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MAX690CPA from MAXIN,MAXIM - Dallas Semiconductor

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MAX690CPA

Manufacturer: MAXIN

Microprocessor Supervisory Circuits

Partnumber Manufacturer Quantity Availability
MAX690CPA MAXIN 10 In Stock

Description and Introduction

Microprocessor Supervisory Circuits The MAX690CPA 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:  

### **Manufacturer:** Maxim Integrated (now Analog Devices)  
### **Part Number:** MAX690CPA  
### **Category:** µP Supervisory Circuit  

### **Descriptions:**  
- The MAX690CPA is a low-power CMOS supervisory circuit designed to monitor power supply voltages in microprocessor-based systems.  
- It ensures proper system operation by monitoring the power supply and providing reset signals during power-up, power-down, or brownout conditions.  
- It includes a watchdog timer, manual reset input, and backup battery switchover for power-fail detection.  

### **Features:**  
- **Power Supply Monitoring:** Monitors +5V, +3.3V, or adjustable voltage supplies.  
- **Reset Output:** Active-low reset signal with a 200ms delay (typical) after VCC reaches the threshold.  
- **Watchdog Timer:** 1.6-second timeout period (adjustable).  
- **Manual Reset Input:** Allows external push-button reset control.  
- **Backup Battery Switchover:** Switches to a backup battery when VCC drops below a preset threshold.  
- **Low Quiescent Current:** Typically 50µA in normal operation.  
- **Operating Voltage Range:** 1.2V to 5.5V.  
- **Temperature Range:** Commercial (0°C to +70°C).  
- **Package:** 8-pin PDIP (Plastic Dual In-Line Package).  

### **Applications:**  
- Microprocessor and microcontroller systems.  
- Embedded systems requiring power monitoring.  
- Battery-powered equipment.  
- Industrial and automotive electronics.  

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

Application Scenarios & Design Considerations

Microprocessor Supervisory Circuits

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