Professional IC Distribution & Technical Solutions

The MAX705EPA+ is a microprocessor (μP) supervisory circuit manufactured by MAXIM (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: MAXIM (Analog Devices)
• Package: 8-PDIP (Plastic Dual In-Line Package)
• Operating Voltage Range: 1.2V to 5.5V
• Reset Threshold Options: Adjustable or fixed (4.40V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V)
• Reset Timeout Period: 200ms (min)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 35μA (typical)
• Watchdog Timer: 1.6s (typical)

Descriptions:

The MAX705EPA+ is designed to monitor power supply voltages in microprocessor-based systems. It provides a reset signal to the μP during power-up, power-down, or brownout conditions. It also includes a watchdog timer to detect software lockups and a manual reset input for external triggering.

Features:

• Precision Voltage Monitoring: Ensures reliable reset operation.
• Adjustable or Fixed Reset Thresholds: Supports multiple voltage levels.
• Low Power Consumption: Ideal for battery-powered applications.
• Watchdog Timer: Prevents system lockups.
• Manual Reset Input: Allows external reset control.
• Power-Fail Comparator: Early warning for power loss.
• Guaranteed Reset Valid Down to VCC = 1V: Ensures proper operation at low voltages.

This device is commonly used in embedded systems, industrial controls, and automotive electronics for reliable power management.