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MAX4091 from MAXIM,MAXIM - Dallas Semiconductor

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15.625ms

MAX4091

Manufacturer: MAXIM

Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps

Partnumber Manufacturer Quantity Availability
MAX4091 MAXIM 500 In Stock

Description and Introduction

Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps The MAX4091 is a low-power, high-side current-sense amplifier manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its **specifications, descriptions, and features** based on factual data:

### **Specifications:**  
- **Supply Voltage Range:** +2.7V to +28V  
- **Input Common-Mode Voltage Range:** +2.7V to +28V  
- **Gain Options:**  
  - MAX4091A: 20V/V  
  - MAX4091B: 50V/V  
  - MAX4091C: 100V/V  
- **Quiescent Current:** 50µA (typical)  
- **Accuracy:**  
  - Gain Error: ±0.5% (max)  
  - Offset Voltage: ±500µV (max)  
- **Bandwidth:** 200kHz (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:**  
  - 5-Pin SOT23  
  - 8-Pin µMAX  

### **Descriptions:**  
The MAX4091 is designed for **high-side current sensing** in applications such as battery monitoring, power management, and motor control. It operates with a wide input common-mode voltage range, making it suitable for systems with varying supply voltages. The device provides a **ground-referenced output**, simplifying interface with ADCs or microcontrollers.  

### **Features:**  
- **Low Power Consumption:** 50µA quiescent current  
- **Wide Input Voltage Range:** Supports up to +28V  
- **High Accuracy:** Low gain error and offset voltage  
- **Small Footprint:** Available in SOT23 and µMAX packages  
- **Integrated Gain Resistors:** Eliminates external components  
- **Reverse Battery Protection:** Tolerates -16V at input  

This information is sourced from the **official MAX4091 datasheet** by Maxim Integrated. No additional guidance or suggestions are included.

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