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ADE7913 数据表(PDF) 5 Page - Analog Devices |
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ADE7913 数据表(HTML) 5 Page - Analog Devices |
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5 / 44 page  Data Sheet ADE7912/ADE7913 Rev. 0 | Page 5 of 44 SPECIFICATIONS VDD = 3.3 V ± 10%, GND = 0 V, on-chip reference, XTAL1 = 4.096 MHz, TMIN to TMAX = −40°C to +85°C, TA = 25°C (typical). Table 1. Parameter Min Typ Max Unit Test Conditions/Comments ANALOG INPUTS1 Pseudo Differential Signal Voltage Range Between IP and IM Pins −31.25 +31.25 mV peak IM pin connected to GNDISO Pseudo Differential Signal Voltage Range Between V1P and VM Pins and Between V2P and VM Pins −500 +500 mV peak Pseudo differential inputs between V1P and VM pins and between V2P and VM pins; VM pin connected to GNDISO Maximum VM and IM Voltage −25 +25 mV Crosstalk −90 dB IP and IM inputs set to 0 V (GNDISO) when V1P and V2P inputs at full scale −105 dB V2P and VM inputs set to 0 V (GNDISO) when IP and V1P inputs at full scale; V1P and VM inputs set to 0 V (GNDISO) when IP and V2P inputs at full scale Input Impedance to GNDISO (DC) IP, IM, V1P, and V2P Pins 480 kΩ VM Pin 240 kΩ Current Channel ADC Offset Error −2 mV Voltage Channels ADC Offset Error −35 mV V2 channel applies to the ADE7913 only ADC Offset Drift over Temperature −500 +500 ppm/°C V1 channel only Gain Error −4 +4 % Gain Drift over Temperature −135 +135 ppm/°C Current channel −65 +65 ppm/°C V1 and V2 channels AC Power Supply Rejection, PSR −90 dB VDD = 3.3 V + 120 mV rms (50 Hz/100 Hz), IP = V1P = V2P = GNDISO DC Power Supply Rejection, PSR −80 dB VDD = 3.3 V ± 330 mV dc, IP = 6.25 mV rms, V1P = V2P = 100 mV rms TEMPERATURE SENSOR Accuracy ±5 °C WAVEFORM SAMPLING—CURRENT CHANNEL1 Signal-to-Noise Ratio, SNR 67 dBFS ADC_FREQ = 8 kHz, BW = 3300 Hz 68 dBFS ADC_FREQ = 8 kHz, BW = 2000 Hz 72 dBFS ADC_FREQ = 2 kHz, BW = 825 Hz 74 dBFS ADC_FREQ = 2 kHz, BW = 500 Hz Signal-to-Noise-and-Distortion Ratio, SINAD 66 dBFS ADC_FREQ = 8 kHz, BW = 3300 Hz 68 dBFS ADC_FREQ = 8 kHz, BW = 2000 Hz 72 dBFS ADC_FREQ = 2 kHz, BW = 825 Hz 73 dBFS ADC_FREQ = 2 kHz, BW = 500 Hz Total Harmonic Distortion, THD −79 dBFS ADC_FREQ = 8 kHz, BW = 3300 Hz −78 dBFS ADC_FREQ = 8 kHz, BW = 2000 Hz −82 dBFS ADC_FREQ = 2 kHz, BW = 825 Hz −82 dBFS ADC_FREQ = 2 kHz, BW = 500 Hz Spurious-Free Dynamic Range, SFDR 83 dBFS ADC_FREQ = 8 kHz, BW = 3300 Hz 83 dBFS ADC_FREQ = 8 kHz, BW = 2000 Hz 85 dBFS ADC_FREQ = 2 kHz, BW = 825 Hz 85 dBFS ADC_FREQ = 2 kHz, BW = 500 Hz VOLTAGE CHANNELS1 Signal-to-Noise Ratio, SNR 72 dBFS ADC_FREQ = 8 kHz, BW = 3300 Hz 74 dBFS ADC_FREQ = 8 kHz, BW = 2000 Hz 77 dBFS ADC_FREQ = 2 kHz, BW = 825 Hz 79 dBFS ADC_FREQ = 2 kHz, BW = 500 Hz |
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