WM9010 Low Power Class G Stereo Headphone Amplifier LOW COST HEADPHONE AMPLIFIER IN A SMALL PACKAGE THAT DELIVERS AN OUTSTANDING LISTENING EXPERIENCE FOR PORTABLE AUDIO DEVICES. WM9010 is a low power, capless Class G stereo headphone amplifier designed for portable audio applications powered from a single 1.8V supply and is available in a 12–ball 1.8 x 1.3mm CSP package. TARGET APPLICATIONS Handheld gaming devices Portable well–being solutions WM9010 extends playback time beyond that delivered by other Class G headphone amps thanks to an input signal envelope detector which enhances efficiency by tracking the signal level and dynamically adjusting the headphone amplifier power supply circuitry, as well as offering exceptionally low quiescent power consumption. PRODUCT BENEFITS Mobile handsets The listening experience is further enhanced through Wolfson’s SilentSwitch™ technology which ensures pop free enable and disable of the headphone outputs. Minimal PCB footprint for small, slim product designs – small CSP package and capless outputs Portable media players Extends playback time through dynamic Class G headphone amp for optimal power consumption Mobile computing devices Security systems Hi-fi quality listening experience – 104dB SNR RF NOISE SUPPRESSION VDD ENA GND Bluetooth car kits POP & CLICK SUPPRESSION WM9010 – INL HPOUTL + HPOUTFB CPCA CONTROL INTERFACE CPCB OSCILLATOR HPOUTR CPVOUTN Low Power Class G Stereo Headphone Amplifier – + CPVOUTP WM9010 INR INREF WM9010 Low Power Class G Stereo Headphone Amplifier PRODUCT FEATURES WM9010 BALL CONFIGURATION 1 Hi-fi quality stereo outputs – 104dB SNR 28mW of output power into 32Ω, 1% THD+N A SilentSwitch™ pop free output enable and disable Single 1.8V supply 2 INL 3 INR ORDER INFORMATION 4 VDD GND B INREF ENA CPCA CPCB C HP OUTL HP OUTR CPV OUTP CPV OUTN Hardware enable pin ORDER CODE WM9010ECS/R 9010 FULL SYSTEM BOARD WM9010-6244-CS12-EV1 TEMPERATURE RANGE -40°C TO +85°C PACKAGE 12–BALL CSP, 0.5 PITCH (Pb free, tape and reel) MOISTURE SENSITIVITY LEVEL MSL 1 PEAK SOLDERING TEMPERATURE 260°C 12–BALL CSP PACKAGE (TOP VIEW) 12–ball 1.8 x 1.3mm CSP package WM9010 RECOMMENDED EXTERNAL COMPONENTS DIAGRAM TOOLS AND SUPPORT VDD For the full suite of documentation please visit: 2.2uF www.wolfsonmicro.com/products/audio_amplifiers ENABLE Wolfson GUI development environment WISCE: 0.1uF www.wolfsonmicro.com/support/wisce VDD ENA HEADPHONE 32Ω 1.0uF INL HPOUTL INR WM9010 1.0uF HPOUTR 0.1uF INREF 2.2uF 0.1uF 20R GND CPCA CPCB CPVOUTN CPVOUTP 20R 2.2uF 2.2uF For more information please visit www.wolfsonmicro.com or sign up for Wolfson eNews at: www.wolfsonmicro.com/enews WORLD HEADQUARTERS USA SALES OFFICE JAPAN SALES OFFICE ASIA PACIFIC SALES OFFICE Wolfson Microelectronics plc Wolfson Microelectronics, Inc. Wolfson Microelectronics plc Wolfson Microelectronics plc Westfield House 26 Westfield Road Edinburgh EH11 2QB United Kingdom 10001 N. De Anza Boulevard Suite 301 Cupertino CA 95014 USA 23F Sky Building 2-19-12 Takashima Nishi-ku Yokohama, 220-0011 Japan 2F, No.39, Alley 20 Lane 407, Sec. 2 Tiding Boulevard, NeiHu District Taipei 114 Taiwan t: +44 (0)131 272 7000 f: +44 (0)131 272 7001 e: [email protected] t: +1 (408) 329 9800 e: [email protected] t: +81 (0) 45 440 1230 f: +81 (0) 45 440 1231 e: [email protected] t: +886 (0) 2 875 11600 f: +886 (0) 2 875 10201 e: [email protected] © COPYRIGHT 2010, WOLFSON MICROELECTRONICS PLC. and the wave logo are a registered trademark of Wolfson Microelectronics plc. All other trademarked names, whether indicated as such or not, are the property of their respective owners. The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. Wolfson Microelectronics plc assumes no responsibility for errors and omissions, and disclaims responsibility for any consequences resulting from the use of information contained in the document. PO-FL-9010-09/10 www.wolfsonmicro.com CONTACT DETAILS