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ADS7029QDCURQ1 Datasheet(PDF) 5 Page - Texas Instruments |
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ADS7029QDCURQ1 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 32 page  5 ADS7029-Q1 www.ti.com SBAS811 – JANUARY 2017 Product Folder Links: ADS7029-Q1 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) Ideal input span; does not include gain or offset error. (2) LSB means least significant bit. (3) All specifications expressed in decibels (dB) refer to the full-scale input (FSR) and are tested with an input signal 0.5 dB below full-scale, unless otherwise specified. (4) Calculated on the first nine harmonics of the input frequency. (5) Digital voltage levels comply with the JESD8-7A standard for DVDD from 1.65 V to 1.95 V; see the Digital Voltage Levels section for more details. 6.5 Electrical Characteristics at TA = –40°C to 125°C, AVDD = 3 V, DVDD = 1.65 V to 3.6 V, fSAMPLE = 2 MSPS, and VAINM = 0 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage span(1) 0 AVDD V Absolute input voltage range AINP to GND –0.1 AVDD + 0.1 V AINM to GND –0.1 0.1 CS Sampling capacitance 15 pF SYSTEM PERFORMANCE Resolution 8 Bits NMC No missing codes 8 Bits INL Integral nonlinearity AVDD = 3 V –0.5 ±0.25 0.5 LSB(2) DNL Differential nonlinearity AVDD = 3 V –0.4 ±0.2 0.4 LSB EO Offset error ±0.5 LSB dVOS/dT Offset error drift with temperature ±25 ppm/°C EG Gain error AVDD = 3 V ±0.2 %FS Gain error drift with temperature No calibration ±25 ppm/°C SAMPLING DYNAMICS tACQ Acquisition time 120 ns Maximum throughput rate 32-MHz SCLK, AVDD = 2.35 V to 3.6 V 2 MHz DYNAMIC CHARACTERISTICS SNR Signal-to-noise ratio(3) fIN = 2 kHz, AVDD = 3 V 48.5 49 dB THD Total harmonic distortion(3)(4) fIN = 2 kHz, AVDD = 3 V –70 dB SINAD Signal-to-noise and distortion(3) fIN = 2 kHz, AVDD = 3 V 48.5 49 dB SFDR Spurious-free dynamic range(3) fIN = 2 kHz, AVDD = 3 V 75 dB BW(fp) Full-power bandwidth At –3 dB, AVDD = 3 V 25 MHz DIGITAL INPUT/OUTPUT (CMOS Logic Family) VIH High-level input voltage(5) 0.65 × DVDD DVDD + 0.3 V VIL Low-level input voltage(5) –0.3 0.35 × DVDD V VOH High-level output voltage(5) At Isource = 500 µA 0.8 × DVDD DVDD V At Isource = 2 mA DVDD – 0.45 DVDD VOL Low-level output voltage(5) At Isink = 500 µA 0 0.2 × DVDD V At Isink = 2 mA 0 0.45 POWER-SUPPLY REQUIREMENTS AVDD Analog supply voltage 2.35 3 3.6 V DVDD Digital I/O supply voltage 1.65 3 3.6 V IAVDD Analog supply current At 2 MSPS with AVDD = 3 V 335 370 µA IDVDD Digital supply current AVDD = 3 V, no load, no transitions 10 µA PD Power dissipation At 2 MSPS with AVDD = 3 V 1.005 1.11 mW |
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