PCM1744

® PCM 1744 PCM1744 For most current data sheet and other product information, visit www.burr-brown.com 24 Bits, 96kHz, Sampling Stereo Audio DIGITAL-TO-ANALOG CONVERTER TM FEATURES q COMPLETE STEREO DAC: Includes Digital Filter and Output Amp q DYNAMIC RANGE: 95dB q MULTIPLE SAMPLING FREQUENCIES: Up to 96kHz q 8x OVERSAMPLING DIGITAL FILTER q SYSTEM CLOCK: 256fS / 384fS q 24-BIT I2S DATA INPUT FORMAT q SMALL 14-PIN SOIC PACKAGE DESCRIPTION The PCM1744 is a complete low cost stereo audio digital-to-analog converter (DAC), operating off of a 256fS or 384fS system clock. The DAC contains a 3rdorder ∆Σ modulator, a digital interpolation filter, and an analog output amplifier. The PCM1744 accepts 24-bit input data in a I2S format. The digital filter performs an 8x interpolation function and includes de-emphasis at 44.1kHz. The PCM1744 can accept digital audio sampling frequencies from 16kHz to 96kHz, always at 8X oversampling. The PCM1744 is ideal for low-cost, CD-quality consumer audio applications. BCKIN LRCIN DIN Serial Input I/F 8X Oversampling Digital Filter Multi-level Delta-Sigma Modulator DAC Low-pass Filter VOUTL CAP Multi-level Delta-Sigma Modulator Low-pass Filter VOUTR DAC FORMAT Mode Control I/F Power Supply DM 256fS/384fS SCKI VCC GND International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111 Twx: 910-952-1111 Internet: http://www.burr-br...