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ADS8471

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16-bit 1-MSPS pseudo-differential SAR ADC with reference

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Data sheet

ADS8471

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 16 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type Byte-Wide, Parallel Architecture SAR Input type Pseudo-Differential, Single-ended Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.096 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 220 Analog supply voltage (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
Resolution (Bits) 16 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type Byte-Wide, Parallel Architecture SAR Input type Pseudo-Differential, Single-ended Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 4.096 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 220 Analog supply voltage (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) 48 49 mm² (7 mm × 7 mm)
  • 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
  • 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

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.

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.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 16-Bit, 1-MSPS, Pseudo-Bipolar, Unipolar Input, Micropower Sampling ADC datasheet Jul 21, 2006
White paper Voltage-reference impact on total harmonic distortion Aug 1, 2016
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015
Application note Determining Minimum Acquisition Times for SAR ADCs, part 2 Mar 17, 2011
Application note Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) Nov 10, 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Simulation model

ADS8471 IBIS Model

SLAM081.ZIP (756 KB) - IBIS model
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JITTER-SNR-CALC — Jitter and SNR calculator

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Design tool

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The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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VQFN (RGZ) 48 Ultra Librarian
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