ADS1112 - 16 位 240SPS ADC，2 通道采用 MSOP-10 封装的差动/3 单端输入低功耗完整系统

ADS1112是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS1112是16 位 240SPS ADC，2 通道采用 MSOP-10 封装的差动/3 单端输入低功耗完整系统，本站介绍了ADS1112的封装应用图解、特点和优点、功能等，并给出了与ADS1112相关的TI元器件型号供参考。

ADS1112 - 16 位 240SPS ADC，2 通道采用 MSOP-10 封装的差动/3 单端输入低功耗完整系统 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS1112 is a precision, continuously self–calibrating Analog-to-Digital (A/D) converter with two differential or three single–ended channels and up to 16 bits of resolution in a small MSOP–10 package and leadless QFN-style (small-outline, no lead) packages. The onboard 2.048V reference provides an input range of ±2.048V differentially. The ADS1112 uses an I2C-compatible serial interface and has two address pins that allow a user to select one of the eight I2C Slave addresses. The ADS1112 operates from a single power supply ranging from 2.7V to 5.5V.

The ADS1112 can perform conversions at rates of 15, 30, 60, or 240 samples per second (SPS). The onboard programmable gain amplifier (PGA), which offers gains of up to eight, allows smaller signals to be measured with high resolution. In single-conversion mode, the ADS1112 automatically powers down after a conversion, greatly reducing current consumption during idle periods.

The ADS1112 is designed for applications requiring high-resolution measurement, where space and power consumption are major considerations. Typical applications include portable instrumentation, industrial process control, and smart transmitters.

产品特性

COMPLETE DATA ACQUISITION SYSTEM IN A SMALL MSOP–10 PACKAGE AND LEADLESS QFN-STYLE PACKAGES
MEASUREMENTS FROM TWO DIFFERENTIAL CHANNELS OR THREE SINGLE–ENDED CHANNELS
I2C™ INTERFACE—EIGHT ADDRESSES PIN–SELECTABLE
ONBOARD REFERENCE: Accuracy: 2.048V ±0.05% Drift: 5ppm/°C
ONBOARD PGA
ONBOARD OSCILLATOR
16-BITS NO MISSING CODES
INL: 0.01% of FSR max
CONTINUOUS SELF-CALIBRATION
SINGLE-CYCLE CONVERSION
PROGRAMMABLE DATA RATE: 15SPS TO 240SPS
POWER SUPPLY: 2.7V to 5.5V
LOW CURRENT CONSUMPTION: 240µA
APPLICATIONS
- PORTABLE INSTRUMENTATION
- INDUSTRIAL PROCESS CONTROL
- SMART TRANSMITTERS
- CONSUMER GOODS
- FACTORY AUTOMATION
- TEMPERATURE MEASUREMENT

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ADS1112 - 16 位 240SPS ADC，2 通道 采用 MSOP-10 封装的差动/3 单端输入低功耗完整系统

ADS1112 - 16 位 240SPS ADC，2 通道采用 MSOP-10 封装的差动/3 单端输入低功耗完整系统