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MAX811 from MAX,MAXIM - Dallas Semiconductor

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MAX811

Manufacturer: MAX

4-Pin µP Voltage Monitors with Manual RESET Input

Partnumber Manufacturer Quantity Availability
MAX811 MAX 193 In Stock

Description and Introduction

4-Pin µP Voltage Monitors with Manual RESET Input The MAX811 is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:**  
  - 2.63V, 2.93V, 3.08V, 4.38V, 4.63V (factory-set)  
  - Adjustable version (MAX811R) available  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 6μA (typ)  
- **Output Type:** Active-low RESET (open-drain or push-pull)  

### **Descriptions:**  
The MAX811 monitors the power supply voltage of a microprocessor and provides a reset signal if the voltage drops below a preset threshold. It ensures proper system initialization during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Low Power Consumption:** 6μA typical supply current  
- **Manual Reset Input:** Allows external reset control (MAX811M variant)  
- **Guaranteed Reset Valid Down to VCC = 1V**  
- **No External Components Required** (fixed threshold versions)  
- **Small Package Options:** SOT23-3, SC70-3, and TO-92  
- **Hysteresis:** Built-in for noise immunity  

The MAX811 is commonly used in embedded systems, portable electronics, and industrial applications requiring reliable power monitoring.  

(Note: For exact part numbers and configurations, refer to the official Maxim Integrated datasheet.)

Application Scenarios & Design Considerations

4-Pin µP Voltage Monitors with Manual RESET Input

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