ADS1018

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design ADS1018 SBAS526D – NOVEMBER 2012 – REVISED SEPTEMBER 2019 ADS1018 Ultrasmall, Low-Power, SPI™-Compatible, 12-Bit, Analog-to-Digital Converter With Internal Reference and Temperature Sensor 1 Features 1 Ultrasmall X2QFN Package 2 mm × 1.5 mm × 0.4 mm 12-Bit Noise-Free Resolution Wide Supply Range: 2 V to 5.5 V Low Current Consumption: – Continuous Mode: Only 150 μA – Single-Shot Mode: Automatic Power-Down Programmable Data Rate: 128 SPS to 3300 SPS Single-Cycle Settling Internal Low-Drift Voltage Reference Internal Temperature Sensor: 2°C (max) Error Internal Oscillator Internal PGA Four Single-Ended or Two Differential Inputs Specified Temperature: –40°C to +125°C 2 Applications Temperature Measurement: – Thermocouple Measurement – Cold-Junction Compensation – Thermistor Measurement Portable Instrumentation Factory Automation and Process Controls 3 Description The ADS1018 is a precision, low-power, 12-bit, noisefree, analog-to-digital converter (ADC) that provides all features necessary to measure the most common sensor signals in an ultrasmall, leadless, X2QFN-10 or VSSOP-10 package. The ADS1018 integrates a programmable gain amplifier (PGA), voltage reference, oscillator and high-accuracy temperature sensor. These features, along with a wide powersupply range from 2 V to 5.5 V, make the ADS1018 ideally suited for power- and space-constraine...