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MAX803REXR+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX803REXR+

Manufacturer: MAXIM

3-Pin Microprocessor Reset Circuits

Partnumber Manufacturer Quantity Availability
MAX803REXR+,MAX803REXR MAXIM 260 In Stock

Description and Introduction

3-Pin Microprocessor Reset Circuits The **MAX803REXR+** is a microprocessor (μP) supervisory circuit manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:  

### **Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Type:** Voltage Monitor / Supervisor IC  
- **Output Type:** Active-Low, Push-Pull  
- **Number of Voltages Monitored:** 1  
- **Threshold Voltage:** Adjustable or Fixed (depending on variant)  
- **Reset Timeout Period:** Typically 140ms (adjustable in some models)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Quiescent Current:** Low (typically 5μA)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT23-3  

### **Descriptions:**  
The **MAX803REXR+** is a precision voltage monitor designed to ensure proper system operation by monitoring the power supply voltage. It asserts a reset signal when the voltage falls below a preset threshold, preventing erratic behavior in microprocessors or digital systems.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Precision Monitoring:** Accurate voltage detection with factory-set or adjustable thresholds.  
- **Manual Reset Input:** Allows external reset control (if applicable).  
- **Wide Voltage Range:** Supports monitoring from 1.2V to 5.5V.  
- **Small Form Factor:** Available in a compact SOT23-3 package.  
- **No External Components Required:** Simplifies circuit design.  

For exact threshold voltages and variant-specific details, refer to the official **MAXIM (Analog Devices) datasheet**.

Application Scenarios & Design Considerations

3-Pin Microprocessor Reset Circuits

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