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AD7714AN-3 датащи(PDF) 2 Page - Analog Devices |
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AD7714AN-3 датащи(HTML) 2 Page - Analog Devices |
2 / 40 page Parameter A Versions1 Units Conditions/Comments STATIC PERFORMANCE No Missing Codes 24 Bits min Guaranteed by Design. Bipolar Mode. For Filter Notches ≤ 60 Hz 22 Bits min For Filter Notch = 100 Hz 18 Bits min For Filter Notch = 250 Hz 15 Bits min For Filter Notch = 500 Hz 12 Bits min For Filter Notch = 1 kHz Output Noise See Tables I to IV Depends on Filter Cutoffs and Selected Gain Integral Nonlinearity ±0.0015 % of FSR max Filter Notches ≤ 60 Hz Unipolar Offset Error See Note 2 Unipolar Offset Drift3 0.5 µV/°C typ For Gains of 1, 2, 4 0.3 µV/°C typ For Gains of 8, 16, 32, 64, 128 Bipolar Zero Error See Note 2 Bipolar Zero Drift3 0.5 µV/°C typ For Gains of 1, 2, 4 0.3 µV/°C typ For Gains of 8, 16, 32, 64, 128 Positive Full-Scale Error4 See Note 2 Full-Scale Drift 3, 5 0.5 µV/°C typ For Gains of 1, 2, 4 0.3 µV/°C typ For Gains of 8, 16, 32, 64, 128 Gain Error6 See Note 2 Gain Drift3, 7 0.5 ppm of FSR/ °C typ Bipolar Negative Full-Scale Error ±0.0015 % of FSR max Typically ±0.0004% Bipolar Negative Full-Scale Drift 3 1 µV/°C typ For Gains of 1, 2, 4 0.6 µV/°C typ For Gains of 8, 16, 32, 64, 128 ANALOG INPUTS/REFERENCE INPUTS Specifications for AIN and REF IN Unless Noted Input Common-Mode Rejection (CMR) 90 dB min At DC. Typically 102 dB Normal-Mode 50 Hz Rejection8 100 dB min For Filter Notches of 10 Hz, 25 Hz, 50 Hz, ±0.02 × f NOTCH Normal-Mode 60 Hz Rejection 8 100 dB min For Filter Notches of 10 Hz, 30 Hz, 60 Hz, ±0.02 × f NOTCH Common-Mode 50 Hz Rejection8 150 dB min For Filter Notches of 10 Hz, 25 Hz, 50 Hz, ±0.02 × f NOTCH Common-Mode 60 Hz Rejection8 150 dB min For Filter Notches of 10 Hz, 30 Hz, 60 Hz, ±0.02 × f NOTCH Common-Mode Voltage Range9 AGND to AVDD V min to V max AIN for BUFFER = 0 and REF IN Absolute AIN/REF IN Voltage9 AGND – 30 mV V min AIN for BUFFER = 0 and REF IN AVDD + 30 mV V max Absolute/Common-Mode AIN Voltage9 AGND + 50 mV V min BUFFER = 1. A Version AVDD – 1.5 V V max AIN Input Current8 1 nA max A Version AIN Sampling Capacitance8 7 pF max AIN Differential Voltage Range 10 0 to +VREF/GAIN 11 nom Unipolar Input Range (B/U Bit of Filter High Register = 1) ±V REF/GAIN nom Bipolar Input Range (B/U Bit of Filter High Register = 0) AIN Input Sampling Rate, fS GAIN × f CLK IN/64 For Gains of 1, 2, 4 fCLK IN/8 For Gains of 8, 16, 32, 64, 128 REF IN(+) – REF IN(–) Voltage +2.5 V nom ±1% for Specified Performance. Functional with Lower V REF REF IN Input Sampling Rate, fS fCLK IN/64 LOGIC INPUTS Input Current ±10 µA max All Inputs Except MCLK IN VINL, Input Low Voltage 0.8 V max DVDD = +5 V VINL, Input Low Voltage 0.4 V max DVDD = +3.3 V VINH, Input High Voltage 2.4 V min DVDD = +5 V VINH, Input High Voltage 2.0 V min DVDD = +3.3 V MCLK IN Only VINL, Input Low Voltage 0.8 V max DVDD = +5 V VINL, Input Low Voltage 0.4 V max DVDD = +3.3 V VINH, Input High Voltage 3.5 V min DVDD = +5 V VINH, Input High Voltage 2.5 V min DVDD = +3.3 V LOGIC OUTPUTS (Including MCLK OUT) VOL, Output Low Voltage 0.4 V max ISINK = 800 µA Except for MCLK OUT. 12 DV DD = +5 V VOL, Output Low Voltage 0.4 V max ISINK = 100 µA Except for MCLK OUT.12 DV DD = +3.3 V VOH, Output High Voltage 4.0 V min ISOURCE = 200 µA Except for MCLK OUT. 12 DV DD = +5 V VOH, Output High Voltage DVDD – 0.6 V V min ISOURCE = 100 µA Except for MCLK OUT. 12 DV DD = +3.3 V Floating State Leakage Current ±10 µA max Floating State Output Capacitance13 9 pF typ Data Output Coding Binary Unipolar Mode Offset Binary Bipolar Mode NOTES 1Temperature range is as follows: A Versions: –40 °C to +85°C. 2A calibration is effectively a conversion so these errors will be of the order of the conversion noise shown in Tables I to IV. This applies after calibration at the temperature of interest. 3Recalibration at any temperature will remove these drift errors. 4Positive Full-Scale Error includes Zero-Scale Errors (Unipolar Offset Error or Bipolar Zero Error) and applies to both unipolar and bipolar input ranges. 5Full-Scale Drift includes Zero-Scale Drift (Unipolar Offset Drift or Bipolar Zero Drift) and applies to both unipolar and bipolar input ranges. 6Gain Error does not include Zero-Scale Errors. It is calculated as Full-Scale Error—Unipolar Offset Error for unipolar ranges and Full-Scale Error—Bipolar Zero Error for bipolar ranges. AD7714-5–SPECIFICATIONS (AV DD = +5 V, DVDD = +3.3 V or +5 V, REF IN(+) = +2.5 V; REF IN(–) = AGND; fCLK IN = 2.4576 MHz unless otherwise noted. All specifications TMIN to TMAX unless otherwise noted.) REV. C –2– |
Аналогичный номер детали - AD7714AN-3 |
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Аналогичное описание - AD7714AN-3 |
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