ADS1294IPAGR - Texas Instruments

Manufacturer Part Number

ADS1294IPAGR

Manufacturer

Texas Instruments

Introduction

The ADS1294IPAGR is a multi-channel, 24-bit analog front-end for biopotential measurements from Texas Instruments, designed for data acquisition in medical and fitness applications.

Product Features and Performance

24-bit resolution for high-precision data acquisition

Four fully differential input channels

Simultaneous sampling rate up to 32 kSPS per channel

Low power consumption at 10.1 mW

On-chip oscillator and reference that simplify design

SPI-compatible serial interface for easy communication

Built-in programmable gain amplifier (PGA)

Internal RLD circuit for connection to right-leg drive electrode

Lead-off detection functionality

CMRR (Common Mode Rejection Ratio) that enhances signal quality

Product Advantages

High resolution and precision for accurate biopotential measurement

Multi-channel input allows monitoring of multiple signals

Low power consumption for portable and battery-powered applications

Integrated features reduce external component count

Flexible power supply requirements support varied system designs

Key Technical Parameters

Number of Bits: 24-bit resolution

Number of Channels: 4 differential channels

Power Consumption: 10.1 mW

Analog Supply Voltage: 2.7V to 5.5V

Digital Supply Voltage: 1.65V to 3.6V

Mounting Type: Surface Mount

Package: 64-TQFP

Quality and Safety Features

Comprehensive on-chip electrostatic discharge (ESD) protection

Built-in fault detection and data integrity checks

Robust thermal performance with specified operation from -40°C to +85°C

Compatibility

Compatible with various microcontrollers via SPI

Suitable for use with a variety of sensors due to wide input range

Application Areas

Medical monitoring equipment like ECG and EEG machines

Fitness and activity monitoring devices

Portable diagnostic and monitoring devices

Product Lifecycle

Currently active product status

Not indicated as nearing discontinuation

Availability of replacements or upgrades to newer versions should be verified with the manufacturer

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliability and quality in the semiconductor industry

The high-resolution 24-bit ADC provides precise readings for critical medical applications

Integration of multiple channels on a single chip saves on circuit complexity and space

Low power consumption makes it ideal for wearable and portable healthcare devices

Broad voltage supply range offers design flexibility for various system architectures

Comprehensive on-chip features reduce the need for external components and simplify system design