2.7V to 5.5V Single Supply Low Power 85μA at 50ksps 6μA at 1ksps 8-Channel Single-Ended or 4-Channel Differential Inputs (MAX1110) 4-Channel Single-Ended or 2-Channel Differential Inputs (MAX1111) Internal Track/Hold, 50kHz Sampling Rate Internal 2.048V Reference SPI/QSPI/MICROWIRE-Compatible Serial Interface Software-Configurable Unipolar or Bipolar Inputs Total Unadjusted Error ±1 LSB (max) ±0.3 LSB (typ) Applications 4mA to 20mA-Powered Remote Data-Acquisition Systems Hand-Held Measurement Devices Medical Instruments Portable Data Logging Solar-Powered Remote Systems System Diagnostics