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DF1704: 24-Bit, 96kHz 8X Oversampling Filter (Rev. A)
Texas Instruments
Description
The DF1704 is a high-performance, stereo, 8X oversampling digital interpolation filter designed for high-end consumer and professional audio applications. The DF1704 supports 24-bit, 96kHz operation and features user-programmable functions, including selectable filter response, de-emphasis, attenuation, and input/output data formats. The DF1704 is the ideal companion for Texas Instruments? PCM1704 24-bit audio digital-to-analog converter. This combination allows for construction of very high-performance audio systems and components.
Features
COMPANION DIGITAL FILTER FOR THE PCM1704 24-BIT AUDIO DAC HIGH PERFORMANCE FILTER: Stopband Attenuation: ?115dB Passband Ripple: ±0.00005dB AUDIO INTERFACE: Input Data Formats: Standard, Left-Justified,and I2S Input Word Length: 16,20,or 24 Bits Output Word Length: 16,18,20,or 24 Bits Sampling Frequency: 32kHz to 96kHz PROGRAMMABLE FUNCTIONS: Hardware or Software Control Modes Sharp or Slow Roll-Off Filter Response Soft Mute Digital De-Emphasis Independent Left/Right Digital Attenuation SYSTEM CLOCK: 256fS, 384fS, 512fS, 768fS ON-CHIP CRYSTAL OSCILLATOR +5V SINGLE-SUPPLY OPERATION SMALL SSOP-28 PACKAGE
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