Datasheet > ADS1118_14

ADS1118_14

更新时间： 2024-11-26 02:58:23

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德州仪器 - TI		/
页数	文件大小	规格书
38页	1282K
描述
Ultra-Small, Low-Power, SPIâ¢-Compatible, 16-Bit Analog-to-Digital Converter and Temperature Sensor with Internal Reference

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ADS1118_14 数据手册

ADS1118

www.ti.com

SBAS457C –OCTOBER 2010–REVISED FEBRUARY 2013

Ultra-Small, Low-Power, SPI™-Compatible, 16-Bit

Analog-to-Digital Converter and Temperature Sensor with Internal Reference

Check for Samples: ADS1118

FEATURES

DESCRIPTION

The ADS1118 is

precision analog-to-digital

•

Ultra-Small QFN Package:

2 mm × 1,5 mm × 0,4 mm

converter (ADC) with 16 bits of resolution offered in

an ultra-small, leadless QFN-10 package or an

MSOP-10 package. The ADS1118 is designed with

precision, power, and ease of implementation in

mind. The ADS1118 features an integrated voltage

reference and oscillator. Data are transferred via a

serial peripheral interface (SPI). The ADS1118

operates from a single power supply ranging from

2.0 V to 5.5 V.

•

Wide Supply Range: 2.0 V to 5.5 V

Low Current Consumption:

–

Continuous Mode: Only 150 μA

Single-Shot Mode: Auto Power-Down

•

Programmable Data Rate:

8 SPS to 860 SPS

•

Single-Cycle Settling

The ADS1118 can perform conversions at rates up to

860 samples per second (SPS). A programmable

gain amplifier (PGA) is integrated in the ADS1118

that offers input ranges from as low as ±256 mV up to

the supply rails, allowing both large and small signals

to be measured with high resolution. The ADS1118

also features an input multiplexer (MUX) that provides

two differential or four single-ended inputs. The

ADS1118 can also function as a high-accuracy

temperature sensor. This temperature sensor can be

used for system-level temperature monitoring or cold

junction compensation for thermocouples.

Internal Low-Drift Voltage Reference

Internal Temperature Sensor:

0.5°C (max) Error

•

Internal Oscillator

Internal PGA

Four Single-Ended or Two Differential Inputs

APPLICATIONS

•

Temperature Measurement:

–

Thermocouple Measurement

Cold Junction Compensation

Thermistor Measurement

The ADS1118 operates either in continuous

conversion mode or single-shot mode that

automatically powers down after

a conversion.

Single-shot mode significantly reduces current

consumption during idle periods. The ADS1118 is

specified from –40°C to +125°C.

•

Portable Instrumentation

Factory Automation and Process Controls

2 V

0.1 mF

2 V

GND

0.1 mF

GND

1 MW

500 W

AIN0

VDD

Device

1 mF

Voltage

Reference

AIN1

500 W

0.1 mF

1 MW

SCLK

GND

2 V

GND

SPI

Interface

16-Bit DS

ADC

MUX

PGA

DOUT/DRDY

DIN

GND

1 MW

0.1 mF

1 mF

500 W

AIN2

AIN3

High Accuracy

Temp Sensor

Oscillator

500 W

GND

0.1 mF

1 MW

GND

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.

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...38

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与ADS1118_14相关器件

型号	品牌	获取价格	描述	数据表
ADS1118EVM	TI	获取价格	ADS1118EVM User Guide and Software Tutorial
ADS1118IDGSR	TI	获取价格	Ultra-Small, Low-Power, SPI-Compatible, 16-Bit Analog-to-Digital Converter and Temperature
ADS1118IDGST	TI	获取价格	Ultra-Small, Low-Power, SPI-Compatible, 16-Bit Analog-to-Digital Converter and Temperature
ADS1118IRUGR	TI	获取价格	Ultra-Small, Low-Power, SPIâ¢-Compatible, 16
ADS1118IRUGT	TI	获取价格	Ultra-Small, Low-Power, SPIâ¢-Compatible, 16
ADS1118-Q1	TI	获取价格	具有 PGA、振荡器、基准电压、温度传感器和 SPI 的汽车类 16 位、860SPS、4
ADS1118QDGSRQ1	TI	获取价格	具有 PGA、振荡器、基准电压、温度传感器和 SPI 的汽车类 16 位、860SPS、4
ADS1119	TI	获取价格	具有 I2C 接口和外部基准输入电压的 16 位 1kSPS 4 通道、通用 Δ-Σ AD
ADS1119IPW	TI	获取价格	具有 I2C 接口和外部基准输入电压的 16 位 1kSPS 4 通道、通用 Δ-Σ AD
ADS1119IPWR	TI	获取价格	具有 I2C 接口和外部基准输入电压的 16 位 1kSPS 4 通道、通用 Δ-Σ AD

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