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MAX709MESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX709MESA

Manufacturer: MAXIM

Power-Supply Monitor with Reset

Partnumber Manufacturer Quantity Availability
MAX709MESA MAXIM 40 In Stock

Description and Introduction

Power-Supply Monitor with Reset The **MAX709MESA** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor (μP) Supervisory Circuit  
- **Package:** 8-pin SOIC (MSOP)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (e.g., 4.65V, 4.40V, 3.08V, etc.)  
- **Reset Timeout Period:** Adjustable (typically 140ms or 280ms)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Typically 35μA  

### **Descriptions:**  
The **MAX709MESA** monitors system voltage and provides a reset signal to the microprocessor when the supply voltage drops below a preset threshold. It ensures proper system initialization and prevents data corruption during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Manual Reset Input:** Allows external reset triggering.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures operation in low-voltage conditions.  
- **Available in Multiple Threshold Voltages:** Supports various system requirements.  

This information is strictly factual from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Power-Supply Monitor with Reset

Alternative Part Number

  • ADM809MARTZ-REEL --: Pin-compatible microprocessor supervisor with active-low reset in the same SO-8 footprint; widely available and functionally equivalent to the MAX709.
  • TPS3808G01DBVR --: Adjustable-threshold supervisor in SOT-23 with programmable reset delay; a good functional substitute when layout can accommodate a smaller package.
  • MCP131T-300E/TO --: Low-cost 3.0V reset supervisor offering similar reset functionality; suitable as a cost-effective alternative with minor package differences.
  • MCP130-450DI/TO --: Low-cost voltage supervisor with reset output, suitable replacement for basic reset monitoring applications.
  • TL7705ACDR --: Widely available supply voltage supervisor with reset output, functionally similar and easy to source.

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