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MAXIM INTEGRATED / ANALOG DEVICES MAX1232ESA Microprocessor Supervisory Circuit

The MAX1232 is a low-power microprocessor supervisory circuit providing power supply monitoring, reset functions, and a watchdog timer. It features a debounced manual reset input, adjustable voltage thresholds (+4.5V or +4.75V), and programmable timeout periods (150ms, 600ms, or 1.2s). Ideal for computer, controller, and instrument applications, it requires no external components, offers high reliability, and enhances system stability by ensuring proper power-up and software execution monitoring in embedded systems.

Authorized Distributors
Source:Newark
Part No:MAX1232ESA+
Stock:140
Inv Date:06-05-2026
Price: Unit price: $6.81
Buy/RFQ:
Source:DigiKey
Part No:MAX1232ESA+
Stock:282
Inv Date:06-05-2026
Price: Unit price: $6.81
Buy/RFQ:
Part No:MAX1232ESA+
Stock:794
Inv Date:06-06-2026
Price: Unit price: $6.74
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX1232ESA Microprocessor Supervisory Circuit Specifications:

  • Supply Voltage: 4.5V to 5.5V
  • Reset Pulse Width: Minimum 250ms
  • Watchdog Timer: Programmable 150ms, 600ms, or 1.2s
  • Power-Ok Threshold: +4.5V or +4.75V (adjustable)
  • Manual Reset Input: Debounced active-low, recognizes pulses ≥20ms
  • Reset Outputs: Active High and Active Low (open drain)
  • Input Voltage Tolerance: 5% (TOL connected to GND) or 10% (TOL connected to Voc)
  • Operating Temperature Range: 0°C to +70°C / -40°C to +85°C / -55°C to +125°C depending on package
  • Packages: 8-pin PDIP/SO, 16-pin Wide SO
  • Sinks and sources current on active high reset, sinks current on active low reset
  • Voltage detection delay: Power-down slew rate 1.66mV/sec, Power-up slew rate varies
  • No external components required, RoHS compliant in lead-free versions
  • Pin functions include pushbutton reset, watchdog input, tolerance setting, and power supply input

Buy the Maxim MAX1232 – Reliable Power Monitoring for Industrial Applications

Enhance your electronic projects with the MAX1232 microprocessor supervisory circuit, offering power supply monitoring, debounced manual reset, and an adjustable watchdog timer. Its no-external-component design simplifies installation, making it ideal for computers, controllers, and instruments that demand reliable power management and system stability. Available in various packages, the MAX1232 is suitable for industrial and embedded applications, ensuring fast, accurate power-reset functions with minimal power consumption. Buy online now for dependable performance.

Order your Maxim MAX1232 supervisory circuit today and ensure your embedded systems operate reliably with integrated reset and watchdog functions.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX1232ESA?

You can click on the BUY or RFQ button to purchase MAX1232ESA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX1232ESA?

You can download the MAX1232ESA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX1232ESA?

MAXIM INTEGRATED / ANALOG DEVICES

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