ADS7229IPW

更新时间： 2024-11-09 04:04:43

品牌	Logo	应用领域
德州仪器 - TI		转换器输入元件
页数	文件大小	规格书
46页	1187K
描述
LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE

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ADS7229IPW 数据手册

ADS7229

ADS7230

www.ti.com........................................................................................................................................................................................................ SBAS437–MAY 2008

LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT,

ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE

FEATURES

APPLICATIONS

•

Communications

•

2.7V to 5.5V Analog Supply, Low Power:

Transducer Interface

Medical Instruments

Magnetometers

Industrial Process Control

Data Acquisition Systems

Automatic Test Equipment

–

13.7mW (1MHz, +VA = 3V, +VBD = 1.8V)

•

1MHz Sampling Rate 3V ≤ +VA ≤ 5.5V,

900kHz Sampling Rate 2.7V ≤ +VA ≤ 3V

Excellent DC Performance:

–

±0.15LSB Typ, ±0.5LSB Max INL

±0.12LSB Typ, ±0.5LSB Max DNL

±0.8mV Max Offset Error at 3V

±1.25mV Max Offset Error at 5V

DESCRIPTION

The ADS7229 is

a low-power, 12-bit, 1MSPS

•

Excellent AC Performance at f_i= 10kHz with

73.9dB SNR, 93.4dB SFDR, –88.5dB THD

analog-to-digital converter (ADC) with a unipolar

input. The device includes a 12-bit capacitor-based

successive approximation register (SAR) ADC with

inherent sample-and-hold.

•

Built-In Conversion Clock (CCLK)

1.65V to 5.5V I/O Supply:

The ADS7230 is based on the same core and

includes a 2-to-1 input MUX with a programmable

TAG bit output option. Both the ADS7229 and

ADS7230 offer a high-speed, wide voltage serial

interface and are capable of daisy-chain mode

operation when multiple converters are used.

–

SPI™/DSP-Compatible Serial Interface

SCLK up to 50MHz

•

Comprehensive Power-Down Modes:

–

Deep Power-Down

Nap Power-Down

These devices are available in 4 × 4 QFN and

TSSOP-16 packages, and are fully specified for

operation over the industrial –40°C to +85°C

temperature range.

Auto Nap Power-Down

•

Unipolar Input Range: 0V to V_REF

Software Reset

Global CONVST (Independent of CS)

Programmable Status/Polarity EOC/INT

4 × 4 QFN-16 and TSSOP-16 Packages

Multi-Chip Daisy-Chain Mode

Low Power, High-Speed SAR Converter Family

Type/Speed

500 kSPS

ADS8327

ADS8328

1 MSPS

ADS8329

ADS8330

ADS7279

ADS7280

ADS7229

ADS7230

Single

Dual

16-bit single-ended

Programmable TAG Bit Output

Auto/Manual Channel Select Mode (ADS7230)

Single

Dual

14-bit single-ended

12-bit single-ended

Single

Dual

OUTPUT

LATCH

and

TRI-STATE

DRIVER

ADS7230 ADS7229

SDO

SAR

+IN1

+IN0

COM

CDAC

+IN

FS/CS

CONVERSION

and

CONTROL

LOGIC

SCLK

SDI

COMPARATOR

-IN

REF+

REF

CONVST

OSC

EOC/INT/CDI

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.

SPI is a trademark of Motorola, Inc.

All other 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...46

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ADS7229IPW 替代型号

型号	品牌	替代类型	描述	数据表
ADS7229IPWRG4	TI	完全替代	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IPWG4	TI	完全替代	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IPWR	TI	类似代替	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER

与ADS7229IPW相关器件

型号	品牌	获取价格	描述	数据表
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
ADS7229IRSARG4	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IRSAT	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229IRSATG4	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7229RSAR	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7230	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER
ADS7230I	TI	获取价格	LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SER

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