Datasheet

ADN2871
Rev. A | Page 14 of 20
05228-001
ADI
MICROCONTROLLER
Tx_DISABLE
Tx_FAULT
CONTROL
PAVREF
PAVSET
ADN2871
RPAV
GND
DAC
DAC
V
CC
MPD
ERREF
ERSET
GND
IMOD
DATAP
IMODP
DATAN
IMODN
IBMON IMMON
ALSFAIL
IBIAS
100Ω
CCBIAS
V
CC
LASER
L
R
V
CC
V
CC
V
CC
GND GND
PAVCAP
470Ω1kΩ
GND
GND
NC
1kΩ
1kΩ
ADC
V
CC
×100
V
CC
R
Z
Figure 29. ADN2871 Using Microconverter Voltage Setpoint Calibration and Monitoring
L
V
CC
05228-025
ADN2871
ERSET
V
CC
RPAV
PAVREF
V
CC
MPD
DATAP
IMODP
DATAN
IMODN
IBMON IMMON
ALSFAIL
IBIAS
V
CC
LASER
V
CC
V
CC
GND GND
PAVCAP
GND
GND
NC
GND
GND
PAVSET
100Ω
CCBIAS
R
470Ω1kΩ
V
CC
CONTROL
IMOD
×100
V
CC
ERREF
V
REF
V
CC
R
Z
Figure 30. ADN2871 Using Resistor Setpoint Calibration of Average Power and Extinction Ratio