect a capacitor
between this pin and V_CC3.)
A nominal capacitance of 2.2nF will give a bias current enable time of less than 1
ms.
20
C_APC
C _APC
100 Ω
V_CC
V_CC
3.3V applications - Power supply input. Connect to V_CC.
5V applications - Do not connect to 5V. Internally generated 3.3V power supply
output. Do not attach to non-M02069 circuitry.
21
V_CC3
V_CC3
V_CC
V_CC3
Peaking adjustment input. A resistor (2kΩ to 20kΩ) between this pin and ground
sets the amount of peaking current on OUT- to improve the fall time of the laser
output. The peaking current is approximately (5 * (1.3V / 2 kΩ + resistance to
ground)).
Connect to V_CC3 to disable peaking control.
+ 1.28V
22
PEAK_ADJ
PEAK_ADJ
-
1.8 kΩ
18
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02069-DSH-001-D
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