电压电流转换接口AM442原理及应用

-50-2003820038AM442ThePrincipleandApplicationofV/IConverterAM442ShenGuowei:AnalogMicroelectronics-AM442:/;;AM442:TN624:B:1006-6977(2003)08-0050-021AM4424-20mA,0/4-20mAAM442,(A),(4.510V),,,(0/4-20mA,128mA),AM442,AM442,,,AM4422AM44211AM442:635V;-40+85;4.510V;();;;420mA;0/420mA;;;();3AM442/-51-AM442,RORSC1(C2),,(23)AM442,,AM442,,,23.1AM442,,3.2,,,ISETIOUT4(OUT)T1AM44216(DIS),DIS15(VREF),,16(DIS),,,AM4223.3AM442,4.5V10V4AM4424.1AM4423,2(VCC)1(RS+),14(GND)Ground,R1R2AM442,,020mA,,ISET(714),IOUT:IOUT=VINGIN/RO,VCC(min)6V,RL,:VSIOUTmaxRL+6V,IS,RSET,:IS=VBG/RSET,VBG1.27V,020mA(),VIN0250mV,VREF=5V,GIN=2,,:R0=25,R1=22k,R2=22k,R5=40,RL=0600,C1=2.2F4.24,2(VCC)3(RS-),AM44216(DIS),-52-2003820038A/DHI3318DesignofSamplingSystemwithHighSpeedA/DConverterHI3318ChenBing:INTERSILA/DHI3318,HI3318(8)(8MHz)A/D,:;A/D;;HI3318:TN79+2:B:1006-6977(2003)08-0052-031,,(),,,A/D,:;DMACPU,,MHz,()A/D,CPU,A/DRAM,CPU,CPU,2HI33182.1HI3318INTERSILCMOS8A/D,4V7.5VR1R2,420mA,VIN0200mV,VREF=5V,GIN=2,,:R0=25,R1=22k,R2=22k,R3=100k,R4=05k,R5=40,RL=0500,C1=2.2F,C2=100nF1..[M].,2000:2003-02-08:030817