Codecs

Highly integrated audio codecs combining ADCs and DACs for capture and playback.

Product	Description	Status	Analog Input Type	Analog Output Type	Channels In	Channels Out	Control Interface	ADC Dynamic Range (dB)	DAC Dynamic Range (dB)	ADC THD+N (dB)	DAC THD+N (dB)	Sample Rate (kHz)	Analog Power Supply (V)	Digital Power Supply (V)	Logic Power Supply (V)	Power Consumption (mW)	Operational Power Consumption (mW)	DSP Included	Target Market	Features	Package

CS4282P Datasheet	High-performance stereo audio codec	Active	Differential	Differential	2	2	SPI/I²C	123	129	-110	-115	768-768	3.3-3.3	3.3-3.3	1.8-3.3				Pro Audio	In: 123 dB dynamic range (A-weighted), –110 dB total harmonic distortion + noise, Hybrid gain control Out: 129 dB dynamic range (A-weighted), –115 dB total harmonic distortion + noise, Advanced digital filters	48 QFN
WM8963 Datasheet	Ultra-Low-Power Portable Codec with Speaker and Headphone Drivers	Active	Single-ended	Single-ended	2	2	SPI/I²C	94	98	-82	-85	96	1.7-2	1.2	1.8	6.1-26.5				VSS, HD bass, ReTune™, 3D, EQ, DRC, DMIC interface, programmable ALC & noise gate, HP/speaker amps, PLL, FLL	49 WLCSP
WM8994 Datasheet	Multi-channel Codec with Three Digital Audio Interfaces	Active	Single-ended; Differential	Single-ended; Differential	8	4	SPI/I²C	95	100	-82	-87	8-96	1.8-3.3	1-3.3	1.8-3.3		1.1-21.1			ReTune™ Mobile\|Parametric EQ\|Dynamic range controller\|ASRC\|Headphone and speaker amps\|Dual FLL\|I²S, Left-Justified, Right-Justified, or DSP audio interface\|I²C or SPI control interface	72 WLCSP
CS47L63 Datasheet	Low-Power Audio DSP with Microphone Interface and Mono Differential Headphone Driver	Active	Single-ended; Differential	Single-ended; Differential	4	1	SPI/I²C	99	108	-87	-93	8-192	1.8	1.2	1.8-3.3			Yes	Consumer	3 cores, 450 MIPS, 672kB memory, Master Hi-Fi Headphone/Earpiece Output/Line outputs, Mono Speaker output, SLimbus, digital audio, SPI and I²C interfaces, Multiple GPIO pins	61 WLCSP
CS48L32 Datasheet	Low-Power DSP with Microphone Interface and “Always on Voice” for Portable Audio Applications	Active	Differential	Differential	4	0	SPI	104		-88		8-192	1.8	1.2	1.8-3.3			Yes	Consumer		64 WLCSP; 64 QFN
CS47L35 Datasheet	Smart Codec with Low-Power Audio DSP	Active	Single-ended; Differential	Single-ended; Differential	6	4	SPI/I²C	101	115	-86	-93	8-192	1.8	1.2-1.8	1.8-3.3	2.4-759		Yes	Consumer	3 cores, 450 MIPS, 672kB memory, Master Hi-Fi Headphone/Earpiece Output/Line outputs, Mono Speaker output, SLimbus, digital audio, SPI and I²C interfaces, Multiple GPIO pins	101 WLCSP
CS42L92 Datasheet	Low Power, Hi-Fi Audio Codec with Four Headphone Drivers	Active	Differential	Differential	8	8	SPI/I²C	99	115	-88	-100	8-384	1.8	1.2	1.8-3.3	3.6-48.8					104 WLCSP
CS47L90 Datasheet	Low Power, Highly Integrated Audio Codec Featuring SmartHIFI™ for Mobile Playback	Active	Single-ended; Differential	Single-ended; Differential	7	6	SPI/I²C	98	115	-88	-93	8-192	1.8	1.2	1.8-3.3	3.1-76		Yes			173 WLCSP
WM8904 Datasheet	Ultra-Low-Power Codec for Portable Audio Applications	Active	Single-ended; Differential	Single-ended; Differential	2	2	SPI/I²C	91	96	-80	-86	8-96	1.71-2	1.2	1.8-3.3	7.81-8.81	7.81-8.81			ReTune™ Mobile parametric EQ, dynamic range controller, DMIC interface, HP amp, FLL	32 QFN; 36 WLCSP
WM8944 Datasheet	Mono Codec with Video Buffer	Active	Single-ended; Differential	Single-ended; Differential	1	1	SPI/I²C	94	96	-77	-78	8-48	2.4-3.6	1.8	1.8-3.3	9.9-54.7				AUX ADC, battery monitor	25 WLCSP

Design Resources

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Datasheet

CS42L51 Datasheet

DS679F3 | 2 MBApril 2020

Product Abstract

CS42L45 Product Abstract

PB1033R1 | 1 MBAugust 2026

Product Abstract

CS42L43B Product Abstract

PA1032R1 | 1 MBAugust 2026

Datasheet

CS42448 Datasheet

DS648F5 | 2 MBApril 2017

Datasheet

CS470xx Datasheet

DS787PP9 | 1 MBJuly 2012

Datasheet

CS4233B Datasheet

DS1437A3 | 3 MBOctober 2026

Datasheet

CS4233BSE Datasheet

DS1436A2 | 2 MBMay 2026

User Guide

CDB-PROAUDIO User Guide

DS1352R4 | 4 MBMay 2026

User Guide

DC4233BSE-CODEC User Guide

DS1464DB2 | 4 MBMay 2026

User Guide

DC4233S/B-CODEC User Guide

DS1453DB3 | 5 MBMay 2026

Datasheet

CS4233S Datasheet

DS1438A2 | 3 MBMay 2026

Datasheet

CS4244 Datasheet

DS900F2 | 2 MBOctober 2014

User Guide

CDB4244 Evaluation Board User Guide

DS900DB2 | 2 MBMarch 2011

Datasheet

CS42516 Datasheet

DS583F3 | 3 MBNovember 2021

User Guide

CS42518/16 Evaluation Board User Guide

DS584DB2 | 2 MBJanuary 2003

User Guide

CS42528 Reference Design User Guide

DS586RD2 | 2 MBMay 2003

Application Note

Analog Input Buffer Architectures

AN241REV1 | 752 KBOctober 2003

Application Note

Audio Conversion Systems Noise Calculations and Requirements

AN263REV1 | 177 KBOctober 2004

Application Note

Design Notes for a 2-Pole Filter with Differential Input

AN48REV2 | 117 KBMarch 2003

Errata

Errata: CS42516 Rev. D

ER583D2 | 131 KBOctober 2007

Datasheet

CS42518 Datasheet

DS584F3 | 3 MBNovember 2021

Errata

Errata: CS42518 Rev. D

ER584D2 | 130 KBOctober 2007

Datasheet

CS42526 Datasheet

DS585F3 | 3 MBNovember 2021

User Guide

CS42528/26 Evaluation Board User Guide

DS586DB2 | 2 MBJanuary 2003

Errata

Errata: CS42526 Rev. D

ER585D2 | 130 KBOctober 2007

Datasheet

CS42528 Datasheet

DS586F3 | 3 MBNovember 2021

Errata

Errata: CS42528 Rev. D

ER586D2 | 130 KBOctober 2007

CAD DIAGRAM

CS4271K-CZZ

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CAD DIAGRAM

CS4271K-CZZR

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CAD DIAGRAM

CS4271K-DZZ

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CAD DIAGRAM

CS4271K-DZZR

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Datasheet

CS4271 Datasheet

DS592F2 | 1 MBOctober 2021

User Guide

CS4271 Evaluation Board User Guide

DS592DB2 | 2 MBSeptember 2003

IBIS Model

CS4272 IBIS Model

(1.8V, 2.5V, 3.3V, 5.0V) | 82 KBJanuary 2006

CAD DIAGRAM

CS4272K-CZZR

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CAD DIAGRAM

CS4272K-DZZ

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CAD DIAGRAM

CS4272K-DZZR

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Datasheet

CS4272 Datasheet

DS593F2 | 1 MBOctober 2021

User Guide

CS4272 Evaluation Board User Guide

DS593DB2 | 2 MBSeptember 2003

CAD DIAGRAM

CS4282P-DN

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CAD DIAGRAM

CS4282P-DNR

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Datasheet

CS4282P Datasheet

DS1318F1 | 6 MBAugust 2025

User Guide

DC4282P-CODEC User Guide

DS1395DB1 | 4 MBJuly 2025

Schematic and Layout

DC4282P-CODEC Schematic and Layout

8 MBAugust 2025

Application Note

CS430xx Output Buffer/Filter Circuits

AN0679R1 | 305 KBAugust 2025

Application Note

CS530x Input Buffer/Filter Circuits

AN0556R1 | 393 KBJuly 2025

Application Note

CS530xP Hybrid Gain Control

AN0596R2 | 2 MBMarch 2026

Product Bulletin

CS4282P Product Bulletin

16 MBJune 2024

Datasheet

CS4282P Datasheet (Chinese)

DS1318F1 | 1 MBAugust 2025

Datasheet

CS4282P Datasheet (Japanese)

DS1318F1 | 1 MBAugust 2025

CAD DIAGRAM

CS42L42-CNZR

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CAD DIAGRAM

CS42L42-CWZR

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Datasheet

CS42L42 Datasheet

DS1083F8 | 5 MBAugust 2025

User Guide

CRD42L42-MFi Reference Design User Guide

2 MBJune 2016

User Guide

CS42L42 Evaluation Board User Guide

DS1083DB3 | 948 KBMay 2016

Application Note

Surface Mount Assembly Considerations for WLCSP Devices

AN397R1 | 428 KBNovember 2020

Application Note

QFN Package PCB Footprint and Soldering Guidelines

WAN_0118 | 740 KBSeptember 2014

Datasheet

CS42L92 Datasheet

DS1162F2 | 7 MBJanuary 2018

CAD DIAGRAM

CS47L24-CWZR

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Datasheet

CS47L24 Datasheet

Rev 4.1 | 3 MBJanuary 2017

Schematic and Layout

CDB47L24 M-1 Evaluation Board Resources

5 MBSeptember 2017

CAD DIAGRAM

CS47L35-CWZR

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Datasheet

CS47L35 Datasheet

DS1085F3 | 6 MBSeptember 2018

Schematic and Layout

CDB47L35 M-1 Evaluation Board Resources

Rev 2 | 2 MBSeptember 2017

Application Note

CS47L35 Example Power Up Timing

TN_0665 | 311 KBAugust 2017

CAD DIAGRAM

CS47L63-CWZR

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Datasheet

CS47L63 Datasheet

DS1249F2 | 7 MBJune 2021

CAD DIAGRAM

CS47L90-CWZR

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Datasheet

CS47L90 Datasheet

DS1105F3 | 8 MBJune 2018

Schematic and Layout

CDB47L90 M-1 Evaluation Board Resources

Rev 2 | 2 MBSeptember 2017

Datasheet

CS48L32 Datasheet

DS1219F4 | 6 MBNovember 2019

CAD DIAGRAM

WM8281ECS/R

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Datasheet

WM8281 Datasheet

Rev 4.2 | 5 MBJune 2018

Schematic and Layout

CDBWM8281 M1-1 Evaluation Board Resources

Rev 1 | 2 MBSeptember 2017

CAD DIAGRAM

WM8904CGEFL/RV

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CAD DIAGRAM

WM8904CGEFL/V

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CAD DIAGRAM

WM8904ECS/R

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Datasheet

WM8904 Datasheet

Rev 4.1 | 3 MBJuly 2018

User Guide

WM8904-6201-CS36-M-REV1 Example Configurations

Rev 1.0 | 2 MBAugust 2009

User Guide

WM8904-6201-FL32-M-REV1 Example Configurations

Rev 1.1 | 3 MBJuly 2009

Schematic and Layout

6201-EV1-REV3 Schematic and Layout

2 MBApril 2010

Schematic and Layout

WM8904-6201-FL32-M-REV1 Schematic and Layout

Rev 1.0 | 1 MBJuly 2009

Application Note

DRC Attack and Decay Times for Real Audio Signals

WAN_0247 | 148 KBSeptember 2010

Application Note

DRC Operation in Wolfson Audio Codecs

WAN_0215 | 230 KBMarch 2010

Application Note

External Component Requirements for Ground Referenced Outputs

WAN_0214 | 196 KBJuly 2009

Application Note

Impedance Compensation for Ground Referenced Outputs

WAN_0212 | 122 KBJuly 2009

Application Note

Decoupling and Layout Methodology for Wolfson DACs, ADCs and Codecs

WAN_0129 | 99 KBSeptember 2012

CAD DIAGRAM

WM8944BECS/R

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Datasheet

WM8944B Datasheet

Rev 4.4 | 3 MBJuly 2018

Schematic and Layout

6229-EV1-REV2 Schematic and Layout

Rev 2 | 2 MBJuly 2009

Schematic and Layout

WM8944B-6229-CS25-M-REV1 Schematic and Layout

REV 1 | 936 KBApril 2010

User Guide

WM894X-6229-CS36-M-REV1 Example Configurations

Rev 1.0 | 14 MBAugust 2009

Application Note

Implementing ReTune with Wolfson Audio Codecs

WAN_0218 | 2 MBAugust 2010

CAD DIAGRAM

WM8946ECS/R

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Datasheet

WM8946 Datasheet

v4.5 | 3 MBMay 2016

Schematic and Layout

WM8946-6229-CS36-M-REV1 Schematic and Layout

REV 1 | 1 MBJune 2009

Application Note

Setting the 3D-Stereo Enhancement Block in Wolfson Codecs

WAN_0225 | 257 KBAugust 2010

CAD DIAGRAM

WM8962BECSN/R

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Datasheet

WM8962B Datasheet

Rev 4.3 | 4 MBSeptember 2016

User Guide

WM8962 Customer Mini Board Example Configurations

3 MBJanuary 2011

Schematic and Layout

WM8962 Evaluation Board Schematic and Layout

3 MBSeptember 2010

Schematic and Layout

WM8962B-6243-CS49-M-REV1 Schematic Layout

v1.0 | 2 MBJanuary 2012

Application Note

Guidelines for Using W-CSP Packages and PCB Footprints

WAN_0202 | 714 KBJuly 2008

Application Note

HD Bass Operation in Wolfson Audio Codecs

WAN_0258 | 330 KBMay 2011

Application Note

Speaker Selection for Class D Output Drivers

WAN_0200 | 177 KBFebruary 2010

Application Note

WM8962 to WM8962B Migration Document

WAN_0276 | 201 KBJuly 2012

Datasheet

WM8963 Datasheet

Rev 4.2 | 5 MBAugust 2016

CAD DIAGRAM

WM8994ECS/R

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Datasheet

WM8994 Datasheet

5 MBJuly 2018

Schematic and Layout

WM8994-6220-CS72-M Schematic and Layout

REV2 | 1 MBSeptember 2009

Schematic and Layout

6220-EV1-REV1 Schematic and Layout

2 MBMay 2009

Datasheet

CS4207 Datasheet

DS880F4 | 941 KBAugust 2012

Datasheet

CS42432 Datasheet

DS673F5 | 2 MBApril 2017

Datasheet

CS42435 Datasheet

DS685F5 | 2 MBApril 2017

Datasheet

CS42436 Datasheet

DS647F4 | 2 MBApril 2017

Datasheet

CS42438 Datasheet

DS646F5 | 2 MBApril 2017

Datasheet

CS4245 Datasheet

DS656F5 | 2 MBOctober 2022

Datasheet

CS4265 Datasheet

DS657F6 | 2 MBOctober 2021

Datasheet

CS4270 Datasheet

DS686F2 | 2 MBMarch 2021

Datasheet

CS42888 Datasheet

DS717F4 | 2 MBApril 2017

Datasheet

CS42L52 Datasheet

DS680F2 | 3 MBMarch 2013

Datasheet

CS42L56 Datasheet

DS851F2 | 4 MBApril 2014

Datasheet

WM8734 Datasheet

Rev 4.4 | 459 KBAugust 2013

Datasheet

WM8940 Datasheet

v4.4 | 1 MBJanuary 2022

Datasheet

WM8958 Datasheet

Rev 3.5 | 4 MBMarch 2014

Datasheet

WM8998 Datasheet

Rev 4.1 | 4 MBJanuary 2017

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