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AD7713AN Arkusz danych(PDF) 3 Page - Analog Devices |
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AD7713AN Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 29 page REV. D –2– AD7713–SPECIFICATIONS Parameter A, S Versions 1 Unit Conditions/Comments STATIC PERFORMANCE No Missing Codes 24 Bits min Guaranteed by Design. For Filter Notches ≤ 12 Hz. 22 Bits min For Filter Notch = 20 Hz. 18 Bits min For Filter Notch = 50 Hz. 15 Bits min For Filter Notch = 100 Hz. 12 Bits min For Filter Notch = 200 Hz. Output Noise See Tables I and II Depends on Filter Cutoffs and Selected Gain. Integral Nonlinearity ±0.0015 % of FSR max Filter Notches ≤ 12 Hz; Typically ±0.0003%. Positive Full-Scale Error 2, 3, 4 Full-Scale Drift 5 1 µV/°C typ For Gains of 1, 2. 0.3 µV/°C typ For Gains of 4, 8, 16, 32, 64, 128. Unipolar Offset Error 2, 4 Unipolar Offset Drift 5 0.5 µV/°C typ For Gains of 1, 2. 0.25 µV/°C typ For Gains of 4, 8, 16, 32, 64, 128. Bipolar Zero Error 2, 4 Bipolar Zero Drift 5 0.5 µV/°C typ For Gains of 1, 2. 0.25 µV/°C typ For Gains of 4, 8, 16, 32, 64, 128. Gain Drift 2 ppm/ °C typ Bipolar Negative Full-Scale Error 2 ±0.0004 % of FSR max Typically ±0.0006%. Bipolar Negative Full-Scale Drift 5 1 µV/°C typ For Gains of 1, 2. 0.3 µV/°C typ For Gains of 4, 8, 16, 32, 64, 128. ANALOG INPUTS Input Sampling Rate, fS See Table III 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. AIN1, AIN2 7 Input Voltage Range 8 For Normal Operation. Depends on Gain Selected. 0 to +VREF 9 V max Unipolar Input Range (B/U Bit of Control Register = 1). ±V REF V max Bipolar Input Range (B/U Bit of Control Register = 0). Common-Mode Rejection (CMR) 100 dB min At dc and AVDD = 5 V. 90 dB min At dc and AVDD = 10 V. 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 Sampling Capacitance 6 20 pF max AIN3 Input Voltage Range 0 to + 4 VREF V max For Normal Operation. Depends on Gain Selected. Gain Error 11 ±0.05 % typ Additional Error Contributed by Resistor Attenuator. Gain Drift 1 ppm/ °C typ Additional Drift Contributed by Resistor Attenuator. Offset Error 11 4 mV max Additional Error Contributed by Resistor Attenuator. Input Impedance 30 k Ω min (AVDD = 5 V 5%; DVDD = 5 V 5%; REF IN(+) = 2.5 V; REF IN(–) = AGND; MCLK IN = 2 MHz, unless otherwise noted. All specifications TMIN to TMAX, unless otherwise noted.) |
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