ADC128D818CIMTX/NOPB Datasheet

12-Bit, 8-Channel, ADC System Monitor With Temperature Sensor, Internal – External Reference, and I2C Interface


The ADC128D818 I2C system monitor is designed for maximum flexibility. The system monitor can be configured for single-ended and/or pseudo-differential inputs. An onboard temperature sensor, combined with WATCHDOG window comparators, and an interrupt output pin, INT, allow easy monitoring and out-of-range alarms for every channel. A high performance internal reference is also available to provide for a complete solution in the most difficult operating conditions.

• 12-Bit Resolution Delta-Sigma ADC
• Local Temperature Sensing
• Configurable Single-Ended and/or Pseudo-Diff. Inputs
• 2.56-V Internal VREF or Variable External VREF
• WATCHDOG Window Comparators with Status and Mask Registers of All Measured Values
• Independent Registers for Storing Measured Values
• INT Output Notifies Microprocessor of Error Event
• I2C Serial Bus Interface Compatibility
• 9 Selectable Addresses
• TIME-OUT Reset Function to Prevent I2C Bus Lock-Up
• Individual Channel Shutdown to Limit Power Consumption
• Deep Shutdown Mode to Minimize Power Consumption
• TSSOP 16-Lead Package
• Key Specifications
   – ADC Resolution 12-Bit
   – Supply Voltage Range 3 V to 5.5 V
   – Total Unadjusted Error –0.45%/+0.2%
   – Integral Non-Linearity ±1 LSb
   – Differential Non-Linearity ±1 LSb
   – Operating Current 0.56 mA
   – Deep Shutdown Current 10 µA
   – Temperature Resolution °C/LSb
   – Temperature Accuracy (–40°C to 125°C) ±3°C

• Communications Infrastructure
• Thermal and Hardware Server Monitors
• System Monitors
• Industrial and Medical Systems
• Electronic Test Equipment and Instrumentation
• Power Supply Monitoring and Supervision



Manufacturer information

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