ADX112AMSOP10

AnalogySemi
ADX112(Q) Ultra-Small, Ultra-Low-Power SPI, 16-Bit, High-Precision SD ADC With Internal Reference and Oscillator 1. FEATURES 3. DESCRIPTION • AEC-Q100 (ADX112Q only) • Ultra-small QFN package: 2mm × 1.5mm × 0.4mm • Small 3mm × 3mm MSOP package • Wide supply range: 2V to 5.5V • Low current consumption: Continuous mode: Only 145µA Single-shot mode: automatic power-down • Programmabl...
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ADX112(Q) Ultra-Small, Ultra-Low-Power SPI, 16-Bit, High-Precision SD ADC With Internal Reference and Oscillator 1. FEATURES 3. DESCRIPTION • AEC-Q100 (ADX112Q only) • Ultra-small QFN package: 2mm × 1.5mm × 0.4mm • Small 3mm × 3mm MSOP package • Wide supply range: 2V to 5.5V • Low current consumption: Continuous mode: Only 145µA Single-shot mode: automatic power-down • Programmable data rate: 8SPS to 860SPS • Single-cycle settling The ADX112(Q) is a precision, low-power, 16-bit analog-to-digital converter (ADC) that provides all features necessary to measure the most common sensor signals in an MSOP-10 package or an ultrasmall, leadless QFN-10 package. The ADX112(Q) integrates a programmable gain amplifier (PGA), voltage reference, oscillator, and high-accuracy temperature sensor. These features, along with a wide power supply range from 2V to 5.5V, make the ADX112(Q) ideally suited for powerconstrained and space-constrained, sensormeasurement applications. • Internal low-drift voltage reference • Internal oscillator • SPI-Compatible interface • Internal PGA • Four single-ended or two differential inputs • Operating temperature range: –40°C to 125°C The ADX112(Q) can perform conversions at data rates up to 860 samples per second (SPS). The PGA offers input ranges from ±256mV to ±6.144V, allowing both large and small signals to be measured with high resolution. An input multiplexer (MUX) allows to measure two differential or four single-ended inputs. The highaccuracy temperature sensor can be used for system-level temperature monitoring or cold junction compensation for thermocouples. 2. APPLICATIONS • Temperature measurement: Thermocouple measurement Cold-junction compensation Thermistor measurement • Portable instrumentation • Battery voltage and current monitoring • Factory automation and process controls The ADX112(Q) operates either in continuous conversion mode, or in a single-shot mode that automatically powers down after a conversion. Single-shot mode significantly reduces current consumption during idle periods. Data are transferred through a serial peripheral interface (SPI™). The ADX112(Q) is specified from –40°C to 125°C. See Table 1 for the order information. K-Type Thermocouple Measurement Using Integrated Temperature Sensor for Cold-Junction Compensation 3.3V 3.3V 0.1µF AIN0 VDD Voltage Reference AIN1 ADX112(Q) SCLK Mux PGA 3.3V 16-bit ΔΣ ADC Digital Filter and Interface CS DOUT/DRDY DIN AIN2 Oscillator AIN3 Temperature Sensor GND Note: SPI is a trademark of Motorola, Inc. © 2022 AnalogySemi Ltd. All Rights Reserved. Public www.analogysemi.com | Page 1 of 41 PDF
Документация на ADX112AMSOP10 

Дата модификации: 02.01.1970

Размер: 842.3 Кб

41 стр.

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