Datasheet > ZADCS0822

ZADCS0822

更新时间： 2024-11-25 07:07:39

品牌	Logo	应用领域
ZMD		/
页数	文件大小	规格书
20页	514K
描述
8-Bit, 300ksps, Serial Output ADC Family

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ZADCS0822 数据手册

ZADCS0882/0842/0822

8-Bit, 300ksps, Serial Output ADC Family

Datasheet

Features

Description

The ZADCS08x2 family is a set of low power, 8-bit, suc-

cessive approximation analog-to-digital (A/D) converters

with up to 300ksps conversion rate, two up to eight input

channels, high-bandwidth track/hold and synchronous

serial interface.

•

Single Supply Operation:

+ 2.7V … + 5.25V

•

Family approach providing

2 / 4 / 8-Channel Single-Ended or

1 / 2 / 4-Channel Differential Inputs

The ADCs operate from a single + 2.7V to + 5.25V supply.

Their analog inputs are software configurable for unipo-

lar/bipolar and single-ended/differential operation.

•

Up to 300ksps Conversion Rate

± 0.25 LSB INL and DNL

No Missing Codes

The 4-wire serial interface connects directly to SPI™/

(QSPI™ and MICROWIRE™) devices without external

logic.

> 49 dB SINAD

True fully differential Operation

All family devices can use either the external serial-

interface clock or an internal clock to perform successive-

approximation analog-to-digital conversions. The internal

clock can be used to run independent conversions on

more than one device in parallel.

Software-Configurable Unipolar or

Bipolar output coding

•

Internal 3.3MHz oscillator for independent

operation from external clock

The ZADCS08x2V versions are equipped with a highly

accurate internal 2.5V reference with an additional external

±1.5% voltage adjustment range.

•

Internal 2.5V Reference

Low Power

< 1.2mA (300ksps, 5V supply)

< 0.5μA (power-down mode)

All members of the ZADCS08x2 family provide a hard-

wired shut-down pin (nSHDN) pin and software-selectable

power-down modes that can be programmed to automati-

cally shut down the IC at the end of a conversion. Access-

ing the serial interface automatically powers up the IC. A

quick turn-on time allows the device to be shut down be-

tween all conversions.

•

SPI^TM/ QSPI^TM/ MICROWIRE^TM- compatible

4-Wire Serial Interface

14 / 16 / 20-Pin SSOP

Applications

•

Data Acquisition

Industrial Process Control

Portable Data Logging

Battery-Powered Systems

Starterkit

available

Functional Block Diagram

CH0

CH1

CH2

CH3

CH4

CH5

CH6

CH7

Available in

ZADCS0822

SAR

8-Channel

Analog

Available in

ZADCS0842

Comparator

Input

IN+

IN-

nCS

Serial

Interface

and

Multiplexer

DAC with

inherent

T&H

SCLK

DIN

DOUT

SSTRB

Available in

ZADCS0882

Control

State

COM

nSHDN

Internal

3.3 MHz

Oscillator

x 2.000

Machine

+ 1.25V

Reference

VDD

REFADJ

VREF

DGND

AGND

Available in ZADCS08x2V versions

Information furnished in this publication is preliminary and subject to changes without notice.

1/20

12 3 4 5 6 7...20

中文翻译

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与ZADCS0822相关器件

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ZADCS0822IS14T	ETC	获取价格	8-Bit, 300ksps, ADC Family
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ZADCS0842	ZMD	获取价格	8-Bit, 300ksps, Serial Output ADC Family
ZADCS0842IS16T	ETC	获取价格	8-Bit, 300ksps, ADC Family
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ZADCS0882_11	ETC	获取价格	8-Bit, 300ksps, ADC Family
ZADCS0882IS20T	ETC	获取价格	8-Bit, 300ksps, ADC Family
ZADCS0882VIS20T	ETC	获取价格	8-Bit, 300ksps, ADC Family
ZADCS1022	ZMD	获取价格	10-Bit, 250ksps, Serial Output ADC Family

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