Datasheet > ADS1118_12

ADS1118_12

更新时间： 2024-11-25 12:22:35

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德州仪器 - TI		/
页数	文件大小	规格书
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描述
Ultra-Small, Low-Power, SPIâ¢-Compatible, 16-Bit

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ADS1118_12 数据手册

ADS1118

www.ti.com

SBAS457B –OCTOBER 2010–REVISED AUGUST 2012

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:

2mm × 1,5mm × 0,4mm

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 onboard reference

and oscillator. Data are transferred via a serial

peripheral interface (SPI). The ADS1118 operates

from a single power supply ranging from 2V to 5.5V.

•

Wide Supply Range: 2.0V to 5.5V

Low Current Consumption:

–

Continuous Mode: Only 150μA

Single-Shot Mode: Auto Shutdown

•

Programmable Data Rate:

8SPS to 860SPS

The ADS1118 can perform conversions at rates up to

860 samples per second (SPS). An onboard

programmable gain amplifier (PGA) is available on

the ADS1118 that offers input ranges from the supply

to as low as ±256mV. This range allows 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.

•

Single-Cycle Settling

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:

The ADS1118 operates either in continuous

–

Thermocouple Measurement

Cold Junction Compensation

Thermistor Measurement

conversion mode or

automatically powers down after

single-shot mode that

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

0.1

1Mȍ

GND

0.1

500ȍ

AIN0

VDD

ADS1118

Voltage

Reference

AIN1

0.1

1Mȍ

SCLK

GND

SPI

Interface

16-bit Ȉǻ

ADC

MUX

PGA

DOUT/DRDY

DIN

1Mȍ

GND

0.1

500ȍ

AIN2

High Accuracy

Temp Sensor

Oscillator

AIN3

GND

0.1

1Mȍ

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...37

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与ADS1118_12相关器件

型号	品牌	获取价格	描述	数据表
ADS1118_13	TI	获取价格	Ultra-Small, Low-Power, SPIâ¢-Compatible, 16
ADS1118_14	TI	获取价格	Ultra-Small, Low-Power, SPIâ¢-Compatible, 16
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

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