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WM8960CGEFL/V Datasheet(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8960CGEFL/V Datasheet(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 91 page  w WM8960 Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications WOLFSON MICROELECTRONICS plc To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews Production Data, October 2011, Rev 4.1 Copyright 2011 Wolfson Microelectronics plc CONTROL INTERFACE MICBIAS DCVDD DBVDD DGND DAC -73 to 6dB 1dB steps, mute HP_L HP_R ADCREF, DACREF 50K 50K DAC DIGITAL AUDIO INTERFACE A-law and u-law support ADC ADC PLL LINPUT2 LINPUT1 LEFT MIXER RIGHT MIXER RINPUT1 ADC DIGITAL FILTERS ALC VOLUME -17.25 to +30dB, 0.75dB steps INPUT PGAs OUT3 LINPUT3/ JD2 RINPUT3/ JD3 0, 13, 20, 29dB, mute + - vmid + -12 -> 6dB, 3dB steps, mute -17.25 to +30dB, 0.75dB steps 0, 13, 20, 29dB, mute + - vmid + -12 -> 6dB, 3dB steps, mute RINPUT2 SPK_LP SPK_LN SPK_RP SPK_RN SPKGND1 SPKVDD1 MONO MIXER 0 to -21dB, 3dB steps 0 to -21dB, 3dB steps 0 to -21dB, 3dB steps 0 to -21dB, 3dB steps -73 to 6dB 1dB steps, mute 0dB / -6dB -73 to 6dB 1dB steps, mute +BOOST CLASS D CLASS D -73 to 6dB 1dB steps, mute +BOOST DAC DIGITAL FILTERS DE- EMPHASIS 3D ENHANCE VOLUME -12 -> 6dB, 3dB steps, mute -12 -> 6dB, 3dB steps, mute Jack Detect Jack Detect GPIO1 SPKGND2 SPKVDD2 W WM8960 DESCRIPTION The WM8960 is a low power, high quality stereo CODEC designed for portable digital audio applications. Stereo class D speaker drivers provide 1W per channel into 8 loads with a 5V supply. Low leakage, excellent PSRR and pop/click suppression mechanisms also allow direct battery connection to the speaker supply. Flexible speaker boost settings allow speaker output power to be maximised while minimising other analogue supply currents. A highly flexible input configuration for up to three stereo sources is integrated, with a complete microphone interface. External component requirements are drastically reduced as no separate microphone, speaker or headphone amplifiers are required. Advanced on-chip digital signal processing performs automatic level control for the microphone or line input. Stereo 24-bit sigma-delta ADCs and DACs are used with low power over-sampling digital interpolation and decimation filters and a flexible digital audio interface. The master clock can be input directly or generated internally by an onboard PLL, supporting most commonly-used clocking schemes. The WM8960 operates at analogue supply voltages down to 2.7V, although the digital supplies can operate at voltages down to 1.71V to save power. The speaker supply can operate at up to 5.5V, providing 1W per channel into 8 loads. Unused functions can be disabled using software control to save power. The WM8960 is supplied in a very small and thin 5x5mm QFN package, ideal for use in hand-held and portable systems. FEATURES DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V Pop and click suppression 3D Enhancement Stereo Class D Speaker Driver - <0.1% THD with 1W per channel into 8 BTL speakers - 70dB PSRR @217Hz - 87% efficiency (1W output) - Flexible internal switching clock On-chip Headphone Driver - 40mW output power into 16 at 3.3V - Capless mode support - THD -75dB at 20mW, SNR 90dB with 16 load Microphone Interface - Pseudo differential for high noise immunity - Integrated low noise MICBIAS - Programmable ALC / Limiter and Noise Gate Low Power Consumption Low Supply Voltages - Analogue 2.7V to 3.6V (Speaker supply up to 5.5V) - Digital core and I/O: 1.71V to 3.6V On-chip PLL provides flexible clocking scheme Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 5x5x0.9mm QFN package APPLICATIONS Games consoles Portable media / DVD players Mobile multimedia |
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