ADS7044

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ADS7044 SBAS682D – NOVEMBER 2014 – REVISED DECEMBER 2015 ADS7044 Ultra-Low Power, Ultra-Small Size, 12-Bit, 1-MSPS, SAR ADC 1 Features 1 Industry's First SAR ADC with Nanowatt Power Consumption: – 261 µW at 1 MSPS with 1.8-V AVDD – 900 µW at 1 MSPS with 3-V AVDD – 90 µW at 100 kSPS with 3-V AVDD – Less than 1 µW at 1 kSPS with 3-V AVDD Industry's Smallest SAR ADC: – X2QFN-8 Package with 2.25-mm2 Footprint 1-MSPS Throughput with Zero Data Latency Wide Operating Range: – AVDD: 1.65 V to 3.6 V – DVDD: 1.65 V to 3.6 V (Independent of AVDD) – Temperature Range: –40°C to 125°C Excellent Performance: – 12-Bit Resolution with NMC – ±1-LSB (Max) DNL and INL – 71-dB SNR with 3-V AVDD – –85-dB THD with 3-V AVDD Unipolar, Differential Input Range: –AVDD to AVDD Integrated Offset Calibration SPI™-Compatible Serial Interface: 16 MHz JESD8-7A Compliant Digital I/O 2 Applications Low-Power Data Acquisition Battery-Powered Handheld Equipment Level Sensors Ultrasonic Flow Meters Motor Controls Wearable Fitness Portable Medical Equipment Hard Drives Glucose Meters 3 Description The ADS7044 is a 1-MSPS, analog-to-digital converter (ADC). The device supports a wide analog input voltage range (±1.65 V to ±3.6 V) and includes a capacitor-based, successive-approximation register (SAR) ADC with an inherent sample-and-hold circuit. The SPI-compatible serial i...