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The PCM1733 is a complete low cost stereo audiodigital-to-analog converter (DAC), operating off of a256fS or 384fS system clock. The DAC contains a 3rd-order ∆ modulator, a digital interpolation filter, andan analog output amplifier. The PCM1733 accepts18-bit input data in either normal or I2S formats.
The digital filter performs an 8X interpolation functionand includes de-emphasis at 44.1kHz. The PCM1733can accept digital audio sampling frequencies from16kHz to 96kHz, always at 8X oversampling.
The PCM1733 is ideal for low-cost, CD-quality con-sumer audio applications.
PCM1733 Maximum Ratings
Power Supply Voltage ....................................................................... +6.5V +VCC to +VDD Difference ................................................................... ±0.1V Input Logic Voltage .................................................. 0.3V to (VDD + 0.3V) Power Dissipation ........................................................................... 290mW Operating Temperature Range ....................................... 25°C to +85°C Storage Temperature ....................................................55°C to +125°C Lead Temperature (soldering, 5s) .................................................. +260°C Thermal Resistance, JA .............................................................. +90°C/W
PCM1733 Features
COMPLETE STEREO DAC: Includes DigitalFilter and Output Amp DYNAMIC RANGE: 95dB MULTIPLE SAMPLING FREQUENCIES:16kHz to 96kHz 8X OVERSAMPLING DIGITAL FILTER SYSTEM CLOCK: 256fS /384fS NORMAL OR I2S DATA INPUT FORMATS SMALL 14-PIN SOIC PACKAGE