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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tube |
Number of Bits 24
Sampling Rate (Per Second) 16k
Number of Inputs 4
Input Type Differential
Data Interface SPI
Configuration MUX-PGA-ADC
Ratio - S/H:ADC -
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features PGA
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ADS1211U from Texas Instruments is a 24-bit delta-sigma analog-to-digital converter (ADC) designed for high-precision measurement applications. With 4 input channels and a built-in multiplexer and programmable gain amplifier, it offers flexibility for multi-sensor systems. The device supports a sampling rate of 16k SPS and communicates via an SPI interface. It operates over -40°C to 85°C and is available in a 24-SOIC package, making it ideal for industrial, medical, and instrumentation applications.

  • Ultra-High Resolution: 24-bit resolution provides exceptional accuracy for demanding measurement applications.
  • Multi-Channel Input: 4 channels with built-in MUX allow simultaneous monitoring of multiple signals.
  • Programmable Gain Amplifier: PGA enables signal conditioning for a wide range of input levels.
  • Flexible Reference: Supports both external and internal references for design flexibility.
  • SPI Interface: Easy integration with microcontrollers and digital signal processors.

Multi-Channel Sensor Monitoring

The ADS1211U's 4 input channels and 24-bit resolution make it perfect for monitoring multiple sensors simultaneously, such as in environmental monitoring stations or industrial process control.

High-Precision Weighing Scales

With its delta-sigma architecture and programmable gain amplifier, the ADS1211U delivers the precision required for high-accuracy weighing scales and force measurement systems.

Data Acquisition Systems

The device's SPI interface and multiplexed inputs simplify the design of multi-channel data acquisition systems for laboratory and industrial use.

Medical Instrumentation

In medical devices like ECG or EEG monitors, the ADS1211U's high resolution and low noise ensure accurate capture of bio-potential signals.

Industrial Automation

The ADS1211U's wide temperature range and external/internal reference options make it suitable for industrial automation systems requiring reliable, high-precision analog-to-digital conversion.

Q: What type of ADC is the ADS1211U?
A: The ADS1211U is a 24-bit delta-sigma analog-to-digital converter with a multiplexer and programmable gain amplifier (MUX-PGA-ADC).
Q: What is the resolution of the ADS1211U?
A: It provides 24-bit resolution, offering extremely high precision for measurement applications.
Q: What is the sampling rate of the ADS1211U?
A: The maximum sampling rate is 16k SPS (samples per second).
Q: How many input channels does the ADS1211U have?
A: It features 4 input channels, allowing multiplexed measurement of multiple signals.
Q: What interface does the ADS1211U use?
A: It uses a serial peripheral interface (SPI) for communication.
Q: What is the package type?
A: It comes in a 24-SOIC (7.50mm width) package, suitable for through-hole or surface-mount assembly.
Base Product Number : ADS1211
16k SPS 24-bit 24-SOIC 4-channel ADC ADS1211 Analog-to-Digital Converter SPI Texas Instruments
Q: What type of ADC is the ADS1211U?
A: The ADS1211U is a 24-bit delta-sigma analog-to-digital converter with a multiplexer and programmable gain amplifier (MUX-PGA-ADC).
Q: What is the resolution of the ADS1211U?
A: It provides 24-bit resolution, offering extremely high precision for measurement applications.
Q: What is the sampling rate of the ADS1211U?
A: The maximum sampling rate is 16k SPS (samples per second).
Q: How many input channels does the ADS1211U have?
A: It features 4 input channels, allowing multiplexed measurement of multiple signals.
Q: What interface does the ADS1211U use?
A: It uses a serial peripheral interface (SPI) for communication.
Q: What is the package type?
A: It comes in a 24-SOIC (7.50mm width) package, suitable for through-hole or surface-mount assembly.