Mobile Audio Solutions Guide Advanced Signal Processing Components Cirrus Logic Mobile Audio Solutions Guide World-Class Audio Leadership Cirrus Logic is the leading supplier of hardware and software solutions for audio signal processing from voice capture to audio playback in the newest technology found in mobile, consumer and automotive applications. We Don’t Just Give You a Chip. We Give You the Complete Audio Solution. Best-in-Class Hardware With a complete portfolio of products throughout the audio signal chain — from voice capture to audio playback — Cirrus Logic gives you ICs optimized for superior features and performance. Cirrus Logic’s portfolio of best-in-class, ultra low power ICs includes MEMS microphones, smart integrated codecs, audio DSPs, A/D and D/A converters and Class-D audio amplifiers. MEMS Microphones Audio Codecs Audio DSP Audio Amplifiers EM B ED D ED S O F T WA R E Best-in-Class Software Cirrus Logic’s patented SoundClear® software technology elevates the clarity and quality of the audio signal to enhance voice quality, voice capture, speech recognition and audio playback. SoundClear® software is designed to be both flexible and robust to improve voice quality and speech recognition performance by eliminating noise through advanced processing features, such as noise suppression, ASR Enhance™ and echo cancelation. Smartphones4 Tablets6 Voice Processors 8 Wearables10 ® SoundClear Software 11 SoundClear® Software Boards and Tools 12 Cirrus Logic Mobile Audio Solutions Guide 1 Audio Components Smart Codecs Portable Codecs Voice Processors Boosted Amplifiers HiFi D/A Converters Multi-Mic A /D Converters MEMS Microphones 2 • Low power, “always on” voice trigger • 120 dB SNR ultra high performance playback • Up to 600 MIPS multi-core audio signal processor • Stereo Adaptive Ambient Noise Cancelation (ANC) • Integrated 24-bit, 192 kHz HiFi codec • SLIMbus audio and control interface • Superior input and playback performance • Support for digital and analog microphone interfaces • Low power sleep mode, smart accessory detect • Choice of features, performance, digital interfaces and packages allows a wide range of system architectures • High-performance, fixedfunction voice DSP • Flexible audio I/O and serial control interfaces • Ultra low power consumption (0.1 mW/MHz) • Small form factor, WLCSP and QFN packages • Class-D architecture with high efficiency and low idle power consumption • Intelligent Class-G/H boost converter for longest battery life • • Up to 8 V boost with 3.5 W into 8 ohm @ 1% THD+N Field proven speaker protection algorithms • Stereo 24-bit, 192 kHz, up to 128 dB dynamic range • High-end HiFi digital filters for improved audio playback • Advanced multi-bit, Delta Sigma architecture • Professional audio quality for flagship smartphones • High-performance analog with integrated mic bias • Enhanced voice clarity for mic-array and beam-forming algorithms • Ultra low idle power consumption for “always on” applications (< 2.5 mW mono record) • High integration reduces BOM cost and PCB area • Best sounding audio capture • • Leading dynamic range and linearity for true accuracy and clarity Acoustically matched top and bottom port devices to enhance algorithms • Super robust MEMS minimize field issues For more information, visit www.cirrus.com The SoundClear Advantage ® Cirrus Logic understands how the quality and clarity of the audio signal chain defines the total user experience. Whether it’s a smartphone conversation in a noisy bar, listening to jazz through wireless headphones, or watching a favorite Hollywood release on a tablet, Cirrus Logic’s patented SoundClear® software technology delivers industry-leading voice quality, speech recognition and high-fidelity playback. SoundClear® utilizes intelligent speech tracking and adaptive processing to exploit speech patterns and environmental conditions, and provides advanced processing features such as noise suppression, echo cancelation and virtual surround sound. The result is self-adjusting algorithms that emphasize voice quality, whether in a quiet room or the noisiest vehicle. The SoundClear® algorithms also deliver consistent audio performance with automatic microphone calibration, automatic level control and automatic volume control. VOICE PLAYBACK RECORD CONTROL SENSE Handset, Speakerphone, Headset NREC Speaker Protection Multi-Mic and Stereo Record “Always On” Voice Wake Low Power Sensor Aggregation and Fusion Single and Multi-Mic HD Voice Bass and Stereo Enhancement Ambient and Mic Noise Reduction Multi-trigger Word Detection Noise Classification Full Duplex AEC Control Audio Decoding Wind and Motor Noise Reduction Seamless Trigger to Search Gesture Recognition Ambient Aware Tx & Rx Enhancement Handset and Headphone ANC Intelligent Gain Control ASR Enhance™ Context Awareness Cirrus Logic Mobile Audio Solutions Guide 3 Baseband / Applications Processor Flagship Smartphone • • • Boosted Amplifier Speaker (stereo) Boosted Amplifier Speaker (mono) Mic 1 WiFi / FM / Bluetooth Mic 2 Smart CODEC Low power, “always on” voice trigger Up to 600 MIPS multi-core DSP Mic 3 Mic 4 GG 3-mic voice (HP/SPK) TX noise reduction GG RX earpiece ANC and stereo ANC Earpiece Speaker protected Class-D amplifier HiFi DAC SoundClear Software Headphone ® Version Voice Playback Record Control WM8281 3.5 M 1.0 2.0 2.5 WM5102S 2.0 M 1.0 – 2.5 Smart Codecs Part Number DSP DACs / ADCs DAC DR / THD+N (dB) ADC DR / THD+N (dB) Power Supply (V) Package WM8281 Multi-Core 600 MIPS 8/6 121 / –92 100 / –89 VA = 1.7 to 5.5 VD = 1.14 to 1.9 138 WLCSP WM5102S Single Core HiFi DSP 7/6 120 / –89 96 / –88 VA = 1.7 to 5.5 VD = 1.14 to 1.9 137 WLCSP Flagship Smartphone Boosted Amplifiers Part Number Input Output Power Max Boost Voltage (V) THD+N @ 1 W Power Supply (V) Package CS35L33 I2S, TDM 4.4 W into 8 ohm 8 0.02% VP = 3.0 to 5.5 VA = 1.71 to 1.89 42 WLCSP HiFi D/A Converters Part Number Channels Resolution DAC DR / THD+N (dB) Sample Rate (kHz) Power Supply (V) Package CS4398 2 24 bits 120 / –107 192 VA = 5.0 VD = 3.3 or 5.0 28 QFN WM8741 2 24 bits 128 / –100 192 VA = 4.5 to 5.5 VD = 3.0 to 3.6 28 SSOP MEMS Microphones 4 Part Number SNR (dB) AOP at 10% THD (dB SPL) Sensitivity Sensitivity Tolerance (dB) Supply Voltage and Current Package WM7121PE (Analog, Top) 65 127 –38 dBV/Pa ±1 1.5 to 3.7 V 190 µA 3.76 x 2.95 x 1.10 mm WM7132PE (Analog, Bottom) 65 127 –38 dBV/Pa ±1 1.5 to 3.7 V 190 µA 3.76 x 3.00 x 1.10 mm WM7216E (Digital, Top) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm WM7236E (Digital, Bottom) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm For more information, visit www.cirrus.com Boosted Amplifier Baseband / Applications Processor Mid-Tier Smartphone • High performance audio Smart accessory detect Low power sleep mode Digital microphone interface • Boosted amplifier with speaker protection • • • Speaker (stereo) Speaker (mono) WiFi / FM / Bluetooth Mic 1 Portable CODEC Mic 2 Earpiece Headphone Portable Codecs Part Number DACs / ADCs DAC DR / THD+N (dB) ADC DR / THD+N (dB) Sample Rate (kHz) Power Supply (V) Package WM8998 7/3 122 / –86 96 / –88 192 VA = 1.7 to 5.5 VD = 1.14 to 1.9 117 WLCSP WM1811 2/2 100 / –83 94 / –84 96 VA = 1.71 to 5.5 VD = 1.0 to 3.6 80 WLCSP CS42L73 4/2 97 / –85 91 / –85 48 VA = 1.66 to 1.94 VD = 0.85 to 1.40 VP = 3.0 to 5.35 64 WLCSP 65 BGA Boosted Amplifiers Part Number Input Output Power CS35L32 Analog 1.75 W into 8 ohm CS35L33 I2S, TDM 4.4 W into 8 ohm Mid-Tier Smartphone Max Boost Voltage (V) THD+N @ 1 W Power Supply (V) Package 5.4 0.02% VP = 3.0 to 5.25 VA = 1.71 to 1.89 30 WLCSP 8 0.02% VP = 3.0 to 5.5 VA = 1.71 to 1.89 42 WLCSP MEMS Microphones Part Number SNR (dB) AOP at 10% THD (dB SPL) Sensitivity Sensitivity Tolerance (dB) Supply Voltage and Current Package WM7331E (Analog, Bottom) 63 124 –38 dBV/Pa ±1 1.6 to 3.6 V 50 µA 2.5 x 1.6 x 0.9 mm WM7216E (Digital, Top) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm WM7236E (Digital, Bottom) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm Cirrus Logic Mobile Audio Solutions Guide 5 Applications Processor Pro Tablet • • • Boosted Amplifier Speaker Boosted Amplifier Speaker Low power, “always on” voice trigger Up to 600 MIPS multi-core DSP Mic 1 GG 3-mic voice (HP/SPK) TX noise reduction GG RX earpiece ANC and stereo ANC WiFi / FM / Bluetooth Mic 2 Smart CODEC Mic 3 Speaker protected Class-D amplifier Mic 4 SoundClear Software Headphone ® Version Voice Playback Record Control WM8281 3.5 M 1.0 1.1 2.5 WM5102S 2.0 M 1.0 – 2.5 Smart Codecs Part Number DSP DACs / ADCs DAC DR / THD+N (dB) ADC DR / THD+N (dB) Power Supply (V) Package WM8281 Multi-Core 600 MIPS 8/6 121 / –92 100 / –89 VA = 1.7 to 5.5 VD = 1.14 to 1.9 138 WLCSP WM5102S Single Core HiFi DSP 7/6 120 / –89 96 / –88 VA = 1.7 to 5.5 VD = 1.14 to 1.9 137 WLCSP Pro Tablet Boosted Amplifiers Part Number Input Output Power Max Boost Voltage (V) THD+N @ 1 W Power Supply (V) Package CS35L33 I2S, TDM 4.4 W into 8 ohm 8 0.02% VP = 3.0 to 5.5 VA = 1.71 to 1.89 42 WLCSP MEMS Microphones Part Number SNR (dB) AOP at 10% THD (dB SPL) Sensitivity Sensitivity Tolerance (dB) Supply Voltage and Current Package WM7121PE (Analog, Top) 65 127 –38 dBV/Pa ±1 1.5 to 3.7 V 190 µA 3.76 x 2.95 x 1.10 mm WM7132PE (Analog, Bottom) 65 127 –38 dBV/Pa ±1 1.5 to 3.7 V 190 µA 3.76 x 3.0 x 1.10 mm WM7216E (Digital, Top) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm WM7236E (Digital, Bottom) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm 6 For more information, visit www.cirrus.com Applications Processor Media Tablet • High performance audio Smart accessory detect Low power sleep mode Digital microphone interface • Boosted amplifier with speaker protection • • • WiFi / FM / Bluetooth Boosted Amplifier Speaker Boosted Amplifier Speaker Mic 1 Portable CODEC Mic 2 Headphone Portable Codecs Part Number DACs / ADCs DAC DR / THD+N (dB) ADC DR / THD+N (dB) Sample Rate (kHz) Power Supply (V) Package WM8998 7/3 122 / –86 96 / –88 192 VA = 1.7 to 5.5 VD = 1.14 to 1.9 117 WLCSP WM1811 2/2 100 / –83 94 / –84 96 VA = 1.71 to 5.5 VD = 1.0 to 3.6 80 WLCSP CS42L73 4/2 97 / –85 91 / –85 48 VA = 1.66 to 1.94 VD = 0.85 to 1.40 VP = 3.0 to 5.35 60 WLCSP 65 BGA THD+N @ 1 W Power Supply (V) Package Boosted Amplifiers Part Number Input Output Power Max Boost Voltage (V) CS35L32 Analog 1.75 W into 8 ohm 5.4 CS35L33 I2S, TDM 4.4 W into 8 ohm 8 MEMS Microphones Media Tablet 0.02% VP = 3.0 to 5.25 VA = 1.71 to 1.89 30 WLCSP 0.02% VP = 3.0 to 5.5 VA = 1.71 to 1.89 42 WLCSP Part Number SNR (dB) AOP at 10% THD (dB SPL) Sensitivity Sensitivity Tolerance (dB) Supply Voltage and Current Package WM7331E (Analog, Bottom) 63 124 –38 dBV/Pa ±1 1.6 to 3.6 V 50 µA 2.5 x 1.6 x 0.9 mm WM7211E (Digital, Bottom) 61 120 –26 dBFS/Pa ±1 1.64 to 3.7 V 735 µA 4.0 x 3.0 x 1.0 mm WM7230E (Digital, Bottom) 61 120 –26 dBFS/Pa ±1 1.5 to 3.7 V 735 µA 4.0 x 3.0 x 1.0 mm Cirrus Logic Mobile Audio Solutions Guide 7 CODEC Voice Processor Sub-system • Best user experience on smartphones and tablets “Always on” voice trigger and ASR Enhance™ Noise reduction and echo cancelation Industry leading low power • Complete audio path solution • • • Baseband / Applications Processor Earpiece Boosted Amplifier Speaker Mic 1 WiFi / FM / Bluetooth Voice Processor Mic 2 4-Mic ADC Mic 3 Mic 4 HiFi DAC Headphone SoundClear Software ® Version Voice Playback Control CS48LV12 2.1 M 5.0 – CS48LV13 2.1 M 5.1 1.0 Voice Processors / DSPs Part Number DSP Voice Bands Speed (MIPS) Operating Range Power Supply (V) Package CS48LV12/13 32-bit, Single Core Narrow HD Voice/ Wide 130 0 to 70 °C –40 to 105 °C VD = 1.0 or 1.2 VIO = 1.8 to 3.3 20 WLCSP 24 QFN Boosted Amplifiers Voice Processor Sub System Part Number Input Output Power Max Boost Voltage (V) THD+N @ 1 W Power Supply (V) Package CS35L33 I S, TDM 4.4 W into 8 ohm 8 0.02% VP = 3.0 to 5.5 VA = 1.71 to 1.89 42 WLCSP 2 HiFi D/A Converters Part Number Channels Resolution DAC DR / THD+N (dB) Sample Rate (kHz) Power Supply (V) Package CS4398 2 24 bits 120 / –107 192 VA = 5.0 VD = 3.3 or 5.0 28 QFN WM8741 2 24 bits 128 / –100 192 VA = 4.5 to 5.5 VD = 3.0 to 3.6 28 SSOP 8 For more information, visit www.cirrus.com Multi-Mic A/D Converters Part Number Channels Resolution ADC DR / THD (dB) Sample Rate (kHz) Power Supply (V) Package CS53L30 4 24 bits 91 / –84 48 VA = 3.0 to 5.0 VD = 1.8 30 WLCSP 32 QFN MEMS Microphones Part Number SNR (dB) AOP at 10% THD (dB SPL) Sensitivity Sensitivity Tolerance (dB) Supply Voltage and Current Package WM7138E (Analog, Bottom) 65 130 –38 dBV/Pa ±1 1.5 to 3.7 V 160 µA 3.35 x 2.5 x 0.98 mm WM7216E (Digital, Top) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm WM7236E (Digital, Bottom) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm Cirrus Logic Mobile Audio Solutions Guide 9 Sensors Wearables (Band, Watch, Glasses) • • • • • Portable CODEC Processor Speaker Headphone “Always on” voice trigger ASR Enhance™ Noise reduction and echo cancelation Industry leading low power Complete audio path solution WiFi / Bluetooth Mic 1 Voice Processor Mic 2 SoundClear Software ® Version Voice Playback Control CS48LV12 2.1 M 5.0 – CS48LV13 2.1 M 5.1 1.0 CS48L20 – 5.2 1.0 Voice Processors / DSPs Part Number Processor Voice Bands Speed (MIPS) Operating Range (°C) Power Supply (V) Package CS48LV12/13 32-bit Single Core Narrow HD Voice/Wide 130 0 to 70 –40 to 105 VD = 1.0 or 1.2 VIO = 1.8 to 3.3 20 WLCSP 24 QFN CS48L20 32-bit Dual Core – Wearables (Band, Watch, Glasses) 360 0 to 70 –40 to 105 VD = 1.0 or 1.2 VIO = 1.8 to 3.3 36 WLCSP 36 QFN Portable Codecs Part Number DACs / ADCs DAC DR / THD+N (dB) ADC DR / THD+N (dB) Sample Rate (kHz) Power Supply (V) Package WM8903 2/2 96 / –86 93 / –80 48 VA = 1.71 to 2.0 VD = 1.14 to 1.89 40 QFN WM8904 2/2 96 / –86 92 / –80 96 VA = 1.71 to 2.0 VD = 0.95 to 3.6 36 WLCSP 32 QFN WM8993 2/2 100 / –86 94 / –87 48 VA = 2.2 to 3.3 VD = 1.1 to 2.0 48 WLCSP MEMS Microphones Part Number SNR (dB) AOP at 10% THD (dB SPL) Sensitivity Sensitivity Tolerance (dB) Supply Voltage and Current Package WM7331E (Analog, Bottom) 63 124 –38 dBV/Pa ±1 1.6 to 3.6 V 50 µA 2.5 x 1.6 x 0.9 mm WM7216E (Digital, Top) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm WM7236E (Digital, Bottom) 60 (Voice) 63 (Record) 120 –26 dBFS/Pa ±1 1.62 to 3.7 V 300 µA (Voice) 950 µA (Record) 4.0 x 3.0 x 1.0 mm 10 For more information, visit www.cirrus.com SoundClear Software Features ® VOICE PLAYBACK RECORD CONTROL Voice 2.0 M Playback 1.0 Record 1.1 Control 1.0 2-Mic Handset TX NR / AEC Mono/Stereo 8/16/24/32/48 kHz Playback, PEQ Up to 4 Microphones 1 Input Channel 1 or 2-mic Speakerphone TX NR / AEC Virtual Stereo Surround Multi-Mic Wind Noise Reduction 1 Output Channel Microphone Noise Reduction Single Trigger Word Detection Background Noise Reduction Seamless Trigger to Search RX NR Stereo ANC Playback 5.0 RX AVC 2.0 adds: Sensory Engine Support TX Comfort Noise Mono/Stereo 8/16/24/32/48 kHz Playback, PEQ Focus Noise Reduction RX Comfort Noise Virtual Stereo Surround Stereo Record TX EQ Multi-Band Compressor RX EQ Trigger Directed ASR Context Aware Playback 2.1 M adds: Control 2.5 Audio (Volume/Trims) Dynamic RX Volume and EQ Tone Control 3.5 M adds: Delay Manager Single Trigger Word Detection RX MBC Band Xpander Sensory Engine Support Sidetone Bass Enhancer Wind Noise Reduction Dynamic Volume Leveler Multi-Trigger Word Detection Receiver ANC (mono) Intelligent Room Calibration Uncompressed Audio Stream ASR Enhance™ 1 Input Channel 1 Output Channel Bass Manager Multichannel Surround Crossbar Mixer 5.1 adds: Speaker Protection Dolby Digital Post-Processing Support DTS Post-Processing Support 5.2 adds: Audio Encoding Please contact Cirrus Logic for availability of SoundClear® Sense. SoundClear Software/Hardware Configurations for Mobile ® Version Voice Playback Record Control CS48LV12 2.1 M 5.0 – – CS48LV13 2.1 M 5.1 – 1.0 CS48L20 – 5.2 – 1.0 WM8281 3.5 M 1.0 1.1, 2.0 2.5 WM5102S 2.0 M 1.0 – 2.5 Cirrus Logic Mobile Audio Solutions Guide 11 SoundClear Software Boards and Tools CS48L20 CS48LV12/13 Tool IDE ChessDE CLIDE (Cirrus Logic Integrated Development Environment) Compiler Chess CCC (Cirrus C Compiler) Assembler Darts CASM (Cirrus Cross Assembler) Linker Bridge CLINK (Cirrus Linker) Archiver Ear CLIDE Simulator Checkers CLIDE On-chip Debugging Jtalk CLIDE CONFIG Configuration Image Loading Register Read/Write Real-time Tuning WISCE (Interactive Setup and Configuration Environment) 1) CLIDE application / concurrency project Drivers (linux.cirrus.com) Linux Android Support: Linux Android Support: Exynos, Qualcomm, MediaTek, Intel, NVIDIA Linux 3.10 Android 4.4 Kit Kat PROGRAMMING WM8281 WM5102S DRIVERS ® Windows Support: 2) RAPID2 real-time NREC diagnostic and tuning tool Intel Baytrail, Cherrytrail BOARDS Lochnagar 48L10 4-In 4-Out Board Part Number 6271-EV1 Includes SoundClear : Voice, Playback, Record, Control SoundClear ®: Voice, Playback, Control CS42L73 Codec Kits Minicards add Codec, DSP, DMICs or smart codec Adds MCU interface board, MCUDEBUG board and cabling CRD48L10-4in4out ® Expansion boards BOARDS Availability 12 Stock Stock Black Handset and Telit Modem 48L10 Low Power, Voice Wake Board Part Number WM284, WBTELIT CRD48L10-LPVR1 Includes SoundClear : Voice, Playback, Record, Control, Sense SoundClear ® Control with Sensory Voice Trigger and Commands Kits Connects to other modems and/or acoustic prototypes Adds probe board, MCU-DEBUG board, mini HDMI adapter board, analog board, headset board, battery, charger and cabling Availability Special Request Stock ® For more information, visit www.cirrus.com Copyright © 2015 Cirrus Logic, Inc. All rights reserved Printed in the USA Cirrus Logic, Inc. and its subsidiaries (“Cirrus”) believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided ‘as is’ without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied upon is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. Software is provided pursuant to applicable license terms. No responsibility is assumed by Cirrus for the use of this information, or for infringement of patents or other rights of third parties. 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Cirrus products are not designed, authorized, or warranted to be suitable for use in products surgically implanted into the body, automotive safety or security devices, nuclear systems, life-support products or other critical applications. Inclusion of Cirrus products in such applications is understood to be fully at the customer’s risk and Cirrus disclaims and makes no warranty of merchantability and fitness for particular purpose, with regard to any Cirrus product that is used in such a manner. If the customer uses or permits the use of Cirrus products in critical applications, customer agrees, by such use, to fully indemnify Cirrus, its officers, directors, employees, distributors and other agents from any and all liability, including attorneys’ fees and costs, that may result from or arise in connection with these uses. Cirrus Logic, Cirrus, Band XpandeR, CLIDE (Cirrus Logic Integrated Development Environment), Cirrus Bass Enhancement (CBE), Cirrus Dynamic Volume Leveler (DVL), Cirrus Virtualizer Technology (CVT), CobraCAD, CobraCom, CobraNet, Crystal LAN, DSP Composer, DSP Condenser, DSP Conductor, Entertainment Processors, EXL Core, Extreme-S, Intelligent Room Calibration, MaverickCrunch, MaverickKey, Micro Condenser, Multipath, Optimal Integration, PacketPage, Popguard, Single-S, SoundClear, Total-S, Cirrus Logic framework, Cirrus Extended Surround, and the Cirrus Logic logo designs are among the trademarks of Cirrus Logic, Inc. and/or its subsidiaries. Other brand and product names in this document may be trademarks or service marks of their respective owners. Cirrus Logic Mobile Audio Solutions Guide 13 CORPORATE HEADQUARTERS 800 West Sixth Street Austin, Texas 78701 United States T +1 512-851-4000 Fax +1 512-851-4977 Toll Free +1 800-888-5016 www.cirrus.com JAN2015