参数资料
型号: ADN2871ACPZ-RL7
厂商: Analog Devices Inc
文件页数: 7/20页
文件大小: 0K
描述: IC LASER DRIVER 4.25GBPS 24LFCSP
标准包装: 1,500
类型: 激光二极管驱动器(光纤)
数据速率: 4.25Gbps
通道数: 1
电源电压: 3 V ~ 3.6 V
电流 - 电源: 32mA
电流 - 调制: 90mA
电流 - 偏置: 100mA
工作温度: -40°C ~ 85°C
封装/外壳: 24-VFQFN 裸露焊盘,CSP
供应商设备封装: 24-LFCSP-VQ(4x4)
包装: 带卷 (TR)
安装类型: 表面贴装

ADN2871
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
19
GND
V CC
18
13
12
ALS
DATAN
IMODP
IMODN
GND
IBIAS
24
1
ADN2871
6
DATAP
GND
PAVCAP
NC
7
NC = NO CONNECT
Figure 6. Pin Configuration—Top View
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 CC
PAVREF
RPAV
NC
PAVCAP
GND
DATAP
DATAN
ALS
ERSET
IMMON
ERREF
V CC
IBMON
FAIL
GND
V CC
IMODP
IMODN
GND
IBIAS
Description
In ac-coupled mode, CCBIAS can connect to either IBIAS or V CC . In dc-coupled mode, CCBIAS can connect to V CC .
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).
Rev. A | Page 7 of 20
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