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INA115AU from TI/BB,Texas Instruments

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INA115AU

Manufacturer: TI/BB

Precision INSTRUMENTATION AMPLIFIER

Partnumber Manufacturer Quantity Availability
INA115AU TI/BB 402 In Stock

Description and Introduction

Precision INSTRUMENTATION AMPLIFIER The INA115AU is a precision instrumentation amplifier manufactured by Texas Instruments (TI) and Burr-Brown (BB). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage Range:** ±2.25V to ±18V  
- **Input Voltage Range:** ±10V (with ±15V supply)  
- **Common-Mode Voltage Range:** ±11.5V (with ±15V supply)  
- **Gain Range:** 1 to 10,000 (set via external resistor)  
- **Gain Accuracy:** 0.5% max (G = 1)  
- **Input Offset Voltage:** 50µV max  
- **Input Bias Current:** 2nA max  
- **CMRR (Common-Mode Rejection Ratio):** 115dB min (G = 1000)  
- **Bandwidth:** 200kHz (G = 1)  
- **Slew Rate:** 1.2V/µs  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin SOIC  

### **Descriptions:**  
The INA115AU is a high-precision, low-noise instrumentation amplifier designed for applications requiring accurate signal amplification in the presence of common-mode noise. It features laser-trimmed resistors for high gain accuracy and low offset voltage.  

### **Features:**  
- **Low Offset Voltage:** 50µV max  
- **Low Noise:** 10nV/√Hz at 1kHz  
- **High CMRR:** 115dB min (G = 1000)  
- **Wide Supply Range:** ±2.25V to ±18V  
- **Low Input Bias Current:** 2nA max  
- **External Gain Setting:** Adjustable from 1 to 10,000  
- **Laser-Trimmed Resistors:** Ensures high precision  
- **Stable with Capacitive Loads:** No external compensation needed  

The INA115AU is commonly used in medical instrumentation, industrial sensors, and data acquisition systems where high accuracy and noise rejection are critical.

Application Scenarios & Design Considerations

Precision INSTRUMENTATION AMPLIFIER

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