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ADS8319
  • ADS8319
  • ADS8319
  • ADS8319

ADS8319

ACTIVE

Precision 16-Bit SAR Analog-to-Digital Converter (ADC) With SPI Interface

Texas Instruments ADS8319 Product Info

1 April 2026 3

Parameters

Resolution (Bits)

16

Sample rate (max) (ksps)

500

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Single-ended

Rating

Catalog

Reference mode

External

Input voltage range (max) (V)

5.5

Input voltage range (min) (V)

0

Features

Daisy-Chainable, Small Size

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

18

Analog supply voltage (min) (V)

4.5

Analog supply voltage (max) (V)

5.5

SNR (dB)

93.9

Digital supply (min) (V)

2.375

Digital supply (max) (V)

5.5

Package

VSON (DRC)-10-9 mm² 3 x 3

Features

  • 500-kHz Sample Rate
  • 16-Bit Resolution
  • Zero Latency at Full Speed
  • Unipolar, Single-Ended Input Range: 0 V to VREF
  • SPI-Compatible Serial Interface With Daisy-Chain Option
  • Excellent Performance:
    • 93.6-dB SNR (Typical) at 10-kHz Input
    • –106-dB THD (Typical) at 10-kHz Input
    • ±1.5-LSB (Maximum) INL
    • ±1-LSB (Maximum) DNL
  • Low Power Dissipation: 18 mW (Typical) at 500 kSPS
  • Power Scales Linearly with Speed: 3.6 mW / 100 kSPS
  • Power Dissipation During Power-Down State: 0.25 µW (Typical)
  • 10-Pin VSSOP and VSON Packages
  • 500-kHz Sample Rate
  • 16-Bit Resolution
  • Zero Latency at Full Speed
  • Unipolar, Single-Ended Input Range: 0 V to VREF
  • SPI-Compatible Serial Interface With Daisy-Chain Option
  • Excellent Performance:
    • 93.6-dB SNR (Typical) at 10-kHz Input
    • –106-dB THD (Typical) at 10-kHz Input
    • ±1.5-LSB (Maximum) INL
    • ±1-LSB (Maximum) DNL
  • Low Power Dissipation: 18 mW (Typical) at 500 kSPS
  • Power Scales Linearly with Speed: 3.6 mW / 100 kSPS
  • Power Dissipation During Power-Down State: 0.25 µW (Typical)
  • 10-Pin VSSOP and VSON Packages

Description

The ADS8319 device is a 16-bit, 500-kSPS, analog-to-digital converter (ADC) that operates with a 2.25-V to 5.5-V external reference. The device includes a capacitor-based, successive-approximation register (SAR) ADC with inherent sample and hold.

The device includes a 50-MHz, SPI-compatible serial interface. The interface is designed to support daisy-chaining or cascading of multiple devices. Furthermore, a Busy Indicator makes synchronizing with the digital host easy.

The device unipolar, single-ended input range supports an input swing of 0 V to +VREF.

Device operation is optimized for very-low power operation and the power consumption directly scales with speed. This feature makes the device attractive for lower-speed applications. The device is available in 10-pin VSSOP and VSON packages.

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