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ADE7858ACPZ 数据表(PDF) 5 Page - Analog Devices |
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ADE7858ACPZ 数据表(HTML) 5 Page - Analog Devices |
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5 / 76 page  Preliminary Technical Data ADE7858 Rev. PrA | Page 5 of 76 SPECIFICATIONS VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 16.384 MHz, TMIN to TMAX = −40°C to +85°C. Table 1. Parameter1, 2 Specification Unit Test Conditions/Comments ACCURACY ACTIVE ENERGY MEASUREMENT Total Active Energy Measurement Error (per Phase) 0.1 % typ Over a dynamic range of 1000 to 1, PGA=1,2,4;integrator off 0.2 % typ Over a dynamic range of 3000 to 1, PGA=1,2,4; integrator off 0.1 %typ Over a dynamic range of 500 to 1, PGA = 8, 16; integrator on Phase Error Between Channels Line frequency = 45 Hz to 65 Hz, HPF on PF = 0.8 Capacitive ±0.05 °max Phase lead 37° PF = 0.5 Inductive ±0.05 °max Phase lag 60° AC Power Supply Rejection TBD Conditions Output Frequency Variation 0.01 % typ DC Power Supply Rejection TBD Conditions Output Frequency Variation 0.01 % typ Total Active Energy Measurement Bandwidth 2 kHz typ REACTIVE ENERGY MEASUREMENT Total Reactive Energy Measurement Error (per Phase) 0.1 % typ Over a dynamic range of 1000 to 1, PGA=1,2,4;integrator off 0.2 % typ Over a dynamic range of 3000 to 1, PGA=1,2,4;integrator off 0.1 %typ Over a dynamic range of 500 to 1, PGA = 8, 16; integrator on Phase Error Between Channels Line frequency = 45 Hz to 65 Hz, HPF on PF = 0.8 Capacitive ±0.05 °max Phase lead 37° PF = 0.5 Inductive ±0.05 °max Phase lag 60° AC Power Supply Rejection TBD Conditions Output Frequency Variation 0.01 % typ DC Power Supply Rejection TBD Conditions Output Frequency Variation 0.01 % typ Total Reactive Energy Measurement Bandwidth 2 kHz typ RMS MEASUREMENTS IRMS and VRMS Measurement Bandwidth 2 kHz typ IRMS and VRMS Measurement Error (PSM0 mode3) 0.1 % typ Over a dynamic range of 1000:1, PGA=1 ANALOG INPUTS Maximum Signal Levels ±500 mV peak, Max Differential inputs: IAP-IAN, IBP-IBN, ICP-ICN Single ended inputs: VAP-VN, VBP-VN, VCP-VN Input Impedance (DC) 400 kΩ min ADC Offset Error ±25 mV max Uncalibrated error, see the Terminology section Gain Error ±4 % typ External 1.2 V reference WAVEFORM SAMPLING Sampling CLKIN/2048, 16.384 MHz/2048 = 8 kSPS Current and Voltage Channels See Waveform Sampling Mode chapter Signal-to-Noise Ratio 55 dB typ Signal-to-Noise Plus Distortion 62 dB typ Bandwidth (−3 dB) 2 kHz |
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