AFE4490RHAT - Texas Instruments

Manufacturer Part Number

AFE4490RHAT

Manufacturer

Texas Instruments

Introduction

The AFE4490RHAT is an integrated Analog Front End (AFE) optimized for medical applications such as pulse oximetry.

Product Features and Performance

High-resolution 22-bit data conversion

Integrated LED driver for pulse oximetry applications

Supports synchronized multi-device sampling

Low power consumption for battery-powered devices

Fully integrated analog signal chain for simplified design

Product Advantages

Precision biomedical signal acquisition

Robust noise immunity for accurate measurements

Suitable for use in portable medical devices

Key Technical Parameters

Number of Bits: 22

Number of Channels: 1

Voltage - Supply, Analog: 2V to 3.6V

Voltage - Supply, Digital: 2V to 3.6V

Mounting Type: Surface Mount

Package / Case: 40-VFQFN Exposed Pad

Supplier Device Package: 40-VQFN (6x6)

Quality and Safety Features

Built-in calibration circuits

Proven Texas Instruments quality and reliability

Complies with medical industry safety standards

Compatibility

Compatible with SPI communication interfaces

Designed for seamless integration with microcontrollers

Application Areas

Medical pulse oximetry

Heart rate monitoring

Wearable health devices

Patient monitoring systems

Product Lifecycle

Active product status, not nearing discontinuation

Replacement and upgrade options available through Texas Instruments

Several Key Reasons to Choose This Product

State-of-the-art accuracy in signal acquisition for medical devices

Integration of multiple functions reduces system complexity

Flexible design compatibility with various microcontrollers

Extensive support and documentation from Texas Instruments

Reliable performance in critical health monitoring applications