Datasheet > HSP43220_04

HSP43220_04

更新时间： 2024-09-26 04:22:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
18页	806K
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Decimating Digital Filter

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HSP43220_04 数据手册

HSP43220

Data Sheet

J uly 2004

FN2486.9

Decimating Digital Filter

Features

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.

• Single Chip Narrow Band Filter with up to 96dB

Attenuation

• DC to 33MHz Clock Rate

• 16-Bit 2’s Complement Input

• 20-Bit Coefficients in FIR

• 24-Bit Extended Precision Output

• Programmable Decimation up to a Maximum of 16,384

• Standard 16-Bit Microprocessor Interface

• Filter Design Software Available DECIMATE™

• Up to 512 Taps

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.

Applications

• Very Narrow Band Filters

• Zoom Spectral Analysis

• Channelized Receivers

• Large Sample Rate Converter

The HSP43220 accepts 16-bit parallel data in 2’s

complement format at sampling rates up to 33MSPS. 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.

Ordering Information

TEMP.

PKG.

DWG. #

PART NUMBER

HSP43220JC-25

HSP43220JC-33

RANGE (°C)

PACKAGE

84 Ld PLCC

0 to 0

N84.1.15

0 to 70

DECIMATE Software Development Tool (This software tool may be

downloaded from our Internet site: www.intersil.com)

Block Diagram

DECIMATION UP TO 1024

DECIMATION UP TO 16

INPUT CLOCK

HIGH ORDER

DECIMATION

FILTER

FIR

DECIMATION

FILTER

DATA OUT

DATA INPUT

DATA READY

CONTROL AND COEFFICIENTS

FIR CLOCK

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

DECIMATE™ is a trademark of Intersil Corporation.

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与HSP43220_04相关器件

型号	品牌	获取价格	描述	数据表
HSP43220883	INTERSIL	获取价格	Decimating Digital Filter
HSP43220GC-15	ROCHESTER	获取价格	16-BIT, DSP-DIGITAL FILTER, CPGA84
HSP43220GC-25	INTERSIL	获取价格	Decimating Digital Filter
HSP43220GC-33	INTERSIL	获取价格	Decimating Digital Filter
HSP43220GM-15/883	INTERSIL	获取价格	Decimating Digital Filter
HSP43220GM-25/883	INTERSIL	获取价格	Decimating Digital Filter
HSP43220GM-25/883	RENESAS	获取价格	16-BIT, DSP-DIGITAL FILTER, CPGA84
HSP43220JC-15	INTERSIL	获取价格	Decimating Digital Filter
HSP43220JC-25	INTERSIL	获取价格	Decimating Digital Filter
HSP43220JC-25Z	INTERSIL	获取价格	Decimating Digital Filter

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