ADN2873(RevB) Просмотр технического описания (PDF) - Analog Devices
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ADN2873 Datasheet PDF : 20 Pages
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
PIN 1
INDICATOR
CCBIAS 1
PAVSET 2
GND 3
VCC 4
PAVREF 5
RPAV 6
ADN2873
TOP VIEW
(Not to Scale)
18 FAIL
17 IBMON
16 VCC
15 ERREF
14 IMMON
13 ERSET
ADN2873
NOTES
1. DNC = DO NOT CONNECT.
2. THE LFCSP HAS AN EXPOSED PADDLE THAT MUST
BE CONNECTED TO GND.
Figure 6. Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
1
CCBIAS
2
PAVSET
3
GND
4
VCC
5
PAVREF
6
RPAV
7
DNC
8
PAVCAP
9
GND
10
DATAP
11
DATAN
12
ALS
13
ERSET
14
IMMON
15
ERREF
16
VCC
17
IBMON
18
FAIL
19
GND
20
VCC
21
IMODP
22
IMODN
23
GND
24
IBIAS
EPAD
Description
Not Used (Internally Connected to VCC)
Average Optical Power Set Pin
Supply Ground
Supply Voltage
Reference Voltage Input for Average Optical Power Control
Average Power Resistor when Using PAVREF
Do Not 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)
Exposed Pad. The LFCSP has an exposed paddle that must be connected to GND.
Rev. B | Page 7 of 20
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