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ADS8401 Fiches technique(PDF) 3 Page - Burr-Brown (TI) |
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ADS8401 Fiches technique(HTML) 3 Page - Burr-Brown (TI) |
3 / 10 page ADS8401 SLAS376B – DECEMBER 2002 – REVISED APRIL 2003 www.ti.com 3 SPECIFICATIONS TA = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1.25 MHz (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Analog Input Full-scale input voltage (see Note 1) +IN – –IN 0 Vref V Absolute input voltage +IN –0.2 Vref + 0.2 V Absolute input voltage –IN –0.2 0.2 V Input capacitance 25 pF Input leakage current 0.5 nA SystemPerformance Resolution 16 Bits No missing codes ADS8401I 15 Bits No missing codes ADS8401IB 16 Bits Integral linearity (see Notes 2 and 3) ADS8401I –6 ±2.5 6 LSB Integral linearity (see Notes 2 and 3) ADS8401IB –3.5 ±2 3.5 LSB Differentiallinearity ADS8401I –2 ±1 3 LSB Differentiallinearity ADS8401IB –1 ±0.75 2 LSB Offset error (see Note 4) ADS8401I –1.5 ±0.5 1.5 mV Offset error (see Note 4) ADS8401IB –0.75 ±0.25 0.75 mV Gain error (see Notes 4 and 5) ADS8401I –0.15 0.15 %FS Gain error (see Notes 4 and 5) ADS8401IB –0.098 0.098 %FS Noise 60 µV RMS DC Power supply rejection ratio At FFFFh output code, +VA = 4.75 V to 5.25 V, Vref = 4.096 V, See Note 4 2 LSB SamplingDynamics Conversion time 610 ns Acquisition time 150 ns Throughput rate 1.25 MHz Aperture delay 2 ns Aperture jitter 25 ps Step response 100 ns Overvoltage recovery 100 ns (1) Ideal input span, does not include gain or offset error. (2) LSB means least significant bit (3) This is endpoint INL, not best fit. (4) Measured relative to an ideal full-scale input (+IN – –IN) of 4.096 V (5) This specification does not include the internal reference voltage error and drift. |
Numéro de pièce similaire - ADS8401 |
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Description similaire - ADS8401 |
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