MAX690A (9)

The MAX690A is available from Analog Devices at Xecor. Designed for critical microprocessor monitoring, the MAX690A offers precision supply voltage monitoring, a 200ms reset time delay, a 1.6s watchdog timer, and battery-backup power switching. Available in an 8-pin SOIC package, it is ideal for battery-powered computers, intelligent instruments, and controllers. Whether used in automotive systems, industrial controls, or portable devices, this series ensures reliability, accuracy, and low power consumption for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX690A series below.

Part Number Description Package Inventory Add To Bom
MAX690ACPA+ Reliable circuit PDIP-8 7,542
MAX690AMJA 8-Pin Microprocessor Supervisory Circuits CDIP-8 6,879
MAX690ACSA+ Processor supervisor with active low/push-pull output SOIC-8 7,629
MAX690AEPA+ Single channel CMOS power management device PDIP-8 5,763
MAX690ACSA+T MAX690ACSA+T: Microprocessor Supervisor 8-SOIC 9,065
MAX690AESA/GG8 This circuit monitors processor voltage, current, and temperature for anomalies, triggering an alarm if anything is amiss SOIC-8 3,146
MAX690AESA+T Supervisory Circuits Microprocessor Supervisory Circuits SOIC-8 7,119
MAX690AESA+ With its compact form factor and advanced monitoring capabilities, this circuit is ideal for critical applications requiring continuous operation SOIC-8 3,931
MAX690AMJA/883B Ensure reliability of your microprocessor with MAX690AMJA/883B CDIP-Narrow-8 6,162

Key Featrues

Precision Supply Voltage Monitoring - The MAX690A ensures accurate monitoring of the supply voltage at 4.65V, enhancing system reliability by preventing malfunctions due to voltage fluctuations. This precision is critical for applications like battery-powered computers and controllers, where stable voltage is essential for consistent performance.
Battery-Backup Power Switching - The device supports seamless switching to battery-backup power during main power failures, ensuring uninterrupted operation in critical µP systems. This feature is particularly beneficial for intelligent instruments and systems requiring continuous functionality.
Low Quiescent Supply Current - With a quiescent supply current of just 200µA (and 50nA in battery-backup mode), the MAX690A minimizes power consumption, making it ideal for energy-efficient designs and extending battery life in portable applications.
Watchdog Timer with 1.6s Timeout - The integrated watchdog timer enhances system reliability by detecting and recovering from software hangs or crashes. This feature is crucial for µP systems that require consistent uptime and fault tolerance.
Guaranteed Active-Low RESET Assertion Down to 1V - The MAX690A ensures reliable reset functionality even when the supply voltage drops to 1V, providing robust protection for µP systems during power-down or brownout conditions. This feature is vital for maintaining system integrity in low-voltage scenarios.

Applications

Battery-Powered Microprocessor Systems: The MAX690ACSA+ is ideal for monitoring and controlling power supply in battery-powered microprocessor systems. Its precision voltage monitoring and low quiescent current ensure reliable operation and extended battery life, making it suitable for portable devices, IoT sensors, and remote monitoring systems.
Critical µP Monitoring in Industrial Controllers: The MAX690ACSA+ is perfect for critical microprocessor monitoring in industrial controllers. Its watchdog timer and power-fail detection features ensure system reliability and prevent malfunctions in harsh industrial environments, making it ideal for automation and process control systems.
Intelligent Instrumentation: The MAX690ACSA+ is well-suited for intelligent instruments requiring precise voltage supervision. Its active-low reset and push-pull output ensure accurate system initialization and stable operation, making it ideal for medical devices, test equipment, and laboratory instruments.
Automotive Electronics: The MAX690ACSA+ is ideal for automotive electronics, where reliable power supply monitoring is critical. Its robust design and battery-backup switching ensure uninterrupted operation in vehicles, making it suitable for engine control units, infotainment systems, and advanced driver-assistance systems (ADAS).