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ADE7903ARWZ-RL 데이터시트(PDF) 4 Page - Analog Devices

부품명 ADE7903ARWZ-RL
상세설명  3-Channel, Sigma-Delta ADC with SPI
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ADE7903
Data Sheet
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), unless
otherwise noted.
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 GND
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 GND
Maximum VM and IM Voltage
−25
+25
mV
Crosstalk
−90
dB
IP and IM inputs set to 0 V (GND) when V1P
and V2P inputs at full scale
−105
dB
V2P and VM inputs set to 0 V (GND) when IP and
V1P inputs at full scale; V1P and VM inputs set
to 0 V (GND) when IP and V2P inputs at full scale
Input Impedance to Ground (DC)
IP, IM, V1P, and V2P Pins
480
VM Pin
240
Current Channel ADC Offset Error
−2
mV
Voltage Channels ADC Offset Error
−35
mV
ADC Offset Drift over Temperature
±200
ppm/°C
V1 channel only
Gain Error
−4
+4
%
Gain Drift over Temperature
−135
+135
ppm/°C
Current channel
−85
+85
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 = GND
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
Rev. 0 | Page 4 of 28


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