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ADS1015 Datasheet(PDF) 1 Page - Texas Instruments |
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ADS1015 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page SPI Interface Oscillator Voltage Reference High Accuracy Temp Sensor MUX PGA 16-bit ADC GND 2V 500 500 0.1 F 1 F 0.1 F GND 1M 1M GND 2V 500 500 1 F 0.1 F GND 1M GND 2V 0.1 F 0.1 F GND AIN0 AIN1 AIN2 AIN3 SCLK CS VDD GND DOUT/DRDY DIN ADS1118 1M GND GND 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 1 FEATURES DESCRIPTION The ADS1118 is a precision analog-to-digital 23 • Ultra-Small QFN Package: converter (ADC) with 16 bits of resolution offered in 2mm × 1,5mm × 0,4mm an ultra-small, leadless QFN-10 package or an • Wide Supply Range: 2.0V to 5.5V MSOP-10 package. The ADS1118 is designed with • Low Current Consumption: precision, power, and ease of implementation in mind. The ADS1118 features an onboard reference – Continuous Mode: Only 150 μA and oscillator. Data are transferred via a serial – Single-Shot Mode: Auto Shutdown peripheral interface (SPI). The ADS1118 operates • Programmable Data Rate: from a single power supply ranging from 2V to 5.5V. 8SPS to 860SPS The ADS1118 can perform conversions at rates up to • Single-Cycle Settling 860 samples per second (SPS). An onboard programmable gain amplifier (PGA) is available on • Internal Low-Drift Voltage Reference the ADS1118 that offers input ranges from the supply • Internal Temperature Sensor: to as low as ±256mV. This range allows both large – 0.5°C Max Error and small signals to be measured with high • Internal Oscillator resolution. The ADS1118 also features an input multiplexer (MUX) that provides two differential or • Internal PGA four single-ended inputs. The ADS1118 can also • Four Single-Ended or Two Differential Inputs function as a high-accuracy temperature sensor. This temperature sensor can be used for system-level APPLICATIONS temperature monitoring or cold junction compensation for thermocouples. • Temperature Measurement: The ADS1118 operates either in continuous – Thermocouple Measurement conversion mode or a single-shot mode that – Cold Junction Compensation automatically powers down after a conversion. – Thermistor Measurement Single-shot mode significantly reduces current • Portable Instrumentation consumption during idle periods. The ADS1118 is specified from –40°C to +125°C. • Factory Automation and Process Controls 1 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. 2 SPI is a trademark of Motorola. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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