Datasheet > CS5321

CS5321

更新时间： 2024-11-15 22:40:19

品牌	Logo	应用领域
凌云 - CIRRUS		转换器
页数	文件大小	规格书
38页	757K
描述
24-Bit Variable Bandwidth A/D Converter Chipset

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数据手册

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CS5321 数据手册

CS5320/21/22

24-Bit Variable Bandwidth A/D Converter Chipset

Features

Description

The CK5320 and CK5321 Chipsets function as a unique

A/D converter intended for very high resolution measure-

ment of signals below 1500 Hz. The CK5320 Chipset is

a cost effective commercial grade solution for applica-

tions which require a high dynamic range A/D converter.

The chipsets perform sampling, A/D conversion, and

anti-alias filtering.

l CMOS A/D Converter Chipset

l Dynamic Range

- 130 dB @ 25 Hz Bandwidth

- 121 dB @ 411 Hz Bandwidth

l Delta-Sigma Architecture

- Fourth-Order Modulator

The CS5320 and CS5321 use Delta-Sigma modulation

to produce highly accurate conversions. The ∆Σ modula-

tor oversamples, virtually eliminating the need for

external analog anti-alias filters. The CS5322 linear-

phase FIR digital filter decimates the output to any one

of seven selectable update periods: 16, 8, 4, 2, 1, 0.5

and 0.25 milliseconds. Data is output from the digital fil-

ter in a 24-bit serial format.

- Variable Oversampling: 64X to 4096X

- Internal Track-and-Hold Amplifier

l CS5321 Signal-to-Distortion: 115 dB

l Clock Jitter Tolerant Architecture

l Input Voltage Range: +4.5 V

l Flexible Filter Chip

- Hardware or Software Selectable Options

ORDERING INFORMATION*

- Seven Selectable Filter Corners (-3 dB)

Frequencies: 25, 51, 102, 205, 411, 824 and

1650 Hz

Chip Sets

Kits

CS5320-KL & CS5322-KL CK5320-KL1

CS5321-BL & CS5322-KL CK5321-KL1

CS5321-BL & CS5322-BL CK5321-BL1

l Low Power Dissipation: <100 mW

* Refer to Table 5

CS5320/21

CS5322

ss2

VD+

SYNC CLKIN CS R/W

dd1

ss1

dd2

LPWR

OFST

RESET

RSEL

SCLK

SID

MSYNC

SOD

MFLG

MCLK

MDATA

AINR

AIN+

Digital

Filter

ERROR

DRDY

ORCAL

DECA

DECB

DECC

Analog

Modulator

AIN-

MDATA

HBR

VD+

DGND

CSEL

VREF+

VREF-

AGND

DGND

H/S TDATA PWDN USEOR DGND

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Preliminary Product Information

OCT ‘99

DS454PP1

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

12 3 4 5 6 7...38

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