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ADS8332IRGER Datasheet(PDF) 3 Page - Texas Instruments |
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ADS8332IRGER Datasheet(HTML) 3 Page - Texas Instruments |
3 / 40 page ADS8331 ADS8332 www.ti.com SBAS363 – DECEMBER 2009 ELECTRICAL CHARACTERISTICS: VA = 2.7V At TA = –40°C to +85°C, VA = 2.7V, VBD = 1.65V to 2.7V, VREF = 2.5V, and fSAMPLE = 500kSPS, unless otherwise noted. ADS8331I, ADS8332I ADS8331IB, ADS8332IB PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT ANALOG INPUT Full-scale input voltage (1) INX – COM, ADCIN – COM 0 VREF 0 VREF V INX, ADCIN AGND – 0.2 VA + 0.2 AGND – 0.2 VA + 0.2 V Absolute input voltage COM AGND – 0.2 AGND + 0.2 AGND – 0.2 AGND + 0.2 V Input capacitance ADCIN 40 45 40 45 pF Input leakage current Unselected ADC input –1 1 –1 1 nA SYSTEM PERFORMANCE Resolution 16 16 Bits No missing codes 16 16 Bits INL Integral linearity –3 ±2 3 –2 ±1.2 2 LSB(2) DNL Differential linearity –1 ±0.6 2 –1 ±0.6 1.5 LSB(2) EO Offset error(3) –0.5 ±0.15 0.5 –0.5 ±0.15 0.5 mV Offset error drift ±1 ±1 PPM/°C Offset error matching ±0.2 ±0.2 mV EG Gain error –0.25 –0.06 0.25 –0.25 –0.06 0.25 %FSR Gain error drift ±0.4 ±0.4 PPM/°C Gain error matching –0.003 0.003 –0.003 0.003 %FSR Transition noise 28 28 μV RMS PSRR Power-supply rejection ratio 74 74 dB SAMPLING DYNAMICS tCONV Conversion time 18 18 CCLK tSAMPLE1 Manual-Trigger mode 3 3 CCLK Acquisition time tSAMPLE2 Auto-Trigger mode 3 3 CCLK Throughput rate 500 500 kSPS Aperture delay 15 15 ns Aperture jitter 10 10 ps Step response 100 100 ns Overvoltage recovery 100 100 ns DYNAMIC CHARACTERISTICS VIN = 2.5VPP at 1kHz –101 –101 dB THD Total harmonic distortion (4) VIN = 2.5VPP at 10kHz –95 –95 dB VIN = 2.5VPP at 1kHz 88 89 dB SNR Signal-to-noise ratio VIN = 2.5VPP at 10kHz 86.5 87.5 dB VIN = 2.5VPP at 1kHz 87.5 88.5 dB SINAD Signal-to-noise + distortion VIN = 2.5VPP at 10kHz 86 87 dB VIN = 2.5VPP at 1kHz 103 103 dB SFDR Spurious-free dynamic range VIN = 2.5VPP at 10kHz 98 98 dB VIN = 2.5VPP at 1kHz 125 125 dB Crosstalk VIN = 2.5VPP at 100kHz 108 108 dB INX – COM with MUXOUT 17 17 MHz tied to ADCIN –3dB small-signal bandwidth ADCIN – COM 30 30 MHz (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 (INX – COM) of 2.5V when VA = 2.7V. (4) Calculated on the first nine harmonics of the input frequency. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): ADS8331 ADS8332 |
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