ADS7223

更新时间： 2024-11-25 08:19:59

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
51页	1085K
描述
Dual, 1MSPS, 16-/14-/12-Bit, 4x2 or 2x2 Channel, Simultaneous Sampling Analog-to-Digital Converter

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ADS7223 数据手册

ADS8363

ADS7263

ADS7223

www.ti.com

SBAS523B –OCTOBER 2010–REVISED JANUARY 2011

Dual, 1MSPS, 16-/14-/12-Bit, 4×2 or 2×2 Channel, Simultaneous Sampling

Analog-to-Digital Converter

Check for Samples: ADS8363, ADS7263, ADS7223

FEATURES

DESCRIPTION

•

Eight Pseudo- or Four Fully-Differential Inputs

The ADS8363 is

dual, 16-bit, 1MSPS

analog-to-digital converter (ADC) with eight pseudo-

or four fully-differential input channels grouped into

two pairs for simultaneous signal acquisition. The

analog inputs are maintained differentially to the input

of the ADC. The input multiplexer can be used in

either pseudo-differential mode, supporting up to four

channels per ADC (4x2), or in fully-differential mode

that allows to convert up to two inputs per ADC (2x2).

The ADS7263 is a 14-bit version while the ADS7223

is a 12-bit version of the ADS8363.

Simultaneous Sampling of Two Channels

Excellent AC Performance:

–

SNR:

93dB (ADS8363)

85dB (ADS7263)

73dB (ADS7223)

–

THD:

–98dB (ADS8363)

–92dB (ADS7263)

–86dB (ADS7223)

The ADS8363/7263/7223 offer two programmable

reference outputs, flexible supply voltage ranges, a

programmable auto-sequencer, data storage of up to

four conversion results per channel, and several

power-down features.

•

Dual Programmable and Buffered 2.5V

Reference Allows:

–

Two Different Input Voltage Range Settings

Two-Level PGA Implementation

All devices are offered in a 5x5mm QFN-32 package.

•

Programmable Auto-Sequencer

Integrated Data Storage (up to 4 per channel)

for Oversampling Applications

Functional Block Diagram

AVDD

DVDD

•

2-Bit Counter for Safety Applications

Fully Specified over the Extended Industrial

Temperature Range

CHA1P/CHA3

CHA1N/CHA2

CHA0P/CHA1

CHA0N/CHA0

CMA

Input

Mux

SAR ADC

CLOCK

BUSY

SDI

Serial

Interface

and

APPLICATIONS

REF1

REF2

•

Motor Control: Current and Position

Measurement including Safety Applications

FIFO

CHB1P/CHB3

CHB1N/CHB2

CHB0P/CHB1

CHB0N/CHB0

CMB

SDOA

SDOB

•

Power Quality Measurement

Three-Phase Power Control

Programmable Logic Controllers

Industrial Automation

Input

Mux

SAR ADC

REF1

2.5V

REF

Control

Logic

String

DAC

REFIO1

REFIO2

Protection Relays

CONVST

REF2

String

DAC

RGND

AGND

DGND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...51

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与ADS7223相关器件

型号	品牌	获取价格	描述	数据表
ADS7223SRHBR	TI	获取价格	Dual, 1MSPS, 16-/14-/12-Bit, 4 2 or 2 2 Channel, Simultaneous Sampling Analog-to-Digital C
ADS7223SRHBT	TI	获取价格	Dual, 1MSPS, 16-/14-/12-Bit, 4 2 or 2 2 Channel, Simultaneous Sampling Analog-to-Digital C
ADS7229	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229_14	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229I	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IPW	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IPWG4	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IPWR	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IPWRG4	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IRSAR	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER

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