CS5550-IS datasheet(1/24 Pages) CIRRUS

Part #	CS5550-IS

Description	Two-channel, Low-cost A/D Converter

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Manufacturer	CIRRUS [Cirrus Logic]

Direct Link	http://www.cirrus.com

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CS5550

Two-channel, Low-cost A/D Converter

Features

Power Consumption <12 mW

- with VD+ = 3.3 V

Adjustable Input Range on AIN1

±

GND-referenced Signals with Single Supply

On-chip 2.5 V Reference (25 ppm/°C typ)

Simple Three-wire Digital Serial Interface

Power Supply Configurations

VA+ = +5 V; AGND = 0 V; VD+ = +3.3 V to +5 V

Description

The CS5550 combines two

∆Σ ADCs and a serial

interface on a single chip. The CS5550 has

on-chip functionality to facilitate offset and gain

calibration. The CS5550 features a bi-directional

serial

interface

for

communication

with

a

microcontroller.

ORDERING INFORMATION:

CS5550-IS

-40

°C to +85°C

24-pin SSOP

CS5550-ISZ

-40

°C to +85°C, Lead-free

24-pin SSOP

VA+

VD+

VREFIN

VREFOUT

AGND

XIN

XOUT CPUCLK

DGND

CS

SDO

SDI

SCLK

INT

Voltage

Reference

Clock

Generator

Serial

Interface

x1

RESET

Digital

Filter

+

4th Order

∆Σ

Modulator

2nd Order

∆Σ

Modulator

Digital

Filter

AIN2+

AIN2-

AIN1+

AIN1-

Config

Register

Output

Registers

Calibration

Registers

-

+

-

10x,50x

10x

MAR ‘05

DS630F1

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CS5550-IS Datasheet(PDF) 1 Page - Cirrus Logic

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