Datasheet > CDB5504

CDB5504

更新时间： 2024-09-24 04:11:39

品牌	Logo	应用领域
凌云 - CIRRUS		转换器
页数	文件大小	规格书
24页	339K
描述
Low Power, 20-Bit A/D Converter

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中文翻译

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数据手册

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CDB5504 数据手册

CCDSB55550044

CS5504

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Features

Description

The CS5504 is a 2-channel, fully differential 20-bit, seri-

al-output CMOS A/D converter. The CS5504 uses

charge-balanced (delta-sigma) techniques to provide a

low cost, high-resolution measurement at output word

rates up to 200 samples per second.

Delta-sigma A/D Converter

- 20-bit, No Missing Codes

- Linearity Error: ±0.0007%FS

2 Differential Inputs

- Pin-selectable Unipolar/Bipolar Ranges

The on-chip digital filter offers superior line rejection at

50 Hz and 60 Hz when the device is operated from a

32.768 kHz clock (output word rate = 20 Sps).

- Common Mode Rejection

105 dB @ dc

120 dB @ 50, 60 Hz

The CS5504 has on-chip self-calibration circuitry which

can be initiated at any time or temperature to ensure

minimum offset and full-scale errors.

Either 5V or 3.3V Digital Interface

On-chip Self-calibration Circuitry

Output Update Rates up to 200/Sps

Low Power Consumption: 4.4 mW

Low power, high-resolution and small package size

make the CS5504 an ideal solution for loop-powered

transmitters, panel meters, weigh scales and battery-

powered instruments.

ORDERING INFORMATION

See page 23.

CS5504-BS -40° to +85° C 20-pin SOIC

VREF+

VREF-

VA+ VA-

DGND VD+

AIN1+

AIN1-

Serial

Interface

SCLK

SDATA

DRDY

4th-Order

Logic

Digital

Filter

Delta-Sigma

Modulator

MUX

AIN2+

AIN2-

CAL

Calibration µC

BP/UP

Calibration SRAM

OSC

CONV XIN XOUT

Cirrus Logic, Inc.

(All Rights Rese(rAvelldR)ights Reserved)

Crystal Semiconductor Products Division

MAUARG ‘‘9055

AUG ‘05

http://www.cirrus.com

P.O. Box 17847, Austin, Texas 78760

DDSS112266FF12

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

http://www.crystal.com

DS126DB2

12 3 4 5 6 7...24

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