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ADE7880 数据表(PDF) 4 Page - Analog Devices |
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ADE7880 数据表(HTML) 4 Page - Analog Devices |
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4 / 104 page  ADE7880 Data Sheet Rev. A | Page 4 of 104 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 Min Typ Max Unit Test Conditions/Comments ACTIVE ENERGY MEASUREMENT Active Energy Measurement Error (per Phase) Total Active Energy 0.1 % Over a dynamic range of 1000 to 1, PGA = 1, 2, 4; integrator off, pf = 1, gain compensation only 0.2 % Over a dynamic range of 5000 to 1, PGA = 1, 2, 4; integrator off, pf = 1 0.1 % Over a dynamic range of 500 to 1, PGA = 8, 16; integrator on, pf = 1, gain compensation only 0.2 % Over a dynamic range of 2000 to 1, PGA = 8, 16; integrator on, pf = 1 Fundamental Active Energy 0.1 % Over a dynamic range of 1000 to 1, PGA = 1, 2, 4; integrator off, pf = 1, gain compensation only 0.2 % Over a dynamic range of 5000 to 1, PGA = 1, 2, 4; integrator off, pf = 1 0.1 % Over a dynamic range of 500 to 1, PGA = 8, 16; integrator on, pf = 1, gain compensation only 0.2 % Over a dynamic range of 2000 to 1, PGA = 8, 16; integrator on, pf = 1 Phase Error Between Channels Line frequency = 45 Hz to 65 Hz, HPF on Power Factor (PF) = 0.8 Capacitive ±0.05 Degrees Phase lead 37° PF = 0.5 Inductive ±0.05 Degrees Phase lag 60° AC Power Supply Rejection VDD = 3.3 V + 120 mV rms/120 Hz, IPx = VPx = ±100 mV rms Output Frequency Variation 0.01 % DC Power Supply Rejection VDD = 3.3 V ± 330 mV dc Output Frequency Variation 0.01 % Total Active Energy Measurement Bandwidth (−3 dB) 3.3 kHz REACTIVE ENERGY MEASUREMENT Reactive Energy Measurement Error (per Phase) Fundamental Reactive Energy 0.1 % Over a dynamic range of 1000 to 1, PGA = 1, 2, 4; integrator off, pf = 0, gain compensation only 0.2 % Over a dynamic range of 5000 to 1, PGA = 1, 2, 4; integrator off, pf = 0 0.1 % Over a dynamic range of 500 to 1, PGA = 8, 16; integrator on, pf = 0, gain compensation only 0.2 % Over a dynamic range of 2000 to 1, PGA = 8, 16; integrator on, pf = 0 Phase Error Between Channels Line frequency = 45 Hz to 65 Hz, HPF on PF = 0.8 Capacitive ±0.05 Degrees Phase lead 37° PF = 0.5 Inductive ±0.05 Degrees Phase lag 60° AC Power Supply Rejection VDD = 3.3 V + 120 mV rms/120 Hz, IPx = VPx = ± 100 mV rms Output Frequency Variation 0.01 % DC Power Supply Rejection VDD = 3.3 V ± 330 mV dc |
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