Audio Codecs

Audio codec products from Cirrus Logic include stereo codecs and multi-channel codecs for surround sound applications. These products combine audio ADCs and DACs into single ICs designed to provide maximum flexibility, features and performance.

Documents

Application Notes

WAN_0276 WM8962 to WM8962B Migration Document

Jul 1, 2012, WAN0276 rev 1.1 : 196 Kb

WAN_0258 HD Bass Operation in Wolfson Audio CODECs

May 1, 2011, WAN0258 rev 1.1 : 321 Kb

WAN_0240 I²S USB Audio Streaming

Sep 1, 2010, WAN0240 rev 1.0 : 1187 Kb

WAN_0247 DRC Attack and Decay Times for Real Audio Signals

Sep 1, 2010, WAN0247 rev 1.0 : 145 Kb

WAN_0218 Implementing ReTune™ with Wolfson Audio CODECs

Aug 1, 2010, WAN0218 rev 1.1 : 1882 Kb

WAN_0215 DRC Operation in Wolfson Audio CODECs

Mar 1, 2010, WAN0215 rev 1.0 : 218 Kb

WAN_0200 Speaker Selection for Class D Output Drivers

Feb 1, 2010, WAN0200 rev 1.0 : 172 Kb

WAN_0197 Improving the PSRR in Wolfson CODECs

Jun 1, 2008, WAN0197 rev 1.0 : 130 Kb

WAN_0117 WM8731/L Audio CODEC Supported Sampling Rates

Nov 1, 2007, WAN-0117 rev 1.5 : 151 Kb

WAN_0187 WM9715L Interrupts and Pinout

May 1, 2007, WAN0187 rev 1.0 : 116 Kb

WAN_0140 ALC for Portable Applications

Mar 1, 2007, WAN0140 rev 1.2 : 436 Kb

WAN_0178 Suggested ALC Settings for Portable Devices

Feb 1, 2007, WAN0178 rev 1.0 : 81 Kb

WAN_0181 Class D Headphone Filter Component Selection

Aug 1, 2006, WAN0181 rev 1.0 : 112 Kb

WAN_0182 WM9713/14 - Inverting the Jack Detect GPIO Logic

Jul 1, 2006, WAN0182 rev 1.0 : 69 Kb

WAN_0177 WM8750 Headphone Detect Switch-Over Delay

Dec 1, 2005, WAN0177 rev 1.0 : 56 Kb

WAN_0159 WM9711/12 Power Management Using Pin 47

Mar 1, 2005, WAN0159 rev 1.1 : 57 Kb

WAN-0143 ADA and MASK Timing on WM9712

Mar 1, 2004, WAN0143 rev 1.0 : 61 Kb

WAN_0141 WM8750/51L and WM9711/12L Speaker Drivers

Jan 1, 2004, WAN0141 rev 1.2 : 92 Kb

AN241 Analog Input Buffer Architectures

Nov 1, 2003, AN241REV1 : 716 Kb

WAN_0135 WM9712 GPIO IRQ Control and Sequencing

Jul 1, 2003, WAN0135 rev 1.2 : 57 Kb

WAN_0111 WM8731 Suggested Power-On/Off Sequence

May 1, 2001, WAN-0111 rev 1.1 : 52 Kb

AN165 CS4297A/CS4299 EMI Reduction Techniques

May 1, 2000, AN165REV1 : 56 Kb

AN153 Compatibility Between CS4299 and AD1881

Jun 1, 1999, AN153REV1 : 209 Kb
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White Papers

Class D Amplifiers Empower Mobile Multimedia

Sep 1, 2006, Rev 1.0 : 144 Kb

Class D Basics

Sep 1, 2006, Rev 1.0 : 67 Kb

Getting the Most Out of Your Battery

Sep 1, 2006, Rev 1.0 : 181 Kb

Class D Audio Design Tips

Jan 1, 2006, n/a : 325 Kb

Audio 4 Smartphones

n/a : 172 Kb

Software/Tools

Device Pack for CS47L24

Sep 26, 2017, v1.1.4 : 12.7 Mb

Device Pack for CS47L35

Sep 26, 2017, v2.2.9 : 7.5 Mb

Device Pack for CS47L85

Sep 26, 2017, v2.4.1 : 7.6 Mb

Device Pack for WM8281

Sep 26, 2017, v1.4.7 : 27.8 Mb

Device Pack for CS47L90

Sep 26, 2017, v1.3.22 : 7.9 Mb

Device Pack for WM8904

May 4, 2015, v1.4 : 1393 Kb

WM5102 Setup

Feb 4, 2015, Rev 2.9 : 15661 Kb

CS42L73 IBIS Model

Sep 15, 2011, Rev 0 : 36 Kb

CS4207 Linux Driver

Jan 28, 2010, kernel v2.6.30 and up

CS42L52 IBIS Model

Feb 22, 2007, (1.8V, 2.5V, 3.3V) : 80 Kb

CS4272 IBIS Model

Jan 26, 2006, (1.8V, 2.5V, 3.3V, 5.0V) : 80 Kb

IBIS Model for the CS4299 and CS4297A

Jan 1, 2001, SW-4299 : 44 Kb

WM5102-6271-cs137-m-sch-rev203

Rev 2.0.3 : 1445 Kb

WM9715EVM Device Pack

v1.1 : 1365 Kb

WM8776-EV1S

v1.1 : 1752 Kb

WM8962B Device Pack

v1.1 : 3930 Kb

WM8962 Device Pack

v3.1 : 3781 Kb

Device Pack for WM8978EV1

v1.2 : 1349 Kb

Device Pack for WM8983EV1

v1.1 : 1349 Kb

Device Pack for WM8994EV1M

v3.0 : 14047 Kb

Device Pack for WM9712

v1.0 : 1364 Kb

WISCE Setup

v3.8.1.2 : 40.3 Mb
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