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ADS8383 Datasheet(PDF) 3 Page - Texas Instruments |
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ADS8383 Datasheet(HTML) 3 Page - Texas Instruments |
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ADS8383 SLAS005B – DECEMBER 2002 – REVISED MAY 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 = 500 kHz (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 45 pF Input leakage current 1 nA SystemPerformance Resolution 18 Bits ADS8383I (+IN – –IN) < 0.5 FS 18 No missing codes ADS8383I (+IN – –IN) ≥ 0.5 FS 17 Bits No missing codes ADS8383IB 18 Bits (+IN – –IN) < 0.125 FS –4 4 Integral linearity (see Notes 2 and 3) ADS8383I (+IN – –IN) < 0.5 FS –6 6 LSB Integral linearity (see Notes 2 and 3) ADS8383I (+IN – –IN) ≥ 0.5 FS –10 10 LSB (18 bit) ADS8383IB –7 –2/3 7 () (+IN – –IN) < 0.125 FS –1 2 Differentiallinearity ADS8383I (+IN – –IN) < 0.5 FS –1 3 LSB (18 bit) Differentiallinearity ADS8383I (+IN – –IN) ≥ 0.5 FS –2 7 LSB (18 bit) ADS8383IB –1 –1/1.4 2.5 Offset error (see Note 4) ADS8383I –1 ±0.5 1 mV Offset error (see Note 4) ADS8383IB –0.75 ±0.25 0.75 mV Gain error (see Note 4) ADS8383I Vref = 4.096 V –0.1 0.1 %FS Gain error (see Note 4) ADS8383IB Vref = 4.096 V –0.06 0.06 %FS Noise 60 µV RMS Power supply rejection ratio At 3FFFFh output code 75 dB SamplingDynamics Conversion time 1.5 µs Acquisition time 0.4 µs Throughput rate 500 kHz Aperture delay 4 ns Aperture jitter 15 ps Step response 150 ns Over voltage recovery 150 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 |
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