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INA331IDGKT from TI,TI,Texas Instruments

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INA331IDGKT

Manufacturer: TI,TI

Low-Power, Single Supply, CMOS, Instumentation Amplifier

Partnumber Manufacturer Quantity Availability
INA331IDGKT TI,TI 200 In Stock

Description and Introduction

Low-Power, Single Supply, CMOS, Instumentation Amplifier The INA331IDGKT is a precision instrumentation amplifier manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Low Quiescent Current:** 750µA (typical)  
- **Gain Bandwidth Product:** 1MHz  
- **Gain Range:** 5V/V to 1000V/V (set by external resistor)  
- **Input Offset Voltage:** ±150µV (max)  
- **CMRR (Common-Mode Rejection Ratio):** 100dB (min)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** VSSOP-8 (DGK)  

### **Descriptions and Features:**  
- **Precision Amplifier:** Provides high accuracy with low offset voltage and drift.  
- **Wide Supply Range:** Operates from 2.7V to 5.5V, suitable for battery-powered applications.  
- **Low Power Consumption:** Ideal for portable and power-sensitive designs.  
- **Adjustable Gain:** External resistor allows flexible gain setting.  
- **High CMRR:** Effectively rejects common-mode interference.  
- **Small Package:** VSSOP-8 footprint saves board space.  

The INA331IDGKT is commonly used in medical instrumentation, industrial sensors, and data acquisition systems.

Application Scenarios & Design Considerations

Low-Power, Single Supply, CMOS, Instumentation Amplifier

Alternative Part Number

  • AD8420ARMZ --: Instrumentation amplifier in MSOP package with similar low-power, rail-to-rail performance, a common cross-vendor substitute for the INA331.
  • MAX4194ESA --: Low-power instrumentation amplifier offering comparable gain and supply range, suitable as a functional replacement.
  • LT1167CS8 --: Precision instrumentation amplifier with similar gain configuration and low offset, usable as an alternative with minor layout changes.
  • INA333AIDGKT --: Same family instrumentation amplifier with comparable low offset and low power, pin-compatible in the same VSSOP package.
  • LT6376IMS#PBF --: Precision instrumentation amplifier offering similar gain and low-power performance for signal conditioning applications.

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