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七月 2 2019炮打鱼

AD620的工作原理、引脚图以及应用电路

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产品图片产品型号品牌商电源电压内部功耗电源电流
AD620AD620ADI±18V650mW0.9mA

炮打鱼  AD620SHIYIKUANDICHENGBEN、GAOJINGDUYIBIAOFANGDAQI,JINXUYAOYIGEWAIBUDIANZULAISHEZHIZENGYI,ZENGYIFANWEIWEI1ZHI10000。CIWAI,AD620CAIYONG8YINJIAOSOICHEDIPFENGZHUANG,CHICUNXIAOYUFENLIDIANLUSHEJI,BINGQIEGONGHAOGENGDI(ZUIDAGONGZUODIANLIUJIN1.3mA),YINERFEICHANGSHIHEDIANCHIGONGDIANJIBIANXIESHI(HUOYUANCHENG)YINGYONG。BENWENJIANGJIESHAOQIDEGONGZUOYUANLI、YINJIAOTUYIJIYINGYONGDIANLU。

  一、AD620简介

  AD620JUYOUGAOJINGDU(ZUIDAFEIXIANXINGDU40ppm)、DISHIDIAODIANYA(ZUIDA50HV)HEDISHIDIAOPIAOYI(ZUIDA0.6HV/。C)TEXING,SHIDIANZICHENGHECHUANGANQIJIEKOUDENGJINGMISHUJUCAIJIXITONGDELIXIANGZHIXUAN。CIWAI,AD620HAIJUYOUDIZAOSHENG、DISHURUPIANZHIDIANLIUHEDIGONGHAOTEXING,SHIZHIFEICHANGSHIHEECGHEWUCHUANGXUEYAJIANCEYIDENGYILIAOYINGYONG。

图1 AD620

  TU1 AD620

  YOUYUQISHURUJICAIYONGSuper[3etaCHULI,YINCIKEYISHIXIANZUIDA1.0nADEDISHURUPIANZHIDIANLIU。AD620ZAI1kHzSHIJUYOU9nVA/HzDEDISHURUDIANYAZAOSHENG,ZAI0.1HzZHI10HzDAIKUANSHANGDEZAOSHENGWEI0.28HVFENGFENGZHI,SHURUDIANLIUZAOSHENGWEIO.lpAA/Hz,YINERZUOWEIQIANZHIFANGDAQISHIYONGXIAOGUOHENHAO。AD620HAIFEICHANGSHIHEDUOLUFUYONGYINGYONG,QI0.01%JIANLISHIJIANWEI15us,ERQIECHENGBENHENDI,ZUYISHIXIANMEITONGDAOYIGEYIBIAOFANGDAQIDESHEJI。

  二、电气特性及参数

  2.1特性:

  (1)YIYUSHIYONG

  .ZENGYITONGGUOYIGEWAIBUDIANZUSHEZHI

炮打鱼  (ZENGYIFANWEI:1ZHI10,000)

炮打鱼  .KUANDIANYUANDIANYAFANWEI(±2.3VZHI+18V)

  .XINGNENGGAOYU3YUNFANGFENLIYIBIAOFANGDAQISHEJI

  .CAIYONG8YINJIAODIPHESOICFENGZHUANG

  .DIGONGHAO,ZUIDAGONGZUODIANLIU1.3mA

炮打鱼  (2)CHUSEDEZHILIUXINGNENG(BJI)

  .SHURUSHIDIAODIANYA:50VV(ZUIDAZHI)

  .SHURUSHIDIAOPIAOYI:0.6yV/。C(ZUIDAZHI)

  .SHURUPIANZHIDIANLIU:1.0nA(ZUIDAZHI)

  .GONGMOYIZHIBI:100dB(ZUIXIAOZHI,G=10)

  (3)DIZAOSHENG

炮打鱼  .SHURUDIANYAZAOSHENG:9nV/yHz(1kHz)

  .0.28yVFENGFENGZHIZAOSHENG(O.lHzZHI10Hz)

  (4)CHUSEDEJIAOLIUTEXING

  .DAIKUAN:120kHz(G=100)

  .0.01%JIANLISHIJIAN:15¨s

  2.2参数:

  (1)TUIJIANZHI

炮打鱼  .DIANYUANDIANYA:±15V;

  .DIANYUANDIANLIU:0.9mA;

炮打鱼  .DUANLUDIANLIU:±18mA;

炮打鱼  .ZHUANHUANSULV:1.5V/μs;

  .GONGZUOWENDU(CJI):-40~85℃。

  (2)JIXIANZHI

  .DIANYUANDIANYA:±18.0V;

  .CUNZHUWENDU(CJI):-65~150℃;

炮打鱼  .NEIBUGONGHAO:650mW;

炮打鱼  .GONGMOSHURUDIANYA:±VS;

炮打鱼  .CHAMOSHURUDIANYA:±25V;

  .SHUCHUDUANLUCHIXUSHIJIAN:WUXIANZHI。

  2.3绝对最大额定值

绝对最大额定值

  TU2 JUEDUIZUIDAEDINGZHI

  QIANGDIAOGENJUYISHANGSUOLIEDEJUEDUIZUIDAEDINGZHIKENENGHUIZAOCHENGYONGJIUXINGSUNHUAISHEBEI。ZHEISHIYIZHONGYALIEDINGZHIJINSHEBEIDEGONGNENGCAOZUOZAIZHEIXIEHUORENHEYISHANGZHEIXIEBIAOMINGZAIQITATIAOJIANsYEWUZHEISHUOMINGBUFENJIANGDEBUDAOBAOZHENG。PUGUANGJUEDUIZUIDAEDINGZHIZHANGSHIJIANDEZHUANGKUANGKENENGYINGXIANGQIJIANDEKEKAOXING。

  三、引脚图

炮打鱼  AD620YINJIAOTURUTU3SUOSHI

AD620引脚图

炮打鱼  TU3 AD620YINJIAOTU

  四、工作原理

AD620原理示意图

  TU4 AD620YUANLISHIYITU

  AD620 YOUCHUANTONGDESANYUNSUANFANGDAQIFAZHANERCHENG,DANYIXIEZHUYAOXINGNENGQUEYOUYUSANYUNSUANFANGDAQIGOUCHENGDEYIBIAOFANGDAQIDESHEJI,RUDIANYUANFANWEIKUAN(±2. 3~ ±18 V ) , SHEJITIJIXIAO,GONGHAOFEICHANGDI(ZUIDAGONGDIANDIANLIUJIN1. 3 mA ) ,YINERSHIYONGYUDIDIANYA、DIGONGHAODEYINGYONGCHANGHE。

  AD620 DEDANPIANJIEGOUHEJIGUANGJINGTIDIAOZHENG,YUNXUDIANLUYUANJIANJINMIPIPEIHEGENZONG,CONGERBAOZHENGDIANLUGUYOUDEGAOXINGNENG。AD620 WEISANYUNFANGJICHENGDEYIBIAOFANGDAQIJIEGOU,WEIBAOHUZENGYIKONGZHIDEGAOJINGDU,QISHURUDUANDESANJIGUANTIGONGJIANDANDECHAFENSHUANGJISHURU,BINGCAIYONGβGONGYIHUODEGENGDIDESHURUPIANZHIDIANLIU,TONGGUOSHURUJINEIBUYUNFANGDEFANKUI,BAOCHISHURUSANJIGUANDEJIDIANJIDIANLIUHENGDING,BINGSHISHURUDIANYAJIADAOWAIBUZENGYIKONGZHIDIANZURGSHANG。AD620 DELIANGGENEIBUZENGYIDIANZUWEI24. 7 k8 ,YINERZENGYIFANGCHENGSHIWEI:

炮打鱼  G =49.4 kΩ/R G + 1 (1)

  DUIYUSUOXUDEZENGYI, ZEWAIBUKONGZHIDIANZUZHIWEI:

  R G =49.4/(G - 1)kΩ (2)

  五、应用电路

      1.压力传感器电路

压力检测器电路

  TU5 YALIJIANCEQIDIANLU

  AD620 TEBIESHIYIYUJIAOGAODIANZUZHI, JIAODIDIANYUANDIANYADEYALICHUANGANQIDIANLUSHEJI。AD620 DETIJIXIAO、GONGHAODICHENGWEIYALICHUANGANQIDEZHONGYAOYINSU, TU5WEI3 k8、+ 5 V DIANYUANGONGDIANDEYALICHUANGANQIDIANQIAO。ZAIZHEIYANGYIGEDIANLUZHONG, DIANQIAOGONGHAOJINWEI1. 7 mA ,AD620 HEAD705 HUANCHONGDIANYAQUDONGQIDUIXINHAODIAOJIE,SHIZONGGONGDIANDIANLIUJINWEI3. 8 mA , TONGSHIGAIDIANLUCHANSHENGDEZAOSHENGHEPIAOYIYEJIDI。

  2.心电图监测电路

心电图监测电路

  TU6 XINDIANTUJIANCEDIANLU

  ZAIXINDIANTUJIANCEDIANLUSHEJIZHONG,XINHAODEYUANZUKANGJIGAO、QIJIANDEBIANXIETEDIAN,ZHEIJIUYAOQIUYONGDIGONGHAO、DIGONGDIANDIANYADEFANGDAQIJINXINGSHEJI,ERAD620ZHENGSHIZHEIZHONGQIJIANDEZUIJIAXUANZE。TU6WEIXINDIANTUJIANCEDIANLUZHONGAD620DEYINGYONGQINGKUANG。ERQIEAD620DEDIDIANYAZAOSHENGGAISHANLEDONGTAIFANWEI,SHIJIANCEDIANLUJUYOUJIAOHAODEXINGNENG,WEILEWEICHITUZHONGQUDONGHUANLUDEWENDINGXING,YINGSHIDIANRONGC1 ZHIXUANZESHIDANGDEZHI。

  3.精密电压电流转换器

图7 精密电压电流转换

炮打鱼  TU7 JINGMIDIANYADIANLIUZHUANHUAN

  RUTU7SUOSHI,AD620YUYIYUNFANGZUHEKEYISHEJICHENGYIGEJINGMIDIANYADIANLIUZHUANHUANQI,TONGGUOAD705 DUIAD620DECANKAODUANJINXINGHUANCHONG, SHIZHIBAOCHIYOU。

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