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TI(德州仪器) ADS8471
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  • TI(德州仪器) ADS8471
  • TI(德州仪器) ADS8471
  • TI(德州仪器) ADS8471
  • TI(德州仪器) ADS8471
  • TI(德州仪器) ADS8471
  • TI(德州仪器) ADS8471
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ADS8471

ADS8471

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具有基准的 16 位 1MSPS 伪差分 SAR ADC

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The ADS8471 is an 16-bit, 1-MSPS A/D converter with an internal 4.096-V reference and a pseudo-bipolar, unipolar input. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8471 offers a full 16-bit interface or an 8-bit bus option using two read cycles.

The ADS8471 is available in a 48-lead 7x7 QFN package and is characterized over the industrial –40°C to 85°C temperature range.

  • 0 to 1 MSPS Sampling Rate
  • ±0.7 LSB Typ, ±1 LSB Max INL
  • ±0.4 LSB Typ, ±0.75 LSB Max DNL
  • 16-Bit NMC Ensured Over Temperature
  • ±0.1 mV Offset Error
  • ±0.15 ppm/°C Offset Error Drift
  • ±0.015% FSR Gain Error
  • ±0.7 ppm/°C Gain Error Drift
  • 93 dB SNR, –110dB THD, 112dB SFDR
  • Zero Latency
  • Low Power: 220 mW at 1 MSPS
  • Unipolar Input Range: 0 V to Vref
  • Onboard Reference
  • Onboard Reference Buffer
  • High-Speed Parallel Interface
  • Wide Digital Supply 2.7 V ~ 5.25 V
  • 8-/16-Bit Bus Transfer
  • 48-Pin 7×7 QFN Package
  • APPLICATIONS
    • Medical Instruments
    • Optical Networking
    • Transducer Interface
    • High Accuracy Data Acquisition Systems
    • Magnetometers

Resolution (Bits)16
Sample rate (max) (ksps)1000
Number of input channels1
Interface typeByte-Wide, Parallel
ArchitectureSAR
Input typePseudo-Differential, Single-ended
RatingCatalog
Reference modeExternal, Internal
Input voltage range (max) (V)4.096
Input voltage range (min) (V)0
FeaturesOscillator
Operating temperature range (°C)-40 to 85
Power consumption (typ) (mW)220
Analog supply (min) (V)4.75
Analog supply voltage (max) (V)5.25
SNR (dB)93
Digital supply (min) (V)2.7
Digital supply (max) (V)5.25
VQFN (RGZ)4849 mm² 7 x 7
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