Datasheet

ADN2873
Rev. 0 | Page 7 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
NOTES
1. NC = NO CONNECT.
2
. THE LFCSP HAS AN EXPOSED PADDLE THAT MUST BE CONNECTED
TO GND.
07493-006
PIN 1
INDICATOR
1CCBIAS
2PAVSET
3GND
4VCC
5PAVREF
6RPAV
15 ERREF
16 VCC
17 IBMON
18 FAIL
14 IMMON
13 ERSET
7
NC
8
PAVCAP
9
GND
11
DATAN
12
ALS
10
DATAP
21 IMODP
22
IM
ODN
23 GND
24 IBIAS
20 VCC
19 GND
TOP VIEW
(Not to Scale)
ADN2873
Figure 6. Pin Configuration
Table 4. Pin Function Descriptions
Pin No. Mnemonic Description
1 CCBIAS Not Used (Internally Connected to VCC)
2 PAVSET Average Optical Power Set Pin
3 GND Supply Ground
4 VCC Supply Voltage
5 PAVREF Reference Voltage Input for Average Optical Power Control
6 RPAV Average Power Resistor when Using PAVREF
7 NC No Connect
8 PAVCAP Average Power Loop Capacitor
9 GND Supply Ground
10 DATAP Data, Positive Differential Input
11 DATAN Data, Negative Differential Input
12 ALS Automatic Laser Shutdown
13 ERSET Extinction Ratio Set Pin
14 IMMON Modulation Current Monitor Current Source
15 ERREF Reference Voltage Input for Extinction Ratio Control
16 VCC Supply Voltage
17 IBMON Bias Current Monitor Current Source
18 FAIL FAIL Alarm Output
19 GND Supply Ground
20 VCC Supply Voltage
21 IMODP Modulation Current Positive Output (Current Sink), Connect to Laser Diode
22 IMODN Modulation Current Negative Output (Current Sink)
23 GND Supply Ground
24 IBIAS Laser Diode Bias (Current Sink to Ground)