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ADS8327IRSAR Datasheet(PDF) 6 Page - Texas Instruments |
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ADS8327IRSAR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 51 page ADS8327 ADS8328 SLAS415E – APRIL 2006 – REVISED JANUARY 2011 www.ti.com SPECIFICATIONS TA = –40°C to 85°C, +VA = 4.5 V to 5.5 V, +VBD = 1.65 V to 5.5 V, VREF = 4.096 V, and fSAMPLE = 500 kHz, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage (1) +IN – (–IN) or (+INx – COM) 0 +VREF V +IN, +IN0, +IN1 AGND – 0.2 +VA + 0.2 Absolute input voltage V –IN or COM AGND – 0.2 AGND + 0.2 Input capacitance 40 45 pF No ongoing conversion, Input leakage current –1 1 nA DC Input At dc 109 Input channel isolation, ADS8328 only dB VI = ±1.25 VPP at 50 kHz 101 SYSTEM PERFORMANCE Resolution 16 Bits No missing codes 16 Bits ADS8327IB, –2 ±1.5 2 ADS8328IB INL Integral linearity LSB(2) ADS8327I, ADS8328I –3 ±2 3 ADS8327IB, –1 ±0.7 1 Differential ADS8328IB DNL LSB(2) linearity ADS8327I, ADS8328I –1 ±1 2 ADS8327IB, –1 ±0.4 1 ADS8328IB EO Offset error(3) mV ADS8327I, ADS8328I –1.25 ±0.4 1.25 Offset error drift 0.5 ppm/ °C EG Gain error –0.25 –0.07 0.25 %FSR Gain error drift 0.3 ppm/ °C At dc 70 CMRR Common-mode rejection ratio dB VI = 1 VPP at 1 MHz 50 Noise 33 mV RMS PSRR Power-supply rejection ratio At FFFFh output code(3) 78 dB SAMPLING DYNAMICS tCONV Conversion time 18 CCLK tSAMPLE Manual trigger 3 1 Acquisition time CCLK tSAMPLE Auto trigger 3 2 Throughput rate 500 kHz Aperture delay 5 ns Aperture jitter 10 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) Measured relative to an ideal full-scale input [+IN – (–IN)] of 4.096 V when +VA = 5 V. 6 Submit Documentation Feedback © 2006–2011, Texas Instruments Incorporated Product Folder Link(s): ADS8327 ADS8328 |
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