Transport Nodes, Access Nodes, Add/Drop Multiplexers, and Digital Cross-Connects Overview

• High Reliability—Often Requires Multivoltage Monitoring and High Accuracy over Temperature
• Low-Voltage Devices—To Monitor Low Core Voltages to Reduce Power Dissipation
• Manual-Reset Input Function—Very Convenient for Testing During Manufacturing.
• Watchdog—To Monitor Code Execution
• Power Sequencing—To Ensure Proper Power-Up Conditions

Suggested Components

• Battery Backup
• High-Accuracy Supervisors
• Multi-Voltage Supervisors
• Overvoltage Protection
• Single Low-Voltage Supervisors
• Voltage Sequencing and Tracking

Application Notes

• App Note 5040: Voltage Monitoring in Complex Systems
• App Note 4850: Microcontroller Controls Current-Loop AFE Protection
• App Note 4691: Introduction to Hearing Aids and Important Design Considerations
• App Note 4565: Ramp Generator Controls DC-DC Converters
• App Note 4558: Simple Latching Watchdog Timer
• More...