Manufacturer Part Number
CS43L21-CNZ
Manufacturer
Cirrus Logic
Introduction
The CS43L21 is a high-performance, low-power, stereo audio digital-to-analog converter (DAC) designed for portable audio applications. It provides a comprehensive feature set, including sample rate conversion, digital volume control, and programmable filters, making it an ideal choice for a wide range of audio applications.
Product Features and Performance
24-bit, 96 kHz stereo DAC
Low power consumption: 8 mW typical at 3.3V
Programmable digital filters with selectable roll-off characteristics
Integrated sample rate converter with configurable input sample rates
Digital volume control with 0.5 dB steps
Integrated headphone amplifier with programmable gain
Integrated power-up/down pop and click suppression
Configurable through a simple 2-wire serial interface
Product Advantages
High-performance audio conversion with low power consumption
Flexible configuration options for different audio applications
Integrated features reduce external component count and system complexity
Small package size (32-VFQFN) suitable for portable devices
Key Reasons to Choose This Product
Optimized for portable audio applications with excellent power efficiency
Comprehensive feature set to simplify audio system design
Robust and reliable performance with Cirrus Logic's renowned audio expertise
Cost-effective solution for high-quality audio in compact devices
Quality and Safety Features
Manufactured in an ISO 9001 certified facility
Compliant with RoHS and REACH regulations
Automotive-grade version available for in-vehicle applications
Compatibility
The CS43L21 is compatible with a wide range of microcontrollers and digital signal processors (DSPs) that support a standard 2-wire serial interface.
Application Areas
Smartphones and tablets
Portable media players
Bluetooth headsets and speakers
Automotive infotainment systems
Home audio equipment
Product Lifecycle
The CS43L21 is a current production device and is not nearing discontinuation. Equivalent or alternative models are available, such as the CS42448 and CS42L71, which offer similar features and performance. For more information, please contact our sales team through our website.