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ADS1112 Arkusz danych(PDF) 1 Page - Texas Instruments |
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ADS1112 Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 26 page FEATURES D COMPLETE DATA ACQUISITION SYSTEM IN THE MSOP-10 AND LEADLESS QFN-STYLE PACKAGES D MEASUREMENTS FROM TWO DIFFERENTIAL CHANNELS OR THREE SINGLE-ENDED CHANNELS D I2CINTERFACE—EIGHT ADDRESSES PIN- SELECTABLE D ONBOARD REFERENCE: Accuracy: 2.048V ±0.05% Drift: 5ppm/ °C D ONBOARD PGA D ONBOARD OSCILLATOR D 16 BITS, NO MISSING CODES D INL: 0.01% of FSR max D CONTINUOUS SELF-CALIBRATION D SINGLE-CYCLE CONVERSION D PROGRAMMABLE DATA RATE: 15SPS to 240SPS D POWER SUPPLY: 2.7V to 5.5V D LOW CURRENT CONSUMPTION: 240µA APPLICATIONS D PORTABLE INSTRUMENTATION D INDUSTRIAL PROCESS CONTROL D SMART TRANSMITTERS D CONSUMER GOODS D FACTORY AUTOMATION D TEMPERATURE MEASUREMENT DESCRIPTION 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 the small MSOP-10 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. All trademarks are the property of their respective owners. ADS1112 SBAS282D − JUNE 2003 − REVISED MARCH 2004 16-Bit Analog-to-Digital Converter with Input Multiplexer and Onboard Reference www.ti.com Copyright 2003−2004, Texas Instruments Incorporated 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. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Podobny numer części - ADS1112_14 |
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Podobny opis - ADS1112_14 |
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