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AD7172-4BCPZ-RL Arkusz danych(PDF) 4 Page - Analog Devices |
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AD7172-4BCPZ-RL Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 61 page AD7172-4 Data Sheet Rev. A | Page 4 of 61 SPECIFICATIONS AVDD1 = 3.0 V to 5.5 V, AVDD2 = IOVDD = 2 V to 5.5 V, AVSS = DGND = 0 V, REF+ = 2.5 V, REF− = AVSS, MCLK = internal master clock = 2 MHz, TA = TMIN to TMAX (−40°C to +105°C), unless otherwise noted. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit ADC SPEED AND PERFORMANCE Output Data Rate (ODR) 1.25 31,250 SPS No Missing Codes1 Excluding sinc3 filter ≥ 15 kSPS 24 Bits Resolution See Table 6 and Table 7 Noise See Table 6 and Table 7 ACCURACY Integral Nonlinearity (INL) ±2 ±5.2 ppm of FSR Offset Error2 Internal short ±75 µV Offset Drift Internal short ±230 nV/°C Gain Error2 AVDD1 = 5 V ±5 ±45 ppm of FSR Gain Drift ±0.2 ±0.5 ppm/°C REJECTION Power Supply Rejection AVDD1, AVDD2, VIN = 1 V 98 dB Common-Mode Rejection VIN = 0.1 V At DC 95 dB At 50 Hz, 60 Hz1 20 Hz output data rate (postfilter), 50 Hz ± 1 Hz and 60 Hz ± 1 Hz 120 dB Normal Mode Rejection1 50 Hz ± 1 Hz and 60 Hz ± 1 Hz Internal clock, 20 SPS ODR (postfilter) 71 90 dB External clock, 20 SPS ODR (postfilter) 85 90 dB ANALOG INPUTS Differential Input Range VREF = (REF+) − (REF−) ±VREF V Absolute Voltage Limits1 Input Buffers Disabled AVSS − 0.05 AVDD1 + 0.05 V Input Buffers Enabled AVSS AVDD1 V Analog Input Current Input Buffers Disabled Input Current ±6 µA/V Input Current Drift ±0.45 nA/V/°C Input Buffers Enabled Input Current ±5.5 nA Input Current Drift ±0.1 nA/°C Crosstalk 1 kHz input −120 dB REFERENCE INPUTS Differential Input Range VREF = (REF+) − (REF−) 1 2.5 AVDD1 V Absolute Voltage Limits1 Input Buffers Disabled AVSS − 0.05 AVDD1 + 0.05 V Input Buffers Enabled AVSS AVDD1 V REFIN Input Current Input Buffers Disabled Input Current ±9 µA/V Input Current Drift External clock ±0.75 nA/V/°C Internal clock ±1 nA/V/°C Input Buffers Enabled Input Current ±100 nA Input Current Drift ±2.5 nA/°C Normal Mode Rejection1 See the Rejection parameter Common-Mode Rejection 95 dB BURNOUT CURRENTS Source/Sink Current Analog input buffers must be enabled ±10 µA |
Podobny numer części - AD7172-4BCPZ-RL |
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Podobny opis - AD7172-4BCPZ-RL |
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