cs5566 Cirrus Logic, Inc., cs5566 Datasheet

cs5566

Manufacturer Part Number

cs5566

Description

?2.5 V / 5 V, 5 Ksps, 24-bit ?? Adc

Manufacturer

Cirrus Logic, Inc.

Datasheet

1.CS5566.pdf (30 pages)

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

cs5566-ISZ

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CIRRUS

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Current page: 1 of 30
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Features

Preliminary Product Information

http://www.cirrus.com

Differential Analog Input

On-chip Buffers for High Input Impedance

Conversion Time = 200 µS

Settles in One Conversion

Linearity Error = 0.0005%

Signal-to-Noise = 110 dB

24 Bits, No Missing Codes

Simple three/four-wire serial interface

Power Supply Configurations:

Power Consumption: 20 mW @ 5 kSps

- Analog: +5V/GND; IO: +1.8V to +3.3V

- Analog: ±2.5V; IO: +1.8V to +3.3V

& Description

BUFEN

VREF+

VREF-

AI N +

A I N -

2.5 V / 5 V, 5 kSps, 24-bit

V1+

V1-

V2+

V2-

ADC

This document contains information for a new product.

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

GENERATOR

OSC/CLOCK

CS5566

DIGITAL

General Description

The CS5566 is a single-channel, 24-bit analog-to-digital

converter capable of 5 kSps conversion rate. The input

accepts a fully differential analog input signal. On-chip

buffers provide high input impedance for both the AIN in-

puts and the VREF+ input. This significantly reduces the

drive requirements of signal sources and reduces errors

due to source impedances. The CS5566 is a delta-sigma

converter capable of switching multiple input channels at

a high rate with no loss in throughput. The ADC uses a

low-latency digital filter architecture. The filter is designed

for fast settling and settles to full accuracy in one conver-

sion. The converter's 24-bit data output is in serial form,

with the serial port acting as either a master or a slave. The

converter is designed to support bipolar, ground-refer-

enced signals when operated from ±2.5V analog supplies.

The converter can operate from an analog supply of 0-5V

or from ±2.5V. The digital interface supports standard log-

ic operating from 1.8, 2.5, or 3.3 V.

ORDERING INFORMATION:

FILTER

LOGIC

TST

See

Ordering Information

DIGITAL CONTROL

DCR

VLR

∆Σ

INTERFACE

SERIAL

VLR2

ADC

on page 30.

SMODE

SCLK

SDO

SLEEP

RST

CONV

BP/UP

MCLK

RDY

CS5566

DS806PP1

MAR ‘08

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