Decimating Digital Filter

The HSP43220 Decimating Digital Filter is a linear phase low pass decimation Filter which is optimized for filtering narrow band signals in a broad spectrum of a signal processing applications. The HSP43220 offers a single chip solution to signal processing applications which have historically required several boards of ICs. This reduction in component count results in faster development times as well as reduction of hardware costs.
The HSP43220 is implemented as a two stage Filter structure. As seen in the block diagram, the first stage is a high order decimation Filter (HDF) which utilizes an efficient sample rate reduction technique to obtain decimation up to 1024 through a coarse low-pass filtering process. The HDF provides up to 96dB aliasing rejection in the signal pass band. The second stage consists of a finite impulse response (FIR) decimation Filter structured as a transversal FIR Filter with up to 512 symmetric taps which CAN implement Filters with sharp transition regions. The FIR CAN perform further decimation by up to 16 if required while preserving the 96dB aliasing attenuation obtained by the HDF. The combined total decimation capability is 16,384.
The HSP43220 accepts 16-bit parallel data in 2s complement format at sampling rates up to 33 MSPS. It provides a 16-bit Microprocessor compatible Interface to simplify the task of programming and three-state outputs to allow the connection of several ICs to a common bus. The HSP43220 also provides the capability to bypass either the HDF or the FIR for additional flexibility.
By Intersil Corporation
Part Manufacturer Description Datasheet Samples
HSP43220JC-33 Intersil Corporation Decimating Digital Filter; PLCC84; Temp Range: 0° to 70°
HSP43220JC-33Z Intersil Corporation Decimating Digital Filter; PLCC84; Temp Range: 0° to 70°
HSP43220JC-25 Intersil Corporation Decimating Digital Filter; PLCC84; Temp Range: 0° to 70°
HSP43220JC-25Z Intersil Corporation Decimating Digital Filter; PLCC84; Temp Range: 0° to 70°
HSP43220 's PackagesHSP43220 's pdf datasheet
HSP43220JC-25 PLCC
HSP43220JC-33 PLCC
HSP43881JC-25




HSP43220 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
HSP43220 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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