+3V Voltage Monitoring, Low-Cost, レP Supervisory Circuits The MAX706TCUA is a microprocessor (µP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)
- **Part Number:** MAX706TCUA
- **Package:** 8-pin µMAX
- **Operating Voltage Range:** 1.0V to 5.5V
- **Reset Threshold Options:** Adjustable or fixed (1.6V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V, 4.63V)
- **Reset Timeout Period:** 140ms (min), 280ms (typ)
- **Operating Temperature Range:** -40°C to +85°C
- **Manual Reset Input:** Active-low (MR)
- **Watchdog Timer:** 1.6s timeout (adjustable)
- **Power-On Reset (POR) Detection:** Yes
- **Supply Current:** 35µA (typ)
### **Descriptions:**
The MAX706TCUA is a low-power µP supervisory circuit designed to monitor power supply voltages and provide reset signals to microprocessors in case of power failures or unstable conditions. It integrates a watchdog timer, manual reset input, and power-fail comparator for enhanced system reliability. The device ensures proper system initialization and prevents erratic operation during power-up, power-down, or brownout conditions.
### **Features:**
- **Voltage Monitoring:** Monitors VCC and asserts reset if voltage drops below threshold.
- **Watchdog Timer:** Detects µP lock-up and triggers a reset if not toggled within the timeout period.
- **Manual Reset Input:** Allows external push-button reset control.
- **Power-Fail Comparator:** Early warning for impending power failure.
- **Low Power Consumption:** Ideal for battery-powered applications.
- **Adjustable or Fixed Reset Thresholds:** Multiple options for different voltage requirements.
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable operation even at low voltages.
- **Space-Saving µMAX Package:** Suitable for compact designs.
This information is strictly based on the manufacturer's datasheet and technical documentation.
