ADN2871ACPZ-RL7 Analog Devices Inc, ADN2871ACPZ-RL7 Datasheet - Page 7

IC,Laser Diode/LED Driver,LLCC,24PIN,PLASTIC

ADN2871ACPZ-RL7

Manufacturer Part Number
ADN2871ACPZ-RL7
Description
IC,Laser Diode/LED Driver,LLCC,24PIN,PLASTIC
Manufacturer
Analog Devices Inc
Type
Laser Diode Driver (Fiber Optic)r
Datasheet

Specifications of ADN2871ACPZ-RL7

Data Rate
4.25Gbps
Number Of Channels
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
32mA
Current - Modulation
90mA
Current - Bias
100mA
Operating Temperature
-40°C ~ 85°C
Package / Case
24-VFQFN, CSP Exposed Pad
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Note: The LFCSP has an exposed paddle that must be connected to ground.
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Mnemonic
CCBIAS
PAVSET
GND
V
PAVREF
RPAV
NC
PAVCAP
GND
DATAP
DATAN
ALS
ERSET
IMMON
ERREF
V
IBMON
FAIL
GND
V
IMODP
IMODN
GND
IBIAS
CC
CC
CC
Description
In ac-coupled mode, CCBIAS can connect to either IBIAS or V
Average Optical Power Set Pin.
Supply Ground.
Supply Voltage.
Reference Voltage Input for Average Optical Power Control.
Average Power Resistor when Using PAVREF.
No Connect.
Average Power Loop Capacitor.
Supply Ground.
Data, Positive Differential Input.
Data, Negative Differential Input.
Automatic Laser Shutdown.
Extinction Ratio Set Pin.
Modulation Current Monitor Current Source.
Reference Voltage Input for Extinction Ratio Control.
Supply Voltage.
Bias Current Monitor Current Source.
Fail Alarm Output.
Supply Ground.
Supply Voltage.
Modulation Current Positive Output (Current Sink), Connect to Laser Diode.
Modulation Current Negative Output (Current Sink).
Supply Ground.
Laser Diode Bias (Current Sink to Ground).
IMODN
IMODP
IBIAS
GND
GND
V
CC
Figure 6. Pin Configuration—Top View
19
24
NC = NO CONNECT
18
1
Rev. A | Page 7 of 20
ADN2871
13
6
12
ALS
DATAN
DATAP
GND
PAVCAP
NC
7
CC
. In dc-coupled mode, CCBIAS can connect to V
ADN2871
CC
.

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