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MAX706ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX706ESA

Manufacturer: MAXIM, MAX

Low-Cost, uP Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX706ESA MAXIM, MAX 2969 In Stock

Description and Introduction

Low-Cost, uP Supervisory Circuits The MAX706ESA 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:** MAX706ESA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.0V 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)  
- **Watchdog Timer Timeout:** 1.6s (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 35μA (typ)  

### **Descriptions:**
The MAX706ESA is a μP supervisory circuit designed to monitor power supply voltages and provide reset signals to microprocessors or microcontrollers in case of power failures or brownouts. It integrates a watchdog timer, manual reset input, and power-fail comparator for robust system monitoring.

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation during power-up, power-down, and brownout conditions.  
- **Watchdog Timer:** Monitors microprocessor activity; resets the system if the watchdog input is not toggled within the timeout period.  
- **Manual Reset Input:** Allows for an external pushbutton reset.  
- **Power-Fail Comparator:** Early warning for impending power failure.  
- **Low Power Consumption:** 35μA typical quiescent current.  
- **Adjustable or Fixed Reset Threshold:** Supports multiple voltage monitoring levels.  
- **Wide Operating Voltage Range:** 1.0V to 5.5V.  
- **Industrial Temperature Range:** -40°C to +85°C.  

The MAX706ESA is commonly used in embedded systems, industrial controls, and automotive applications where reliable power monitoring is critical.

Application Scenarios & Design Considerations

Low-Cost, uP Supervisory Circuits

Alternative Part Number

  • ADM706ARZ --: Pin-compatible microprocessor supervisory circuit with reset and watchdog functions, widely available and a direct functional drop-in for the MAX706.
  • TPS3705-33D --: Supervisory circuit offering reset and watchdog timing in an SOIC package, suitable as a functional replacement with similar thresholds.
  • CAT706SVI-GT3 --: Low-cost microprocessor supervisor with reset and watchdog features, pin-compatible alternative for MAX706 applications.
  • IMP706ESA --: Drop-in replacement supervisory IC with the same reset threshold and watchdog timer, commonly used as a second source for the MAX706.

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