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ADS7822
  • ADS7822
  • ADS7822
  • ADS7822

ADS7822

ACTIVE

12-Bit, 200kSPS Micro Power Sampling Analog-To-Digital Converter

Texas Instruments ADS7822 Product Info

1 April 2026 2

Parameters

Resolution (Bits)

12

Sample rate (max) (ksps)

200

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Pseudo-Differential, Single-ended

Rating

Catalog

Reference mode

External

Input voltage range (max) (V)

5.25

Input voltage range (min) (V)

0

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

1.6

Analog supply voltage (min) (V)

4.75

Analog supply voltage (max) (V)

5.25

SNR (dB)

71

Digital supply (min) (V)

4.75

Digital supply (max) (V)

5.25

Package

SOIC (D)-8-29.4 mm² 4.9 x 6

Features

  • 200kHz Sampling Rate
  • microPower:
      1.6mW at 200kHz
      0.54mW at 75kHz
      0.06mW at 7.5kHz
  • Power Down: 3µA max
  • Mini-DIP-8, SO-8, and MSOP-8 Packages
  • Pseudo-Differential Input
  • Serial Interface
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multichannel Systems

All trademarks are the property of their respective owners.

  • 200kHz Sampling Rate
  • microPower:
      1.6mW at 200kHz
      0.54mW at 75kHz
      0.06mW at 7.5kHz
  • Power Down: 3µA max
  • Mini-DIP-8, SO-8, and MSOP-8 Packages
  • Pseudo-Differential Input
  • Serial Interface
  • APPLICATIONS
    • Battery-Operated Systems
    • Remote Data Acquisition
    • Isolated Data Acquisition
    • Simultaneous Sampling, Multichannel Systems

All trademarks are the property of their respective owners.

Description

The ADS7822 is a 12-bit sampling analog-to-digital (A/D) converter with ensured specifications over a 2.7V to 5.25V supply range. It requires very little power even when operating at the full 200kHz rate. At lower conversion rates, the high speed of the device enables it to spend most of its time in the power-down mode—the power dissipation is less than 60µW at 7.5kHz.

The ADS7822 also features operation from 2.0V to 5V, a synchronous serial interface, and a pseudo-differential input. The reference voltage can be set to any level within the range of 50mV to VCC.

Ultra low power and small size make the ADS7822 ideal for battery-operated systems. It is also a perfect fit for remote data-acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS7822 is available in a plastic mini-DIP-8, an SO-8, or an MSOP-8 package.

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