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MAX705ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX705ESA

Manufacturer: MAXIM, MAX

Low-Cost, uP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX705ESA MAXIM, MAX 40153 In Stock

Description and Introduction

Low-Cost, uP Supervisory Circuits The MAX705ESA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor Supervisory Circuit  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **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:** 140ms (min), 280ms (typ)  
- **Manual Reset Input:** Active-low (MR)  
- **Watchdog Timer:** 1.6s (typ) timeout  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX705ESA is designed to monitor power supply voltages in microprocessor-based systems. It ensures proper system operation by generating a reset signal during power-up, power-down, or brownout conditions. It includes a watchdog timer to detect software lockups and a manual reset input for external control.

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset generation.  
- **Adjustable or Fixed Reset Thresholds:** Supports multiple voltage levels.  
- **Watchdog Timer:** Prevents system lockups.  
- **Manual Reset Input:** Allows external reset triggering.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Wide Operating Voltage Range (1.2V to 5.5V):** Compatible with various systems.  
- **Industrial Temperature Range (-40°C to +85°C):** Suitable for harsh environments.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low-Cost, uP Supervisory Circuits

Alternative Part Number

  • ADM705ARZ --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, widely available and a direct functional drop-in for the MAX705.
  • TL7705ACD --: Classic supply-voltage supervisor with reset output, similar function and SOIC package, commonly used as a substitute in supervisory applications.
  • CAT705SI --: Microprocessor supervisory circuit offering reset and watchdog features comparable to the MAX705, suitable as a lower-cost alternative.
  • MC33064D-5 --: Undervoltage sensing circuit providing reset signal, low-cost alternative for basic supervisor function in SOIC-8.

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