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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ES51970 데이터시트(PDF) 3 Page - Cyrustek corporation |
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ES51970 데이터시트(HTML) 3 Page - Cyrustek corporation |
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3 / 26 page  ver. 2.8 12/01/12 3 ES51970(6000counts) DMM Analog front end with Inrush Pin Description Pin No Symbol Type Description 1 BUFH O High-speed buffer output pin. Connect to integral resistor. 2 CAZH O High-speed auto-zero capacitor connection. 3 NC - Not connected 4 CL+ IO Positive connection for reference capacitor of high-resolution A/D. 5 CL- IO Negative connection for reference capacitor of high- resolution A/D. 6 CIL O High-resolution integrator output. Connect to integral capacitor. 7 CAZL O High-resolution auto-zero capacitor connection. 8 BUFL O High-resolution Buffer output pin. Connect to integral resistor 9 RAZ O Buffer output pin in AZ and ZI phase. 10 OHMC3 O Filter capacitor connection for resistance mode. 11 OHMC2 O Filter capacitor connection for resistance mode. 12 OHMC1 O Filter capacitor connection for resistance mode. 13 VRH O Output of band-gap voltage reference. Typically –1.23V 14 VA+ I De-integrating voltage positive input. The input should be higher than VA-. 15 VA- I De-integrating voltage negative input. The input should be lower than VA+. 16 EXTSRC I External source input available for Res/Diode/ADP mode 17 NC - Not connected 18 NC - Not connected 19 OR1 O Reference resistor connection for 600.0Ω range 20 VR5 O Voltage measurement ÷10000 attenuator(1000V) 21 VR4 O Voltage measurement ÷1000 attenuator(600.0V) 22 VR3 O Voltage measurement ÷100 attenuator(60.00V) 23 VR2 O Voltage measurement ÷10 attenuator(6.000V) 24 OVSG O Sense low voltage for resistance/voltage measurement 25 VR1 I Measurement Input. Connect to a precise 10MΩ resistor. 26 OVX I Sense input for resistance/capacitance measurement 27 OVH O Output connection for resistance measurement 28 OVH1 O Output connection1 for resistance measurement (optional) 29 NC - Not connected 30 NC - Not connected 31 NC - Not connected 32 NC - Not connected 33 NC - Not connected 34 NC - Not connected 35 NC - Not connected 36 SGND G Signal Ground. 37 IVSH I Current measurement input for 6000μA, 600mA and 60A modes. 38 IVSL I Current measurement input for 600μA, 60mA. 39 ADP I Measurement input in ADP mode. 40 OPIN- I Independent operational amplifier negative input 41 OPIN+ I Independent operational amplifier positive input 42 OPOUT O Independent operational amplifier output 43 ACVL O DC signal low input in ACV/ACA mode. Connect to negative output of external AC to DC converter. 44 ACVH O DC signal high input in ACV/ACA mode. Connect to positive output of external AC to DC converter. 45 ADI I Negative input of internal AC-to-DC OPAMP. 46 ADO O Output of internal AC-to-DC OPAMP. 47 TEST5 O Buffer output of OVSG 48 CA- IO Negative auto-zero capacitor connection for capacitor measurement 49 CA+ IO Positive auto-zero capacitor connection for capacitor measurement |
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