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MAX690CPA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX690CPA+

Manufacturer: MAXIM

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690CPA+,MAX690CPA MAXIM 1775 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The **MAX690CPA+** is a microprocessor (μP) supervisory circuit manufactured by **MAXIM Integrated**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** MAXIM Integrated  
- **Category:** PMIC - Supervisors  
- **Package / Case:** PDIP-8  
- **Type:** Simple Reset/Power-On Reset  
- **Number of Voltages Monitored:** 1  
- **Reset Threshold Voltage:** 4.65V  
- **Output Type:** Active Low, Push-Pull  
- **Manual Reset Input:** Yes  
- **Watchdog Timer:** Yes (1.6s typical timeout)  
- **Supply Voltage (Max):** 5.5V  
- **Supply Voltage (Min):** 1.2V  
- **Operating Temperature Range:** 0°C to +70°C  

### **Descriptions:**
- The MAX690CPA+ is a **μP supervisory circuit** designed to monitor power supply voltages in microprocessor-based systems.  
- It ensures proper system operation by generating a **reset signal** if the supply voltage drops below a preset threshold.  
- Includes a **watchdog timer** to detect software execution failures and a **manual reset input** for user-initiated resets.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation at 4.65V threshold.  
- **Watchdog Timer:** Prevents system lockup with a 1.6s timeout.  
- **Manual Reset Input:** Allows external reset triggering.  
- **Low Power Consumption:** Minimal current draw for battery-operated applications.  
- **Wide Supply Range:** Operates from 1.2V to 5.5V.  
- **Active-Low Reset Output:** Push-pull configuration for direct interfacing with μP reset inputs.  

This device is commonly used in **embedded systems, industrial controls, and automotive electronics** to enhance system reliability.

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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