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INA111AU from BB

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INA111AU

Manufacturer: BB

High Speed FET-Input INSTRUMENTATION AMPLIFIER

Partnumber Manufacturer Quantity Availability
INA111AU BB 88 In Stock

Description and Introduction

High Speed FET-Input INSTRUMENTATION AMPLIFIER The INA111AU is a high-speed, FET-input instrumentation amplifier manufactured by Texas Instruments.  

### **Specifications:**  
- **Supply Voltage Range:** ±4.5V to ±18V  
- **Input Offset Voltage:** 500 µV (max)  
- **Input Bias Current:** 2 pA (typical)  
- **Bandwidth:** 2 MHz (G = 1)  
- **Slew Rate:** 20 V/µs  
- **Common-Mode Rejection Ratio (CMRR):** 106 dB (min)  
- **Gain Range:** 1 to 1000 (set by external resistor)  
- **Package:** 16-pin SOIC  

### **Descriptions:**  
The INA111AU is designed for precision signal amplification in high-speed applications. It features extremely low input bias current, making it suitable for use with high-impedance sources. The FET-input stage ensures minimal loading on the signal source.  

### **Features:**  
- **High Input Impedance:** FET input with low bias current  
- **Wide Bandwidth:** 2 MHz at G = 1  
- **Fast Settling Time:** 2 µs to 0.01%  
- **Low Noise:** 10 nV/√Hz at 1 kHz  
- **High CMRR:** 106 dB (min)  
- **Adjustable Gain:** 1 to 1000 via external resistor  
- **Stable Operation:** Unity gain stable  

This amplifier is commonly used in medical instrumentation, data acquisition, and test equipment due to its high-speed and precision characteristics.

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