【选型】AD230-9 硅APD雪崩光电二极管助力905nm波长单线激光传感器光电接收设计

时间： 2020-07-28 来源：世强

技术问答

单线激光传感器选用的激光二极管发射的波长一般为905nm，与之匹配的APD雪崩光电二极管一般也需要可检测905nm波长，那么，APD实际选型时需要考虑哪些因素呢？

1、考虑到APD支持的频率带宽是一个范围，一般为300nm~1700nm，更细划分为硅APD为300 nm～1100 nm、锗APD为800 nm～1600 nm、InGaAs APD为900 nm～1700 nm，可选择最高灵敏度为900nm的硅APD设计，建议选择加上带通905nm BP窄带滤波片（filter）可实现设计选型；

2、确定APD使用的“最小尺寸”：有效的光学器件通常比使用的APD更具成本效益；

3、确定系统所需的“频率带宽”：最重要的是，超过系统规格的带宽会降低系统的SNR。

针对如上设计需求，本文推荐选择国际上知名的FIRST SENSOR（TE收购）推出的硅APD雪崩光电二极管 AD230-9，采用TO52封装，在900nm波段具有最高灵敏度，有效区域0.04mm²，其实物图和封装尺寸示意图参考如下图1所示。

图1：硅APD雪崩光电二极管AD230-9实物图和封装尺寸示意图

硅APD雪崩光电二极管AD230-9提供内置BP带通滤波片中心波长为905nm选型设计，BP穿透率＞90%，其典型频谱响应曲线及中心波长635nm滤波片穿透率曲线示意图参考如下图2所示。

图2：硅APD雪崩光电二极管AD230-9频谱响应曲线及中心波长905nm滤波片穿透率曲线示意图

通过如上图示易知：

AD230-9可以提供不带滤波片的订单型号3001345，图示中蓝色曲线；同时，可以提供内置中心波长为905nm BP带通滤波片，订单型号3001429，图中绿色曲线，设计时可以免去客户自行设计BP带通滤波片。

下面，提供下硅APD雪崩光电二极管AD230-9光电参数，在环境温度23℃条件下，最大暗电流1nA，典型电容低至0.3pF，波长为905nm时最低响应度为52A/W，最小击穿电压160V，最大温度系数为1.55V/K，最佳增益放大倍数为50-60，工作温度范围为-40℃~100℃，典型光电特性参数参考如下图3所示。

图3：硅APD雪崩光电二极管AD230-9典型光电特性参数

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型号- LD65F7S-A,3001380,3001263,3001262,3001386,3001265,SERIES 8R,3001393,3001032,5000008,3001275,3001396,3001399,3001157,5000004,3001156,3001038,LD65F7S-B,LD65F7S-C,3001039,5000002,5000001,LD78E6HG-Q,LD63D4S-C,LD63D4S-B,LD63D4S-A,3001284,3001287,3001047,3001048,SERIES Q,SERIES 6B,LD65J7S-C,LD65J7S-B,LD65J7S-A,3001054,3001177,LD80R4S-B,5001315,LD80R4S-C,LD83O6S-A,SERIES I,LD83O6S-B,LD80R4S-A,LD83O6S-C,LD80R4S-D,LD80R4S-E,LD67F6S-C,LD85D6S-C,LD85D6S-A,LD85D6S-B,LD63F5S-B,LD63F5S-C,LD63F5S-A,3001340,3001463,3001341,3001464,3001225,5000039,LD65E7S-A,3001345,LD65E7S-B,5000032,3001228,3001349,LD67D6S-C,LD67D6S-B,LD67D6S-A,LD65E7S-C,LD65E7S-H,3001351,3001232,3001473,3001356,LD85H6S-C,LD85H6S-B,5000045,LD85H6S-A,5000040,5000041,LD78F6S-B,LD78F6S-A,LD68J6S-A,LD68J6S-C,LD68J6S-B,3001241,LD65D7S-L,3001486,5000014,3001488,3001246,5000011,5000010,5000012,LD67F7S-A,LD67F7S-B,LD67F7S-C,LD65I7S-B,LD65I7S-A,LD65D7S-B,LD65D7S-C,LD65I7S-C,LD65D7S-A,LD65I7S-H,5000029,3001493,3001495,5000025,SERIES 9.5,5000022,5000021,5000023,LD78F6S-C,3001421,LD63G5S-L,5000077,LD78M6S-A,5000076,5000079,LD78M6S-C,3001426,5000078,LD78M6S-B,3001429,LD63G5S-C,LD63G5S-A,LD63G5S-B,5000080,5000082,5000081,LD78I6S-A,LD78I6S-C,LD78I6S-B,LD78I6S-L,SERIES 11,3001431,SERIES 10,3001434,3001433,LD67D7S-B,LD67D7S-C,LD65D6S-C,5000083,3001439,LD80R4S-Z4,LD67D7S-A,LD65D6S-A,LD65D6S-B,3001441,3001440,3001442,3001447,3001448,3001208,3001210,3001212,LD65F5S-A,3001211,3001214,LD65F5S-C,3001213,LD65F5S-B,LD68I6S-C,LD67F6S-A,LD68I6S-B,LD67F6S-B,LD68I6S-A,LD63G5S- B,LD63G5S- A,3004334,LD63-H5S-A,3001064,LD63-H5S-B,3001188,3001187,LD65D5S-L,LD63-H5S-C,LD65D5S-C,LD65D5S-B,LD85F6S-A,LD85F6S-B,SERIES 9,LD65D5S-A,LD85F6S-C,LD78C6S-A,LD78F6DF-1,LD78C6S-B,LD78C6S-C,LD63D5S-A,LD63G5S- C,LD63D5S-B,LD63D5S-C,SERIES 8,SERIES 5,SERIES 6,LD65F6S-C,3001401,LD65F6S-A,LD65F6S-B,3001405,3001411,3001413,3001415

商品及供应商介绍 - FIRST SENSOR - 2018年2月 PDF 中文下载

First Sensor工业领域用传感器解决方案

描述- First Sensor股份公司是世界领先的传感器技术供应商之一。在这个增长型的市场里，我们为工业、医疗和交通领域的目标市场越来越多地开发和生产定制化解决方案。本资料主要介绍了工业领域用传感器解决方案

型号- LD65F7S-A,3001380,LD80R4S-D-Z4,3001263,3001262,OLM,3001386,3001265,OLP,OLT,BTE5000,KTE8000...CS,3001393,3001032,5000008,LD78I6S-A-L,LD78C6S-A-L,3001275,3001396,3001399,3001157,5000004,CTE9000,3001156,3001038,LD65F7S-B,LD65F7S-C,3001039,5000002,5000001,LD78E6HG-Q,LD63G5S-C-L,APD SERIES 9,APD SERIES 8,LD63D4S-C,LD63D4S-B,LD63D4S-A,3001284,3001287,3001047,3001048,SA-13.S1.C-8,LD65J7S-C,LD65J7S-B,LD65J7S-A,LD80R4S-E-Z4,3001054,LD78C6S-B-L,LD78I6S-B-L,3001177,5001315,LD83O6S-A,LD83O6S-B,LD83O6S-C,LD67F6S-C,LD85D6S-C,HRO,LD85D6S-A,KTE6000,LD85D6S-B,LD63F5S-B,LD63F5S-C,LD63F5S-A,3001340,3001463,3001341,3001464,3001225,5000039,3001345,5000032,3001228,3001349,LD67D6S-C,LD67D6S-B,LD67D6S-A,LD65D5S-B-L,HCE,3001351,HCL,3001232,LD78I6S-C-L,LD80R4S-C-Z4,3001473,3001356,LD85H6S-C,HTD,LD85H6S-B,5000045,LD85H6S-A,5000040,5000041,LD78F6S-B,CTE8000...CS,LD78F6S-A,APD SERIES 8R,LD68J6S-A,HDI,LD68J6S-C,LD68J6S-B,3001241,HDL,HDO,3001486,5000014,3001488,3001246,WBA,5000011,HDU,5000010,5000012,LD67F7S-A,PIN SERIES 6B,LD67F7S-B,LD67F7S-C,WBI,LD65I7S-B,LD65I7S-A,LD65D7S-B,LD65D7S-C,LD65I7S-C,LME,LD65D7S-A,LMI,LD65D5S-A-L,5000029,3001493,3001495,5000025,5000022,5000021,5000023,LD78F6S-C,LD65D7S-C-L,LD65I7S-B-H,WTA,3001421,5000077,LD78M6S-A,5000076,5000079,LD78M6S-C,3001426,5000078,LD78M6S-B,3001429,5000080,5000082,5000081,3001431,3001434,3001433,LD67D7S-B,LD67D7S-C,LD65D6S-C,5000083,3001439,SI-11.S1.C-30,LD67D7S-A,LD65I7S-A-H,LD65D7S-B-L,LD65D6S-A,LD65D6S-B,LD80R4S-B-Z4,3001441,3001440,LD65D5S-C-L,3001442,SA-12.S1.C-3,3001447,3001448,3001208,LD65E7S-C-H,3001210,3001212,LD65F5S-A,3001211,3001214,LD65F5S-C,3001213,LD65F5S-B,LD68I6S-C,LD67F6S-A,LD68I6S-B,LD67F6S-B,LD68I6S-A,LD63G5S-B-L,LD65D7S-A-L,CTE9000...CS,APD SERIES 9.5,3004334,LD63-H5S-A,3001064,LD63-H5S-B,HCLA,3001188,3001187,CTE8000,PIN SERIES I,LD63-H5S-C,LD65D5S-C,LD65D5S-B,LD65E7S-B-H,LD85F6S-A,LD85F6S-B,LD65D5S-A,LD85F6S-C,LD78F6DF-1,PIN SERIES Q,SA-14.S1.C-15,LD63D5S-A,LD63D5S-B,LD63D5S-C,LD78C6S-C-L,LD63G5S- A-L,LD65I7S-C-H,PIN SERIES 6,PIN SERIES 5,LDE,LD65F6S-C,3001401,LD65F6S-A,LD65F6S-B,3001405,LD65E7S-A-H,HMA,HME,HMI,SSI,APD SERIES 11,APD SERIES 10,SSO,HMU,LD80R4S-A-Z4,CTE7000,3001411,3001413,3001415

应用及方案 - FIRST SENSOR - 2018/03/16 PDF 中文下载

First Sensor Individual sensor solutions for the industrial sector brochure

型号- WTA,3001380,OLM,3001386,3001265,OLP,3001421,OLT,5000077,5000076,5001322,BTE5000,5000079,3001426,5000078,3001429,5000073,5000074,5000080,5000082,5000081,KTE8000...CS,3001393,3001032,3005751,3001034,3001275,3001396,3001399,3001157,CTE9000,3001156,3001433,5000002,5000001,5000083,3001439,3001284,3001287,3001441,3001440,3001047,3001442,3001048,3001447,3001448,3001208,3001054,3001177,3001210,3001211,5001315,3001213,3005259,HRO,KTE6000,CTE9000...CS,3004334,3001064,HCLA,3001188,3001341,CTE8000,3001464,3001225,3001345,3001228,3001349,HCE,3001351,HCL,5000044,HTD,5000040,5000041,CTE8000...CS,HDI,LDE,HDO,3001401,3001246,WBA,5000011,HDU,5000010,3001405,HMA,WBI,HME,LME,HMI,SSI,LMI,SSO,5000029,3001493,HMU,3001495,CTE7000,3001411,3001413,5000021,3004648,3001415,5000023,3001473 TO 83

商品及供应商介绍 - FIRST SENSOR - 2019/09/30 PDF 英文下载

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商品及供应商介绍 - FIRST SENSOR - June 2019 PDF 英文下载

Order # 3001345 Part Description AD230-9 TO First Sensor APD Data Sheet

型号- 3001345,AD230-9 TO

数据手册 - FIRST SENSOR - Rev. 07/02/2018 - 07/02/2018 PDF 英文下载

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原厂动态发布时间 : 2020-01-04

Order # 3001429 Part Description AD230-9 TO First Sensor APD Data Sheet

型号- AD230-9 TO,3001429

数据手册 - FIRST SENSOR - Rev. 07/02/2018 - 07/02/2018 PDF 英文下载

Order # 50181701 Part Description AD230-9 SMD First Sensor APD Data Sheet

型号- AD230-9 SMD,50181701

数据手册 - FIRST SENSOR - Version 15-09-17 - 15-09-17 PDF 英文下载

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应用及方案 - FIRST SENSOR - 2018/01/26 PDF 英文下载