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LT1991ACDD from LINEAR

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LT1991ACDD

Manufacturer: LINEAR

Precision, 100碌A Gain Selectable Amplifier

Partnumber Manufacturer Quantity Availability
LT1991ACDD LINEAR 550 In Stock

Description and Introduction

Precision, 100碌A Gain Selectable Amplifier The LT1991ACDD is a precision, high-side current sense amplifier manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** LINEAR (Linear Technology)  
- **Part Number:** LT1991ACDD  
- **Package:** DFN-8  
- **Input Common-Mode Voltage Range:** 0V to 60V  
- **Supply Voltage Range:** 2.7V to 60V  
- **Gain Options:** Fixed gains of 10, 20, 50, or 100  
- **Bandwidth:** 500kHz (typical)  
- **Offset Voltage:** ±150µV (max)  
- **Quiescent Current:** 400µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions and Features:**  
- **Precision High-Side Current Sensing:** Accurately measures current flow in high-voltage applications.  
- **Wide Input Common-Mode Range:** Supports operation from 0V to 60V, independent of supply voltage.  
- **Low Offset Voltage:** Ensures accurate current measurement.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Fixed Gain Options:** Eliminates the need for external resistors.  
- **Small Footprint:** DFN-8 package for space-constrained designs.  
- **Robust Design:** Suitable for automotive, industrial, and power management applications.  

This device is designed for applications requiring precise current monitoring, such as battery management, motor control, and power supply monitoring.

Partnumber Manufacturer Quantity Availability
LT1991ACDD LT 313 In Stock

Description and Introduction

Precision, 100碌A Gain Selectable Amplifier The LT1991ACDD is a precision, high-side current sense amplifier manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Manufacturer:** Linear Technology (Analog Devices)  
- **Part Number:** LT1991ACDD  
- **Package:** DFN-8 (3mm x 3mm)  
- **Supply Voltage Range:** 2.7V to 44V  
- **Input Common-Mode Voltage Range:** -0.3V to 44V  
- **Gain Options:**  
  - LT1991A-1: 20V/V  
  - LT1991A-2: 50V/V  
  - LT1991A-3: 100V/V  
- **Bandwidth:** 500kHz (Typical)  
- **Quiescent Current:** 500µA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Accuracy:**  
  - Gain Error: ±0.5% (Max)  
  - Offset Voltage: ±150µV (Max)  

### **Descriptions and Features:**  
- **High-Side Current Sensing:** Measures current without disrupting the ground path.  
- **Wide Input Common-Mode Range:** Operates from -0.3V to 44V, independent of supply voltage.  
- **Low Offset Voltage:** Ensures accurate current measurement.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Fixed Gain Options:** Eliminates the need for external resistors.  
- **Rail-to-Rail Output:** Provides full dynamic range.  
- **Robust Design:** Tolerant of high-voltage transients.  

The LT1991ACDD is commonly used in automotive, industrial, and power management applications for precise current monitoring.

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