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ADL5317ACPZ-REEL7 PDF预览

ADL5317ACPZ-REEL7

更新时间: 2024-02-13 22:38:08
品牌 Logo 应用领域
亚德诺 - ADI 光电电源电路二极管光电二极管电源管理电路监控控制器PC
页数 文件大小 规格书
16页 489K
描述
Avalanche Photodiode Bias Controller and Wide Range (5 nA to 5 mA) Current Monitor

ADL5317ACPZ-REEL7 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:VQCCN,针数:16
Reach Compliance Code:unknown风险等级:5.18
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:S-XQCC-N16JESD-609代码:e3
长度:3 mm湿度敏感等级:3
信道数量:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:VQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE峰值回流温度(摄氏度):260
座面最大高度:0.9 mm标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

ADL5317ACPZ-REEL7 数据手册

 浏览型号ADL5317ACPZ-REEL7的Datasheet PDF文件第2页浏览型号ADL5317ACPZ-REEL7的Datasheet PDF文件第3页浏览型号ADL5317ACPZ-REEL7的Datasheet PDF文件第4页浏览型号ADL5317ACPZ-REEL7的Datasheet PDF文件第5页浏览型号ADL5317ACPZ-REEL7的Datasheet PDF文件第6页浏览型号ADL5317ACPZ-REEL7的Datasheet PDF文件第7页 
Avalanche Photodiode Bias Controller and  
Wide Range (5 nA to 5 mA) Current Monitor  
ADL5317  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Accurately sets avalanche photodiode (APD) bias voltage  
Wide bias range from 6 V to 75 V  
16  
15  
14  
13  
COMM  
COMM  
COMM  
COMM  
ADL5317  
3 V-compatible control interface  
FALT  
1
Monitors photodiode current (5:1 ratio) over six decades  
Linearity 0.25% from 10 nA to 1 mA, 0.5% from 5 nA to 5 mA  
Overcurrent protection and overtemperature shutdown  
Miniature 16-lead chip scale package (LFCSP 3 mm × 3 mm)  
OVERCURRENT  
PROTECTION  
CURRENT  
MIRROR  
5:1  
THERMAL  
PROTECTION  
12  
NC  
VSET  
2
30 × V  
SET  
APPLICATIONS  
IPDM  
Optical power monitoring and biasing in APD systems  
Wide dynamic range voltage sourcing and current  
monitoring in high voltage systems  
11  
10  
9
29 × R  
I
APD  
5
3
4
VPLV  
VPHV  
R
NC  
I
APD  
GARD  
VPHV  
5
VCLH  
6
GARD  
VAPD  
7
8
Figure 1.  
GENERAL DESCRIPTION  
The ADL5317 is a high voltage, wide dynamic range, biasing  
and current monitoring device optimized for use with  
avalanche photodiodes. When used with a stable high voltage  
supply (up to 80 V), the bias voltage at the VAPD pin can be  
varied from 6 V to 75 V using the 3 V-compatible VSET pin.  
The current sourced from the VAPD pin over a range of 5 nA to  
5 mA is accurately mirrored with an attenuation of 5 and  
sourced from the IPDM monitor output. In a typical  
application, the monitor output drives a current input  
logarithmic amplifier to produce an output representing the  
optical power incident upon the photodiode. The photodiode  
anode can be connected to a high speed transimpedance  
amplifier for the extraction of the data stream.  
output, IPDM, maintains its high linearity vs. photodiode  
current over the full range of APD bias voltage. The current  
ratio of 5:1 remains constant as VSET and VPHV are varied.  
The ADL5317 also offers a supply tracking mode compatible  
with adjustable high voltage supplies. The VAPD pin accurately  
follows 2.0 V below the VPHV supply pin when VSET is tied to  
a voltage from 3.0 V to 5.5 V (or higher with a current limiting  
resistor), and the VCLH pin is open.  
Protection from excessive input current at VAPD as well as  
excessive die temperature is provided. The voltage at VAPD falls  
rapidly from its setpoint when the input current exceeds 18 mA  
nominally. A die temperature in excess of 140°C will cause the  
bias controller and monitor to shut down until the temperature  
falls below 120°C. Either overstress condition will trigger a logic  
low at the FALT pin, an open collector output loaded by an  
external pull-up to an appropriate logic supply (1 mA max).  
A signal of 0.2 V to 2.5 V with respect to ground applied at the  
VSET pin is amplified by a fixed gain of 30 to produce the 6 V  
to 75 V bias at Pin VAPD. The accuracy of the bias control  
interface of the ADL5317 allows for straightforward calibration,  
thereby maintaining a constant avalanche multiplication factor  
of the photodiode over temperature. The current monitor  
The ADL5317 is available in a 16-lead LFCSP package and is  
specified for operation from −40°C to +85°C.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  
 

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