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D F 1700
Dual Channel, 8x Oversampling DIGITAL FILTER
FEATURES
• DUAL CHANNEL DIGITAL INTERPOLATION FILTERS
• ACCEPTS 16-BIT INPUT DATA • USER-SELECTABLE FOR 16-,18-, OR 20-
BIT OUTPUT DATA • SERIAL OUTPUT IS COMPATIBLE WITH
PCM1700 AND PCM63 DACs • PASSBAND RIPPLE < 0.00005dB
• STOPBAND ATTENUATION > 110dB • SINGLE +5V POWER SUPPLY FOR LOW
POWER DISSIPATION OF 250mW Max • PLASTIC 28-PIN DIP AND 40-PIN SOIC
PACKAGES
DESCRIPTION
The DF1700 is a high performance, 8x oversampling CMOS digital filter. This filter accepts 16-bit input data and is user-selectable for 16-, 18-, or 20-bit output data. The 8x oversampling feature converts the input data frequency (fs) to an output data frequency of 8 x fs by digital interpolation.