Non-volatile analog / digital converter Summit Microelectronics

SMD1102, SMD1103, SMD1113

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 Input for the A/D Converter is Connected to VDD for Ratiometric Measurements

SMD1113:
- Extended I2C Operation
- 3-Channel Analog Input
- External Voltage Reference Input Provided for Absolute Measurements