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ADS8864IDRCR Datasheet(PDF) 3 Page - Texas Instruments |
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ADS8864IDRCR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 46 page ADS8864 www.ti.com SBAS572A – MAY 2013 – REVISED DECEMBER 2013 ELECTRICAL CHARACTERISTICS All minimum and maximum specifications are at TA = –40°C to +85°C, AVDD = 3 V, DVDD = 3 V, VREF = 5 V, and fSAMPLE = 400 kSPS, unless otherwise noted. Typical specifications are at TA = +25°C, AVDD = 3 V, and DVDD = 3 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input span(1) AINP – AINN 0 VREF V AINP –0.1 VREF + 0.1 V Operating input range(1) AINN –0.1 + 0.1 V CI Input capacitance AINP and AINN terminal to GND 59 pF Input leakage current During acquisition for dc input 5 nA SYSTEM PERFORMANCE Resolution 16 Bits NMC No missing codes 16 Bits DNL Differential linearity –0.99 ±0.6 1 LSB(2) INL Integral linearity(3) –2 ±0.8 2 LSB(2) EO Offset error(4) –4 ±1 4 mV Offset error drift with temperature ±1.5 µV/°C EG Gain error –0.01 ±0.005 0.01 %FSR Gain error drift with temperature ±0.15 ppm/°C CMRR Common-mode rejection ratio With common-mode input signal = 5 VPP at dc 90 100 dB PSRR Power-supply rejection ratio At mid-code 80 dB Transition noise 0.5 LSB SAMPLING DYNAMICS tconv Conversion time 500 1300 ns tACQ Acquisition time 1200 ns Maximum throughput rate 400 kHz with or without latency Aperture delay 4 ns Aperture jitter, RMS 5 ps Step response Settling to 16-bit accuracy 1200 ns Overvoltage recovery Settling to 16-bit accuracy 1200 ns (1) Ideal input span, does not include gain or offset error. (2) LSB = least significant bit. (3) This parameter is the endpoint INL, not best-fit. (4) Measured relative to actual measured reference. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: ADS8864 |
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