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


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.