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ES233 Datasheet(PDF) 3 Page - Cyrustek corporation |
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ES233 Datasheet(HTML) 3 Page - Cyrustek corporation |
3 / 37 page V 2.2 3 2015/12/15 ES233 4000 Counts DMM Pin Description Pin No Symbol Type Description 1 IVS I Measurement input in uA/mA current mode. 2 ADP I Measurement input in ADP mode. 3 TEMPin I Measurement input in Temperature mode. 4 CLAMPin I Current measurement input in CLAMP mode. 5 CHP I / O Positive connection for reference capacitor of high-speed A/D. 6 CHN I / O Negative connection for reference capacitor of high-speed A/D. 7 CIH O High-speed integrator output. Connect to integrate capacitor. 8 BUFH O High-speed buffer output pin. Connect to integrate resistor. 9 CAZH O High-speed auto-zero capacitor connection. 10 CLN I / O Negative connection for reference capacitor of high-resolution A/D. 11 CLP I / O Positive connection for reference capacitor of high- resolution A/D. 12 CIL O High-resolution integrator output. Connect to integrate capacitor. (Metalized Polypropylene Film Capacitor type is recommended) 13 CAZL O High-resolution auto-zero capacitor connection. 14 BUFL O High-resolution buffer output pin. Connect to integrate resistor 15 RAZ O Buffer output pin in AZ and ZI phase. 16 VRH O Output of band-gap voltage reference. Typically –1.23V. 17 DACO O Output of band-gap voltage reference. Typically –400 m V. 18 VR_CLAMP I Reference input voltage connection. Typically –400 mV. 19 VR_ADP I Reference input voltage connection. Typically –400mV. 20 OHMC4 O Filter capacitor connection for resistance mode. 21 OHMC3 O Filter capacitor connection for resistance mode. 22 OHMC2 O Filter capacitor connection for resistance mode. 23 OHMC1 O Filter capacitor connection for resistance mode. 24 OVSG O Sense low voltage for resistance/voltage measurement 25 OR1 O Reference resistor connection for 40.00/400.0 Ω range 26 VR5 O Voltage measurement ÷10000 attenuator(1000V) 27 VR4 O Voltage measurement ÷1000 attenuator(400.0V) 28 VR3 O Voltage measurement ÷100 attenuator(40.00V) 29 VR2 O Voltage measurement ÷10 attenuator(4.000V) 30 ACVL I Rectified signal low input in ACV/ACA mode. Connect to negative output of external AC to DC converter. 31 ACVH I Rectified signal high input in ACV/ACA mode. Connect to positive output of external AC to DC converter. 32 ADI I Negative input of internal AC to DC OP Amp. 33 ADO O Output of internal AC to DC OP Amp. 34 TEST5 O Buffer output of OVSG. 35 SGND I Signal Ground input. 36 VR1 I Measurement Input. Connect to a precised 10MΩ resistor. |
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