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\x92 PCM1704 24-bit audio digital-to-analog converter. This combination allows for construction of very high-performance audio systems and components.
● COMPANION DIGITAL FILTER FOR THE PCM1704 24-BIT AUDIO DAC
● HIGH PERFORMANCE FILTER:
● Stopband Attenuation: \x96115dB
● 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