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ADE75 데이터시트(PDF) 7 Page - Analog Devices |
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ADE75 데이터시트(HTML) 7 Page - Analog Devices |
7 / 148 page Preliminary Technical Data ADE75xx/ADE71xx Rev. PrE | Page 7 of 148 ADE75XX/ADE71XX—SPECIFICATIONS Table 1. (VDD = 3.3 V ± 5%, AGND = DGND = 0 V, On-Chip Reference, XTAL = 32.768kHz, TMIN to TMAX = –40°C to +85°C) Parameter Min Typ Max Unit Test Conditions/Comments ENERGY METERING MEASUREMENT ACCURACY1 Phase Error between Channels (PF = 0.8 Capacitive) ±0.05 ° Phase lead 37° (PF = 0.5 Inductive) ±0.05 ° Phase lag 60° Active Energy Measurement Error2 0.1 % of reading Over a dynamic range of 1000 to 1 @25C AC Power Supply Rejection2 VDD = 3.3 V + 100 mV rms/120 Hz Output Frequency Variation 0.01 % IP = VP = ±100 mV rms DC Power Supply Rejection2 VDD = 3.3 V ± 117 mV dc Output Frequency Variation 0.01 % IP = VP = ±100 mV rms Active Energy Measurement Bandwidth1, 2 14 kHz Reactive Energy Measurement Error2 0.5 % of reading Over a dynamic range of 1000 to 1 @25C VRMS Measurement Error2 0.5 % of reading Over a dynamic range of 100 to 1 @25C VRMS Measurement Bandwidth1, 2 14 kHz IRMS Measurement Error2 0.5 % of reading Over a dynamic range of 1000 to 1 @25C IRMS Measurement Bandwidth1, 2 14 kHz ANALOG INPUTS VP – VN, IA – IN and IB – IN Maximum Signal Levels ±500 mV peak Differential input Input Impedance (DC) TBD kΩ Bandwidth (–3 dB)1 14 kHz ADC Offset Error2 1 mV Gain Error2 Current channel Range = 0.5 V Full scale ±4 % Current channel = 0.5V dc Range = 0.25 V Full scale ±4 % Current channel = 0.25V dc Range = 0.125 V Full scale ±4 % Current channel = 0.125V dc Voltage channel ±4 % Voltage channel = 0.5V dc Gain Error Match2 ±3 % CF1 and CF2 pulse output Maximum output frequency 21.1 kHz VP-VN = IAP-IN=500mV peak sine wave Duty cycle 50 % If CF1 or CF2 frequency > 5.55Hz Active High pulse width 90 ms If CF1 or CF2 frequency < 5.55Hz FAULT Detection Fault Detection Threshold Inactive Input <> Active Input 6.25 %, of larger IA or IB active Input Swap Threshold Inactive Input <> Active Input 6.25 % of larger IA or IB active Accuracy Fault Mode Operation IA Active, IB = AGND 0.1 % of reading Over a dynamic range of 500 to 1 IB Active, IA = AGND 0.1 % of reading Over a dynamic range of 500 to 1 Fault Detection Delay 3 Seconds Swap Delay 3 Seconds ANALOG PERIPHERALS |
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