【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
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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针对工业领域的单个传感器解决方案我们的应用和产品
描述- First Sensor AG是全球领先的传感器系统供应商之一,专注于工业、医疗和移动性增长市场。公司提供标准化和定制化的传感器解决方案,包括芯片、组件、传感器和智能传感器系统。First Sensor AG以其技术创新和产品质量著称,致力于满足客户在各个应用领域的需求,并提供从研发、生产到质量保证的全方位服务。
型号- LD65E7S-A/-B /-C-H,LD85D6S-A/-B/-C,LD65D6S-A/-B/-C,LD65J7S-A/-B/-C,WTA,LD63D4S-A/-B/-C,3001380,3001263,3001262,OLM,3001386,3001265,OLP,3001421,OLT,LD67F6S-A/-B/-C,5000077,5000076,LD65F5S-A/-B/-C,BTE5000,5000079,3001426,5000078,3001429,LD63G5S- A/-B/-C-L,5000080,LD65D5S-A/-B/-C-L,LD78I6S-A/-B/-C - L,5000082,5000081,KTE8000...CS,3001393,LD67F7S-A/-B/-C,3001032,5000008,3001275,3001396,3001399,3001157,5000004,CTE9000,3001431,3001156,3001434,3001038,3001433,3001039,5000002,5000001,LD78E6HG-Q,5000083,3001439,SI-11.S1.C-30,APD SERIES 9,APD SERIES 8,LD68J6S-A/-B/-C,3001284,3001287,3001441,3001440,3001047,3001442,3001048,SA-12.S1.C-3,3001447,SA-13.S1.C-8,3001448,3001208,LD67D6S-A/-B/-C,3001054,3001177,3001210,3001212,3001211,5001315,3001214,3001213,LD78C6S-A/-B/-C-L,LD78M6S-A/-B/-C,LD83O6S-A/-B/-C,LD65I7S-A/-B /-C-H,HRO,KTE6000,CTE9000...CS,APD SERIES 9.5,3004334,3001340,3001064,LD85H6S-A/-B/-C,HCLA,3001188,3001463,3001341,3001187,CTE8000,PIN SERIES I,3001464,3001225,5000039,3001345,5000032,3001228,3001349,LD78F6DF-1,HCE,PIN SERIES Q,SA-14.S1.C-15,LD65F7S-A/-B/-C,3001351,HCL,3001232,3001473,3001356,HTD,5000045,5000040,LD63F5S-A/-B/-C,5000041,LD78F6S-A/-B/-C,CTE8000...CS,LD65F6S-A/-B/-C,PIN SERIES 6,PIN SERIES 5,LD85F6S-A/-B/-C,APD SERIES 8R,HDI,LDE,3001241,HDL,LD65D5S-A/-B/-C,HDO,3001486,5000014,3001401,3001488,3001246,LD80R4S-A/-B/-C/-D/-E-Z4,WBA,5000011,HDU,5000010,3001405,5000012,LD65D7S-A/-B/-C,HMA,PIN SERIES 6B,LD65I7S-A/-B/-C,WBI,HME,LD63-H5S-A/-B/-C,LME,HMI,SSI,LD68I6S-A/-B/-C,LMI,LD63D5S-A/-B/-C,APD SERIES 11,APD SERIES 10,SSO,5000029,3001493,HMU,3001495,CTE7000,LD67D7S-A/-B/-C,5000025,3001411,5000022,3001413,5000021,3001415,5000023,LD65D7S-A/-B/-C-L
福特#3001415零件描述AD230-9 SMD第一传感器APD数据表
描述- 本资料为First Sensor公司生产的AD230-9型雪崩光电二极管(APD)的数据表。该器件具有0.04平方毫米的有效面积,适用于近红外光谱范围的光电探测,具备高量子效率、快速上升时间和低噪声等特点。
型号- AD230-9 SMD,3001415
电子商城
品牌:TE connectivity
品类:Wire-to-Board Connector Contacts
价格:¥0.5397
现货: 26,300
现货市场
服务
可定制LAMP LED、 CHIP LED、 PLCC LED、 汽车用车规级LED、COB LED的尺寸/电压/电流等参数,电压1.5-37V,电流5-150mA,波长470-940nm。
最小起订量: 30000 提交需求>
可定制单色光灯珠、双色灯珠、全彩灯珠、发光二极管、贴片灯珠、贴片LED等产品,尺寸:0.6*0.3mm-3.2*2.7mm,波长:405-940nm,亮度:24-750mcd,电压:1.5-3.5V。
最小起订量: 3000 提交需求>
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