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INA121UA

FET-Input/ Low Power INSTRUMENTATION AMPLIFIER

Partnumber Manufacturer Quantity Availability
INA121UA 10 In Stock

Description and Introduction

FET-Input/ Low Power INSTRUMENTATION AMPLIFIER The INA121UA is a precision instrumentation amplifier manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Manufacturer:**  
Texas Instruments  

### **Specifications:**  
- **Supply Voltage Range:** ±2.25V to ±18V  
- **Quiescent Current:** 750µA (max)  
- **Gain Range:** 1 to 10,000 (set via external resistor)  
- **Input Offset Voltage:** 250µV (max)  
- **Input Bias Current:** 50nA (max)  
- **Common-Mode Rejection Ratio (CMRR):** 106dB (min)  
- **Bandwidth:** 200kHz (G = 1)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (UA)  

### **Descriptions:**  
The INA121UA is a low-power, high-precision instrumentation amplifier designed for accurate signal amplification in applications requiring high common-mode rejection and low noise. It is suitable for use in medical instrumentation, industrial sensors, and data acquisition systems.  

### **Features:**  
- **Low Power Consumption:** 750µA max quiescent current  
- **Wide Supply Range:** Operates from ±2.25V to ±18V  
- **High CMRR:** 106dB (min) ensures noise rejection  
- **Low Input Offset Voltage:** 250µV (max) for precision applications  
- **Adjustable Gain:** Set via a single external resistor  
- **Low Noise:** 35nV/√Hz at 1kHz  
- **Stable Operation:** High gain accuracy with minimal drift  

This information is based solely on the manufacturer's datasheet and technical documentation.

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