Precision ADCs

Broad portfolio of SAR and delta-sigma ADCs with easy-to-use design resources

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Our analog-to-digital converters (ADCs) offer as much as 32-bit resolution to deliver unmatched accuracy, faster throughput, and low power consumption in a compact footprint. Offered in a variety of successive approximation register (SAR) and delta-sigma architectures, our ADCs have the flexibility and reliability you need for your most demanding applications.

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Featured precision ADCs

Precision ADCs design & development

Accelerate your design process with our powerful tools and resources. From concept to production, we make it easy to optimize your analog signal-chain performance.

Hardware

Search the precision ADC parametric table to find the best device for your application needs. arrow-right

Software

Evaluate the functionality of analog circuits with the PSpice® for TI design and simulation environment. arrow-right

TI Developer Zone

Search our repository of firmware examples for controlling, configuring, reading and interacting with our products. arrow-right

Educational resources

Learn how to take full advantage of the features and performance of ADCs in these educational videos. arrow-right

Design tools

Use the analog circuit calculator to accelerate repetitive calculations that analog circuit design engineers use regularly. arrow-right

E2E

Check out the TI E2E™ design support forums for help throughout every step of the design process. arrow-right

Design & development resources

Calculation tool
Analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

Design tool
Precision ADC Github
A collection of firmware examples for controlling, configuring, reading, and interacting with TI precision ADCs. You will find example firmware for micro-controller applications which configure and operate precision ADCs.
Application software & framework
Temperature-sensor (RTD, thermocouple, thermistor) firmware for precision ADCs

This temperature-sensor linearization firmware provides a software routine for measuring and linearizing most common temperature sensors, including resistance temperature detectors (RTDs), thermocouples, thermistors (NTC, PTC, etc.) and analog temperature sensors.

This software includes an (...)

Reference designs related to Precision ADCs

Use our reference design selection tool to find designs that best match your application and parameters.

ADS9212
Precision ADCs

18-bit, 8MSPS, dual simultaneous-sampling ADC with integrated analog

Approx. price (USD) 1ku | 28

ADS127L21B
Precision ADCs

24bit, 512kSPS wide-bandwidth delta-sigma ADC with high-linearity of 0.8 ppm max INL

Approx. price (USD) 1ku | 20

ADS9815
Precision ADCs

Eight-channel, 18-bit, 1-MSPS/ch dual simultaneous-sampling ADC with integrated analog front end

Approx. price (USD) 1ku | 17.5

ADS8681W
Precision ADCs

16-bit, 1MSPS, one-channel, wide bandwidth SAR ADC with programmable input ranges on +5V supply

Approx. price (USD) 1ku | 5

ADS9227
Precision ADCs

Two-channel, simultaneous-sampling, 16-bit 5-MSPS SAR ADC with fully-differential ADC input driver

Approx. price (USD) 1ku | 22

ADS9218
Precision ADCs

Two-channel, simultaneous-sampling, 18-bit 10-MSPS SAR ADC with fully-differential ADC input driver

Approx. price (USD) 1ku | 45

Precision ADCs for all your design needs

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Achieve superior precision

Process and generate higher-quality data with our ADCs, ensuring end-to-end accuracy in your application through lower noise, higher resolution and lower drift across wider temperature ranges.

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Maximize system bandwidth

Convert high-resolution data at low latency with our high-throughput, precision ADCs for a faster update rate and settling time to process more channels.

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Get more per milliwatt with low-power, precision ADC

Maximize battery life with our low-power precision ADCs featuring flexible power-down modes, autonomous alarm monitoring with microcontroller wake-up and low-voltage operation.

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Shrink your board

Achieve smaller size or higher channel density, while maintaining high performance, with some of the world’s tiniest ADCs. Our small-size package options include X2SON and WCSP.

Discover featured applications

Electricity meter
High resolution, simultaneous sampling ADCs for energy calculations in electricity metering.
Multiparameter patient monitoring
Low noise, high precision ADCs to measure flow, temperature, and pressure in medical applications.
Field transmitter
Precision ADCs designed to deliver strong DC performance in sensing applications for common process variables.

High resolution, simultaneous sampling ADCs for energy calculations in electricity metering.

Our high-accuracy simultaneous sampling ADCs are low power and come in very small packages. Use a precision ADC to gain flexibility in selecting the MCU while maintaining accurate energy consumption calculations.

  • Reliable calculations: high dynamic range (100dB) allowing for best in class accuracy
  • Enables efficient energy measurements: lower power consumption (3.3 mw)
  • Maximize board space: small (3mm x 3mm) QFN packages available 

Featured resources

PRODUCTS
  • ADS131M04 – Four-channel, 24-bit, 64-kSPS, simultaneous-sampling, delta-sigma ADC
  • ADS131M08 – 24-bit, 32-kSPS, 8-channel, simultaneous-sampling, delta-sigma ADC
TECHNICAL RESOURCES

Low noise, high precision ADCs to measure flow, temperature, and pressure in medical applications.

Use a Precision ADC with an integrated analog front-end and low-noise PGA to reduce signal chain complexity and size while measuring RTDs, thermocouples, thermistors, and bridge sensors in temperature and pressure sensing applications. 

  • Integrated analog front-end: reduce complexity of signal chain and size while maintaining precision
  • Provide reliable patient diagnostic information: Low noise (19 nVRMS at Gain = 128) and high precision (24-bits)

Featured resources

PRODUCTS
  • ADS124S08 – 24-bit, 4-kSPS, 12-ch delta-sigma ADC with PGA and voltage reference for sensor measurement
  • ADS1220 – 24-bit, 2-kSPS, four-channel, low-power, delta-sigma ADC with PGA, VREF, SPI and two IDACs
TECHNICAL RESOURCES

Precision ADCs designed to deliver strong DC performance in sensing applications for common process variables.

Field transmitters monitor process variables including temperature, pressure, weight, and others common in factory automation & control. TI’s Field transmitter ADCs feature strong DC performance at room temperature, along with performance across a wide operating temperature, and low quiescent current.

  • Flexibility in scaling power consumption and data-rate numbers: ADC power consumption scales linearly with data rate requirements of sensors.
  • High performance delivered: High resolution (24-bits) along with low-power (280μA) and very small packages.

Featured resources

REFERENCE DESIGNS
  • TIDA-00168 – Thermocouple AFE Using RTD or Integrated Temperature Sensor for Cold Junction Compensation (CJC)
  • TIDA-00095 – RTD Temperature Transmitter for 2-wire, 4 to 20-mA Current Loop Systems
  • TIDA-00189 – Isolated Loop Powered Thermocouple Transmitter Reference Design
PRODUCTS
  • ADS124S08 – 24-bit, 4-kSPS, 12-ch delta-sigma ADC with PGA and voltage reference for sensor measurement
  • ADS1220 – 24-bit, 2-kSPS, four-channel, low-power, delta-sigma ADC with PGA, VREF, SPI and two IDACs
  • ADS122C04 – 24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC with PGA, VREF, 2x IDACs & I2C interface
HARDWARE DEVELOPMENT
TECHNICAL RESOURCES
DESIGN TOOLS AND SIMULATION
  • PSPICE-FOR-TI – PSpice® for TI design and simulation tool
  • ADC-RTD-CONFIG-CALC – Resistance temperature detector (RTD) configuration calculator for precision ADCs
SOFTWARE DEVELOPMENT
  • ADC-TEMP-SENSOR-FW – Temperature-sensor (RTD, thermocouple, thermistor) firmware for precision ADCs

Technical resources

Application note
Application note
A Basic Guide to RTD Measurements (Rev. A)
Learn more about resistance temperature detectors (RTDs) which are sensors used to measure temperature. These sensors are the among the most accurate temperature sensors available covering large temperature ranges.
document-pdfAcrobat PDF
E-book
E-book
Analog Engineer’s Circuit Cookbook: Data Converters (Rev. A)
The Analog Engineer’s Circuit Cookbook: Data Converters provides analog-to-digital converter (ADC) and digital-to-analog converter (DAC) sub-circuit ideas that can be quickly adapted to meet your specific system needs.
document-pdfAcrobat PDF
Application note
Application note
A Basic Guide to Bridge Measurements (Rev. A)
Review this application note to review an overview of the bridge circuit, how bridges are used to measure different forces, how the ADC measurement is set up and what errors can arise in the measurement.
document-pdfAcrobat PDF