PC Codec with Headphone, MIC Interface and Class D Speaker Drivers
The CS42L43 is an audio codec with integrated MIPI SoundWire® interface (Version 1.2.1 compliant), I2C, SPI, and I2S/ TDM interfaces designed for portable applications. It provides a high dynamic range, stereo DAC for headphone output, two integrated Class D amplifiers for loudspeakers, and two ADCs for wired headset microphone input or stereo line input. PDM inputs are provided for digital microphones.
CS42L43 is an SDCA 1.0 compliant PC Codec. CS42L43 is approved for use with multiple SOCs such as Intel Lunar Lake.
Technologies
Features
- 2W Stereo D-AMP
- Automatic headset detect (CTIA/OMTP)
- 4ch DMIC
- SoundWire with SDCA support
- I2S / I2C interfaces
- SPI Master
- S/PDIF
- Security
Parametric Specifications
| DACs | 4 |
| ADCs | 2 |
| DAC THD+N (dB) | -93 |
| ADC THD+N (dB) | -82 |
| Sample Rate (kHz) | 8-192 |
| Analog Power Supply (V) | 3.3-5 |
| Power Consumption (mW) | 1.6 |
| Package | 70 WLCSP, 88 QFN |
Technical Documents
CS42L43 Product Brief
Sep 1, 2024, PB1018R4 : 1.8 MBPress Releases
2024
Feb 05
Cirrus Logic, Intel, and Microsoft Announce Latest Reference Design to Enable “Cool, Quiet, and High Performance” PCs
The new platform offers reduced heat generation, immersive audio, and a scalable design
2023
Aug 02
Cirrus Logic Helps Ease PC Industry Transition to New MIPI SoundWire® Interface
New Cirrus Logic audio amplifier/codec solution is part of SoundWire-ready Intel® reference design offering PC OEMs a scalable, frustration-free migration to new audio specification
Jun 01
Cirrus Logic Brings Immersive Audio to PC Market
PC-specific audio solution from Cirrus Logic combines smart amplifier and low-power codec for enhanced speaker and headphone listening experience