FEATURES

► Precision AC and DC performance

► Noise RTI 5.5 nV/√Hz (gain = 128)

► INL: ±0.5 ppm of FSR

► SNR 110 dB typical (VREF = 4.096 V, gain = 1 precharge, sinc5 filter)

► THD: −120 dB typical

► Crosspoint multiplexed analog inputs

► 4 differential/8 pseudodifferential inputs

► Overvoltage/undervoltage tolerant on inactive analog inputs

► Channel scan data rate of 71.4 kSPS/channel (14 μs settling)

► Ultra-low noise integrated PGA, gains of 0.5 to 128

► Output data rate: 7.6 SPS to 500 kSPS

► Flexible digital filters

► Low ripple FIR: ±0.005 dB maximum pass-band ripple

► User programmable FIR filter options

► Low latency sinc filters

► Simultaneous 50 Hz/60 Hz rejection

► Band gap reference with 5 ppm/°C drift typical

► Internal oscillator and temperature sensor

► Analog power supply: 4.75 V to 5.25 V or ±2.5 V

► Digital power supply: 1.7 V to 5.25 V

► Matched programmable excitation current sources

► Low-side power switches

► AC excitation

► On-chip bias voltage generator

► 4 general-purpose inputs/outputs

► Internal and system calibration

► Sensor burnout detection

► Diagnostic functions

► Per channel configuration

► Flexible channel sequencer

► 3- or 4-wire serial interface

► Schmitt trigger on SCLK

► SPI, QSPI, MICROWIRE, and DSP compatible

► TDM compatible interface for data streaming

► Performance temperature range: −40°C to +105°C

► Functional temperature range: −40°C to +125°C

► 32-lead 4 mm × 6 mm LFCSP

APPLICATIONS

► Industrial process control: PLC/DCS modules

► Temperature and pressure measurement

► High accuracy medical and scientific instrumentation

► Chromatography

► Seismic and energy exploration

► Electrical test and measurement

► Acoustic analysis

► Instrumentation

► Weigh scale