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MAX471 from MAX,MAXIM - Dallas Semiconductor

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MAX471

Manufacturer: MAX

Precision, High-Side Current-Sense Amplifiers

Partnumber Manufacturer Quantity Availability
MAX471 MAX 5 In Stock

Description and Introduction

Precision, High-Side Current-Sense Amplifiers The MAX471 is a precision, high-side current-sense amplifier manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** +2.7V to +36V  
- **Current Measurement Range:** ±3A (with external sense resistor)  
- **Sense Voltage Range:** 0V to +36V  
- **Gain Accuracy:** ±0.5% (typical)  
- **Bandwidth:** 500kHz (typical)  
- **Quiescent Current:** 60µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** 8-pin SOIC, µMAX  

### **Descriptions:**  
The MAX471 is a high-side current-sense amplifier designed for precision current measurement in battery-powered and industrial applications. It integrates a precision amplifier and a low-value sense resistor to provide a voltage output proportional to the load current. The device operates over a wide supply range and is optimized for low power consumption.

### **Features:**  
- **High-Side Current Sensing:** Eliminates ground disturbances.  
- **Wide Input Voltage Range:** Supports up to +36V.  
- **Low Power Consumption:** 60µA typical quiescent current.  
- **Integrated Sense Resistor:** Reduces external component count.  
- **High Accuracy:** ±0.5% gain error (typical).  
- **Wide Bandwidth:** 500kHz for fast response.  
- **Reverse Battery Protection:** Tolerates -36V at input.  
- **Small Footprint:** Available in 8-pin SOIC and µMAX packages.  

The MAX471 is commonly used in battery monitoring, power management, and industrial control systems.

Application Scenarios & Design Considerations

Precision, High-Side Current-Sense Amplifiers

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