SMD1108

www.DataSheet4U.com SUMMIT MICROELECTRONICS, Inc. 8-Channel Auto-MonitorTM ADC In System Programmable Analog (ISPATM) Device FEATURES ! Programmable 8 Channel 10-Bit A to D con- SMD1108 Preliminary ! Programmable LED Driver Outputs ! Programmable, Nonvolatile Combinatorial Reset verter " Programmable Sequencing of Analog Switches in Auto-Monitor Mode " Resolution of 10 bits " Differential Non-Linearity of ±1LSB " Top 4 Channels Programmable, Nonvolatile Upper/Lower IRQ Limits " Bottom 4 Channels Tied to Matching Programmable, Nonvolatile Comparators " 4 Companion Over-current Comparators ! Internal Temperature Sensor logic ! Nonvolatile Status Capture Register ! Two Programmable, Nonvolatile Watchdog Timers ! 1K-Bit Nonvolatile Memory ! Industry Standard 2-Wire Interface " Nonvolatile Configuration Registers " ADC Conversion Results " Memory Array " Mechanism for System Level Presence Detect SIMPLIFIED APPLICATION DRAWING 5V I2C 5V VCC0/CH4 OC0 CURRENT SENSOR CH1 VCC1/CH5 OC1 LDO VCC2/CH6 OC2 2.5V SMD1108 AIRFLOW SENSOR ENVIRONMENTAL MONITOR CH2 CH3 Internal Temp. Sensor OC0 EXT. TEMP. SENSOR CH0 LDO 3.3V LDO VCC3/CH7 OC3 1.8V AUXVCC SMBALERT RDY# RST# RESET# 2052 SAD ©SUMMIT MICROELECTRONICS, Inc., 2001 300 Orchard City Dr., Suite 131 Campbell, CA 95008 Phone 408-378-6461 FAX 408-378-6586 www.summitmicro.com Characteristics subject to change without notice 2052 2.0 10/05/01 1 SMD1108 Preliminary FUNCTIONAL BLOCK DIAGRAM WD_EN# WLDI 3...