LF43881 Datasheet (LOGIC Devices Incorporated)

LF43881, 8 x 8-bit Digital Filter

The LF43881 is a video-speed digital filter that contains eight filter cells (taps) cascaded internally and a shiftand-add output stage.

An 8 x 8 multiplier, three decimation registers, and a 26-bit accumulator are contained in each filter cell.

The output stage of the LF43881 contains a 26-bit accu

LF43881 Features

* u u u u 25 MHz Maximum Sampling Rate 320 MHz Multiply-Accumulate Rate 8 Filter Cells 8-bit Unsigned or Two’s Complement Data u 8-bit Unsigned or Two’s Complement Coefficients u 26-bit Data Outputs u Shift-and-Add Output Stage for Combining Filter Outputs u Expandable Data Size, Coefficient Size, an