i so series current loop signal isolated ic shenzhen sunyuan technology co., ltd. www.szsunyuan.com page 1 of 3 4-20ma current loop isolator iso 4-20ma(0-20ma) analog signal isolator generalization: sunyuan sip12 pin current loop isolated module: iso 4-20ma module is a kind of single-chip two-wire isolated interface ic chip. inside the ic, there are current signal modulation circuit, magnetoelectric isolation transform circuit and signal reduction demodulation circuit,etc. the low input equivalent resistance makes the ic module achieve wide range input voltage ( 8.5~28vdc ) to realize the long-distance, non-distortion transmission of signals without external power supply. by adopting smd technological structure and new isolation technology, the modules posses the features: 3kvdc isolation between signal input and output (total isolation type), and operates in normal in abominable industrial conditions like wide temperature, humidity and vibration. maximum rated values: (if exceed the value below, may cause irremediable defect.) continuous isolation volt .: 3kvdc/rms input signal volt. (max.): 32vdc operating ambient temp.: - 45 ~ + 85 welding temp.( <10s ): +300 output short-circuit time: main-tenability general technical parameters: accuracy, linearity error grade ---------- 0.1 , 0.2 h ysteresis error ---------- < 0.5% auxiliary power ---------- no isolation ---------- signal input and output operating temp. ---------- -20 ~ +70 insulation resistance ---------- 20m operating humidity ---------10 ~ 90% ( no condensation ) withstand voltage ---------- 3kv(60hz / s) , leak current 1ma storage temp. ---------- -20 ~ +70 impact resistance volt. ---------- 3kv , 1.2/50us (peak value) features applications 4-20ma current input/output, high precision (distortion <0.2% ) high linearity in the full span(non-linearity <0.2% ). isolation between signal input and output: 3kv or 6kvdc low impedance (volt. drop <2v ), no external instruments or power supply required. sip 12pin small size, ul94v-0 standard for flame retardant encapsulation. 4-20ma signal extra-wide range volt. input ( 8.5~28vdc ). frequency response (small signal band-width): 2khz ( io=20ma ) industrial operating temperature : - 45 ~ + 85 4-20ma signal long-distance transmission in industrial site plc , dcs analog signals data acquisition and isolation ground loop elimination transmission and monitoring of signals of instruments and meters, sensors,etc analog signal data acquisition, isolation and long distance non-distortion transmission. monitor and control electrical instruments and meters, medical equipments, isolated safety bar. isolated safety bar in rail transit dc high voltage monitoring
i so series current loop signal isolated ic shenzhen sunyuan technology co., ltd. www.szsunyuan.com page 2 of 3 storage humidity -------10 ~ 95% ( no condensation ) specifications parameter conditions min. typical value max. unit isolation volt. ac , 60hz insulation impedance leak current 10s 240vrms s 60hz 1000 2500 10 12 1 0.5 6000 vrms ? pf ua temp. drift non-linearity -45~+85 i in range of full span 50 0.1 100 0.2 ppm/ i %fsk input signal volt. range 7.5 12 32 v output linearity range output current io output voltage drop voh io=20ma 0 0.1 4 2 20 40 ma ma v output signal ripple 5 mv frequency response (small signal bandwidth) io=20ma 2 khz typical applications: iso 4-20ma signal isolator ic typical connection diagram din3 iso 4-20ma signal isolator typical application diagram
i so series current loop signal isolated ic shenzhen sunyuan technology co., ltd. www.szsunyuan.com page 3 of 3 pin description: outline dimensions: external forms and dimensions note: the data sheet is subject to change without notice. p in pin definition 1 iin+ signal input 2 gnd signal input 3~8 null 9 io- signal output 10 io- signal output 11 io+ signal output 12 io+ signal output
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