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SUMMIT
MICROELECTRONICS, Inc.
SMD1102 / 1103 / 1113
Preliminary
10-Bit Data Acquisition System for Autonomous Environmental Monitoring
FEATURES
! Complete Data Acquisition System " 10-Bit A/D Converter Resolution " 75µs Acquisition plus Conversion Time " Alarm Limits for Each Input Channel " Auto-Increment of Input Channels " Two Wire I2C Serial Data Interface " System Management Bus (SMBus) Compatible " Auto-Monitor with SMBALERT Output " Low Quiescent Current of 50µA " Wide Supply
Voltage Range: 2.
7V to 5.
5V ! SMD1102 " 2-Channel Analog Input
" External
Voltage Reference Input Provided for Absolute Measurements ! SMD1103 " 3-Channel Analog Input " Reference
Voltage ...