Manufacturer Part Number
AFE4490RHAR
Manufacturer
Texas Instruments
Introduction
The AFE4490RHAR is a premier integrated Analog Front End (AFE) designed specifically for optical heart-rate monitoring and medical pulse oximetry applications.
Product Features and Performance
Integrated Low Noise Receive Channel
Dedicated Ambient Light Cancellation (ALC) circuit
Integrated LED driver for pulse oximetry and heart rate monitoring
Programmable sample rate and LED current for power savings
Advanced diagnostics for system integrity checking
Product Advantages
High precision 22-bit ADC for accurate signal capture
Low power consumption enhances battery life in wearable devices
Flexible LED driver supports multiple wavelengths for versatile applications
Compact 40-VFQFN package suitable for space-constrained applications
Key Technical Parameters
Number of Bits: 22
Number of Channels: 1
Voltage Supply, Analog: 2V ~ 3.6V
Voltage Supply, Digital: 2V ~ 3.6V
Mounting Type: Surface Mount
Package / Case: 40-VFQFN Exposed Pad
Quality and Safety Features
Built-in LED fault detection ensures safe operation
Over-temperature protection for long-term reliability
Compatibility
Designed for seamless integration with microcontrollers for data processing
Flexible interface options support a wide range of system architectures
Application Areas
Wearable devices for health monitoring
Clinical-grade pulse oximeters
Fitness tracking devices
Product Lifecycle
Currently Active
Future support and upgrades related to this product line are anticipated, securing long-term utility
Several Key Reasons to Choose This Product
Texas Instruments' reputation for high-quality and reliable components
Enables the development of smaller, power-efficient, and accurate health monitoring devices
Comprehensive technical support and documentation from Texas Instruments
Flexibility in application design, supporting both consumer and medical-grade devices
Competitive edge in rapid development of health technology products due to ease of integration and feature-rich capabilities
AFE4491ZRCTTexas InstrumentsIC ANALOG FRONT END BGA