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ADS8372 Datasheet(PDF) 3 Page - Burr-Brown (TI) |
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ADS8372 Datasheet(HTML) 3 Page - Burr-Brown (TI) |
3 / 30 page www.ti.com SPECIFICATIONS ADS8472 SLAS514 – DECEMBER 2006 T A = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 1 MSPS (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage(1) +IN – (–IN) –Vref Vref V +IN –0.2 Vref + 0.2 Absolute input voltage V –IN –0.2 Vref + 0.2 Common-mode input range (Vref)/2 – 0.2 (Vref)/2 (Vref)/2 + 0.2 V Input capacitance 65 pF Input leakage current 1 nA SYSTEM PERFORMANCE Resolution 16 Bits ADS8472I 16 No missing codes Bits ADS8472IB 16 ADS8472I –1 ±0.4 1 LSB Integral linearity (2) (16 bit)(3) ADS8472IB –0.65 ±0.4 0.65 ADS8472I –0.75 ±0.3 0.75 LSB Differential linearity (16 bit) ADS8472IB –0.5 ±0.3 0.5 ADS8472I –0.5 ±0.1 0.5 Offset error(4) mV ADS8472IB –0.5 ±0.1 0.5 ADS8472I ±0.05 Offset error temperature drift ppm/ °C ADS8472IB ±0.05 ADS8472I Vref = 4.096 V –0.1 ±0.035 0.1 %FS Gain error(4)(5) ADS8472IB Vref = 4.096 V –0.1 ±0.035 0.1 %FS ADS8472I ±0.4 Gain error temperature drift ppm/ °C ADS8472IB ±0.4 At dc ( ±0.2 V around V ref/2) 65 Common-mode rejection ratio dB +IN – (–IN) = 1 Vpp at 1 MHz 55 Noise 25 µV RMS Power supply rejection ratio At 1FFFFh output code 60 dB SAMPLING DYNAMICS Conversion time 625 650 ns Acquisition time 320 350 ns Throughput rate 1 MHz Aperture delay 4 ns Aperture jitter 5 ps Step response 150 ns Over voltage recovery 150 ns (1) Ideal input span, does not include gain or offset error. (2) This is endpoint INL, not best fit. (3) LSB means least significant bit (4) Measured relative to an ideal full-scale input [+IN – (–IN)] of 8.192 V (5) This specification does not include the internal reference voltage error and drift. 3 Submit Documentation Feedback |
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