ADN2870 Analog Devices, Inc., ADN2870 Datasheet - Page 13

• Manufacturer Part Number: ADN2870
• Description: 3.3 V Dual-loop, 50 Mbps To 3.3 Gbps Laser Diode Driver
• Manufacturer: Analog Devices, Inc.

Tx_FAULT
Tx_FAIL
MICROCONTROLLER
DAC
DAC
VCC
GND
GND
ADI
Figure 27. ADN2870 Using Resistor Setpoint Calibration of Average Power and Energy Ratio
ADC
MPD
VCC
VCC
PAVREF
PAVSET
ERREF
ERSET
Figure 26. ADN2870 Using Microconverter Calibration and Monitoring
RPAV
1kΩ
1kΩ
GND
GND
VCC
VCC
PAVREF
PAVSET
MPD
ERREF
ERSET
RPAV
VCC
GND
FAIL
GND
IBMON
VCC
1kΩ
Rev. 0 | Page 13 of 20
CONTROL
VCC
GND
GND
FAIL
ALS
GND
IMMON
470Ω
IBMON
1kΩ
IMOD
IBIAS
CONTROL
GND
VCC
ADN2870
GND
PAVCAP
ALS
IMODN
IMMON
470Ω
IMOD
IBIAS
GND
100Ω
GND
VCC
ERCAP
ADN2870
PAVCAP
IMODN
IMODP
IBIAS
CCBIAS
VCC
GND
L
100Ω
R
ERCAP
DATAP
DATAN
LASER
IMODP
IBIAS
CCBIAS
VCC
L
R
VCC
DATAP
DATAN
LASER
VCC
ADN2870