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AD7713AR-REEL7 데이터시트(PDF) 3 Page - Analog Devices |
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AD7713AR-REEL7 데이터시트(HTML) 3 Page - Analog Devices |
3 / 28 page REV. D AD7713 –3– Parameter A, S Versions 1 Unit Conditions/Comments REFERENCE INPUT REF IN(+) – REF IN(–) Voltage 2.5 to AVDD/1.8 V min to V max For Specified Performance. Part Is Functional with Lower VREF Voltages. Input Sampling Rate, fS fCLK IN/512 Normal-Mode 50 Hz Rejection 6 100 dB min For Filter Notches of 2 Hz, 5 Hz, 10 Hz, 25 Hz, 50 Hz, ±0.02 fNOTCH. Normal-Mode 60 Hz Rejection 6 100 dB min For Filter Notches of 2 Hz, 6 Hz, 10 Hz, 30 Hz, 60 Hz, ±0.02 fNOTCH. Common-Mode Rejection (CMR) 100 dB min At DC. Common-Mode 50 Hz Rejection 6 150 dB min For Filter Notches of 2 Hz, 5 Hz, 10 Hz, 25 Hz, 50 Hz, ±0.02 fNOTCH. Common-Mode 60 Hz Rejection 6 150 dB min For Filter Notches of 2 Hz, 6 Hz, 10 Hz, 30 Hz, 60 Hz, ±0.02 fNOTCH. Common-Mode Voltage Range 10 AGND to AVDD V min to V max DC Input Leakage Current @ 25 °C10 pA max TMIN to TMAX 1nA max LOGIC INPUTS Input Current ±10 µA max All Inputs Except MCLK IN VINL, Input Low Voltage 0.8 V max VINH, Input High Voltage 2.0 V min MCLK IN Only VINL, Input Low Voltage 0.8 V max VINH, Input High Voltage 3.5 V min LOGIC OUTPUTS VOL, Output Low Voltage 0.4 V max ISINK = 1.6 mA. VOH, Output High Voltage 4.0 V min ISOURCE = 100 µA. Floating State Leakage Current ±10 µA max Floating State Output Capacitance 12 9 pF typ TRANSDUCER BURN-OUT Current 1.2 µA nom Initial Tolerance @ 25 °C ±10 % typ Drift 0.1 %/ °C typ RTD EXCITATION CURRENTS (RTD1, RTD2) Output Current 200 µA nom Initial Tolerance @ 25 °C ±20 % max Drift 20 ppm/ °C typ Initial Matching @ 25 °C ±1% max Matching Between RTD1 and RTD2 Currents. Drift Matching 3 ppm/ °C typ Matching Between RTD1 and RTD2 Current Drift. Line Regulation (AVDD) 200 nA/V max AVDD = 5 V. Load Regulation 200 nA/V max SYSTEM CALIBRATION AIN1, AIN2 Positive Full-Scale Calibration Limit 13 +(1.05 VREF)/GAIN V max GAIN Is the Selected PGA Gain (Between 1 and 128). Negative Full-Scale Calibration Limit 13 –(1.05 VREF)/GAIN V max GAIN Is the Selected PGA Gain (Between 1 and 128). Offset Calibration Limit 14, 15 –(1.05 VREF)/GAIN V max GAIN Is the Selected PGA Gain (Between 1 and 128). Input Span 14 +(0.8 VREF)/GAIN V min GAIN Is the Selected PGA Gain (Between 1 and 128). +(2.1 VREF)/GAIN V max GAIN Is the Selected PGA Gain (Between 1 and 128). |
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