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AD7195BCPZ-RL7 Scheda tecnica(PDF) 4 Page - Analog Devices |
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AD7195BCPZ-RL7 Scheda tecnica(HTML) 4 Page - Analog Devices |
4 / 45 page AD7195 Rev. 0 | Page 3 of 44 SPECIFICATIONS AVDD = 4.75 V to 5.25 V, DVDD = 2.7 V to 5.25 V, AGND = DGND = 0 V; REFIN(+) = AVDD, REFIN(−) = AGND, MCLK = 4.92 MHz, TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments1 ADC Output Data Rate 4.7 4800 Hz Chop disabled 1.17 1200 Hz Chop enabled, sinc4 filter 1.56 1600 Hz Chop enabled, sinc3 filter No Missing Codes2 24 Bits FS > 1, sinc4 filter3 24 Bits FS > 4, sinc3 filter3 Resolution See the RMS Noise and Resolution section RMS Noise and Output Data Rates See the RMS Noise and Resolution section Integral Nonlinearity Gain = 12 ±1 ±5 ppm of FSR Gain > 1 ±5 ±15 ppm of FSR Offset Error4, 5 ±75/gain μV Chop disabled ±0.5 μV Chop enabled Offset Error Drift vs. Temperature ±100/gain nV/°C Gain = 1 to 16; chop disabled ±5 nV/°C Gain = 32 to 128; chop disabled ±5 nV/°C Chop enabled Offset Error Drift vs. Time 25 nV/1000 hours Gain > 32 Gain Error4 ±0.001 ±0.005 % max AVDD = 5 V, gain = 1, TA = 25°C (factory calibration conditions) ±0.006 % Gain > 1, post internal full-scale calibration Gain Drift vs. Temperature ±1 ppm/°C Gain Drift vs. Time 10 ppm/1000 hours Gain = 1 Power Supply Rejection 95 dB Gain = 1, VIN = 1 V 98 103 Gain = 8, VIN = 1 V/gain 100 110 dB Gain > 8, VIN = 1 V/gain Common-Mode Rejection @ DC2 100 115 dB min Gain = 1, VIN = 1 V @ DC 115 140 dB min Gain > 1, VIN = 1 V/gain @ 50 Hz, 60 Hz2 120 dB 10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz @ 50 Hz, 60 Hz2 120 dB 50 ± 1 Hz (50 Hz output data rate), 60 ± 1 Hz (60 Hz output data rate) Normal Mode Rejection2 Sinc4 Filter Internal Clock @ 50 Hz, 60 Hz 100 dB 10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz 74 dB 50 Hz output data rate, REJ606 = 1, 50 ± 1 Hz, 60 ± 1 Hz @ 50 Hz 96 dB 50 Hz output data rate, 50 ± 1 Hz @ 60 Hz 97 dB 60 Hz output data rate, 60 ± 1 Hz External Clock @ 50 Hz, 60 Hz 120 dB 10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz 82 dB 50 Hz output data rate, REJ606 = 1, 50 ± 1 Hz, 60 ± 1 Hz @ 50 Hz 120 dB 50 Hz output data rate, 50 ± 1 Hz @ 60 Hz 120 dB 60 Hz output data rate, 60 ± 1 Hz Sinc3 Filter Internal Clock @ 50 Hz, 60 Hz 75 dB 10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz 60 dB 50 Hz output data rate, REJ606 = 1, 50 ± 1 Hz, 60 ± 1 Hz @ 50 Hz 70 dB 50 Hz output data rate, 50 ± 1 Hz @ 60 Hz 70 dB 60 Hz output data rate, 60 ± 1 Hz |
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