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.

Technologies

Documents

Application Notes

AN397-Surface Mount Assembly Considerations for WLCSP Devices

AN397R1 : 428 Kb

WAN-0118 Guidelines

WAN_0118 rev 2.5 : 740 kb

AN333 CS470xx Firmware User's Manual: General Overview

AN333RC16 : 849 Kb

WAN-0129 Decoupling and Layout Methodology for Wolfson DACs, ADCs and CODECs

WAN-0129 rev 1.1 : 99 Kb

WAN_0276 WM8962 to WM8962B Migration Document

WAN0276 rev 1.1 : 196 Kb

WAN_0258 HD Bass Operation in Wolfson Audio CODECs

WAN0258 rev 1.1 : 321 Kb

AN348 Getting Started with the Audio DSP Evaluation Kits from Cirrus Logic

AN348REV2 : 1058 Kb

WAN_0247 DRC Attack and Decay Times for Real Audio Signals

WAN0247 rev 1.0 : 145 Kb

WAN_0240 I²S USB Audio Streaming

WAN0240 rev 1.0 : 1187 Kb

WAN_0218 Implementing ReTune™ with Wolfson Audio CODECs

WAN0218 rev 1.1 : 1882 Kb

WAN_0225 Setting the 3D-Stereo Enhancement Block in Wolfson CODECs

WAN0225 rev 1.1 : 241 Kb

WAN_0215 DRC Operation in Wolfson Audio CODECs

WAN0215 rev 1.0 : 218 Kb

WAN_0200 Speaker Selection for Class D Output Drivers

WAN0200 rev 1.0 : 172 Kb

WAN_0212 Impedance Compensation (Zobel Network) for Ground Referenced Outputs

WAN0212 rev 1.0 : 121 Kb

WAN_0214 External Component Requirements for Ground Referenced Outputs

WAN0214 rev 1.0 : 193 Kb

WAN_0202 Guidelines on How to Use W-CSP Packages and Create Associated PCB Footprints

WAN0202 rev 1.0 : 675 Kb

WAN_0197 Improving the PSRR in Wolfson CODECs

WAN0197 rev 1.0 : 130 Kb

AN301 Time Division Multiplexed Audio Interface: A Tutorial

AN301REV1 : 140 Kb

AN263 Audio Conversion Systems Noise Calculations and Requirements

AN263REV1 : 120 Kb

AN241 Analog Input Buffer Architectures

AN241REV1 : 716 Kb

AN048 Design Notes for a 2-Pole Filter with Differential Input

AN48REV2 : 105 Kb

AN022 Overview of Digital Audio Interface Data Structures

AN22REV2 : 117 Kb

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White Papers

Unleashing the Audio Potential of Smartphones

1033 Kb

Continuous-Time Converter Architectures for Integrated Audio Processors

DS870WP1 : 663 Kb

Software/Tools

Device Pack for CS47L24

v1.1.8 : 12.8 Mb

Device Pack for CS47L35

v2.2.16 : 7.5 Mb

CS47L63 Setup

RevA 1.0.57 : 7.5 Mb

Download FlexGUI Software

WM8946 Setup

Rev1.4 : 1.6 Mb

WM8998 Setup

Rev2.2 : 5 Mb

WISCE Setup

v3.12.0.5 : 43.2 Mb

WISCE Development Tools Suite

WM8944B Setup

Rev 1.5 : 1.5Mb

Device Pack for WM8958

v2.1 : 25.1Mb

HD Audio driver for CDB4207 (Windows 10, 64-bit only)

v6.6001.4.02 : 418 KB

Device Pack for CS42L92

v1.0.2 : 12.6 Mb

HD Audio driver for CDB4207 (Windows 7/Windows 8/Windows 8.1, 32-bit and 64-bit)

v6.6001.3.39 : 3.6 Mb

Device Pack for WM8281

v1.4.7 : 27.8 Mb

Device Pack for CS47L90

v1.3.22 : 7.9 Mb

Device Pack for WM8904

v1.4 : 1393 Kb

CS42L73 IBIS Model

Rev 0 : 36 Kb

HD Audio driver for CDB4207 (Windows XP, 32-bit only)

v1.0.0.38 : 35 KB

CS4207 Linux Driver

kernel v2.6.30 and up

CS42L52 IBIS Model

(1.8V, 2.5V, 3.3V) : 80 Kb

CS4272 IBIS Model

(1.8V, 2.5V, 3.3V, 5.0V) : 80 Kb

WM8734 EV1S Evaluation Board Software

v3.0 : 1482 Kb

WM8734 EV2S Evaluation Board Software

v1.0 : 1705 Kb

Device Pack for WM8940EV1M

v1.2 : 1348 Kb

WM8962B Device Pack

v1.1 : 3930 Kb

Device Pack for WM8994EV1M

v3.0 : 14047 Kb

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Evaluation Resources

CDB42L73 Evaluation Board Data Sheet

DS882DB1 : 3445 Kb

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