ADS1247

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ADS1246, ADS1247, ADS1248 SBAS426H – AUGUST 2008 – REVISED MARCH 2016 ADS124x 24-Bit, 2-kSPS, Analog-To-Digital Converters With Programmable Gain Amplifier (PGA) For Sensor Measurement 1 Features 1 Programmable Data Rates Up to 2 kSPS Single-Cycle Settling for All Data Rates Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS Analog Multiplexer With 8 (ADS1248) and 4 (ADS1247) Independently Selectable Inputs Low-Noise PGA: 48 nVRMS at PGA = 128 Dual-Matched Programmable Excitation Current Sources Low-Drift Internal 2.048-V Reference: 10 ppm/°C (Maximum) Sensor Burn-Out Detection 4 or 8 General-Purpose I/Os (ADS1247, ADS1248) Internal Temperature Sensor Power Supply and VREF Monitoring (ADS1247, ADS1248) Self and System Calibration SPI™-Compatible Serial Interface Analog Supply: Unipolar (2.7 V to 5.25 V) and Bipolar (±2.5 V) Operation Digital Supply: 2.7 V to 5.25 V 2 Applications Temperature Sensor Measurements: – RTDs, Thermocouples, and Thermistors Pressure Measurements Flow Meters Factory Automation and Process Controls 3 Description The ADS1246, ADS1247, and ADS1248 devices are precision, 24-bit analog-to-digital converters (ADCs) that include many integrated features to reduce system cost and component count for sensor measurement applications. The devices feature a low-noise, programmable gain amplifier (PGA), a precision delta...