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WM8725 Datasheet(PDF) 1 Page - Wolfson Microelectronics plc |
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WM8725 Datasheet(HTML) 1 Page - Wolfson Microelectronics plc |
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1 / 9 page  WM8725 99dB Stereo DAC Production Data, July 2000, Rev 2.0 WOLFSON MICROELECTRONICS LTD Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK Tel: +44 (0) 131 667 9386 Fax: +44 (0) 131 667 5176 Email: sales@wolfson.co.uk http://www.wolfson.co.uk Production Data datasheets contain final specifications current on publication date. Supply of products conforms to Wolfson Microelectronics’ Terms and Conditions. 2000 Wolfson Microelectronics Ltd . DESCRIPTION WM8725 is a high-performance stereo DAC designed for use in portable audio equipment, video CD players and similar applications. It comprises selectable normal or I 2S compatible serial data interfaces for 16 to 24-bit digital inputs, high performance digital filters, and sigma-delta output DACs, achieving an excellent 99dB signal-to-noise performance. The device is available in a 14-pin SO package that offers selectable mute and de-emphasis functions using a minimum of external components. FEATURES • Compatible with PCM1725 • 99dB SNR performance • Stereo DAC with input sampling from 8kHz to 96kHz • Additional mute feature • Normal or I 2S compatible data format • Sigma-delta design with 64x oversampling • System clock 256fs or 384fs • Supply range 3V to 5V • 14-pin SOIC package APPLICATIONS • Portable audio equipment • Video CD players BLOCK DIAGRAM (5) CAP DIGITAL SIGMA-DELTA MODULATOR DIGITAL SIGMA-DELTA MODULATOR LRCIN (1) SERIAL INTERFACE DIGITAL FILTERS (12) DEEMPH (10) MUTE SWITCHED CAPACITOR DAC SWITCHED CAPACITOR DAC (8) VDD (7) GND (9) VOUTL (6) VOUTR BCKIN (3) FORMAT (13) SCKI (14) DIN (2) WM8725 |
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