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INA331IDGKRG4 from TEAX

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INA331IDGKRG4

Manufacturer: TEAX, TI/BB

Low-Power, Single Supply, CMOS, Instrumentation Amplifier 8-VSSOP -55 to 125

Partnumber Manufacturer Quantity Availability
INA331IDGKRG4 TEAX, TI/BB 287 In Stock

Description and Introduction

Low-Power, Single Supply, CMOS, Instrumentation Amplifier 8-VSSOP -55 to 125 The **INA331IDGKRG4** is a precision instrumentation amplifier manufactured by **Texas Instruments (TI)/Burr-Brown (BB)**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)/Burr-Brown (BB)  
- **Series:** INA331  
- **Package:** VSSOP-8 (DGK)  
- **Supply Voltage Range:** ±1.35V to ±18V  
- **Input Offset Voltage:** ±150µV (max)  
- **Gain Bandwidth Product:** 1MHz  
- **Gain Range:** 5V/V to 1000V/V (externally adjustable)  
- **Quiescent Current:** 700µA (typical)  
- **Common-Mode Rejection Ratio (CMRR):** 100dB (min)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Input Bias Current:** ±0.5nA (typical)  

### **Descriptions:**  
- The INA331IDGKRG4 is a **precision instrumentation amplifier** designed for low-power, high-accuracy applications.  
- It features **rail-to-rail output swing**, making it suitable for single or dual-supply operation.  
- The gain is set using an **external resistor**, providing flexibility for various signal conditioning needs.  

### **Features:**  
- **Low Offset Voltage:** Ensures high accuracy in signal amplification.  
- **Wide Supply Range:** Operates from ±1.35V to ±18V, supporting diverse applications.  
- **Low Power Consumption:** Ideal for battery-powered systems.  
- **High CMRR:** Rejects common-mode noise effectively.  
- **Small Package (VSSOP-8):** Space-efficient for compact designs.  
- **Rail-to-Rail Output:** Maximizes dynamic range in low-voltage applications.  

This amplifier is commonly used in **medical instrumentation, industrial sensors, and precision data acquisition systems**.  

(No additional suggestions or guidance included.)

Application Scenarios & Design Considerations

Low-Power, Single Supply, CMOS, Instrumentation Amplifier 8-VSSOP -55 to 125

Alternative Part Number

  • AD8420ARMZ --: Instrumentation amplifier with similar low-power, rail-to-rail functionality and comparable package, suitable as a functional replacement.
  • INA331AIDGKR --: Same INA331 family variant in the same VSSOP package, offering equivalent electrical performance for drop-in evaluation.
  • LT1789CS8 --: Low-power instrumentation amplifier with similar gain and supply characteristics, usable as an alternative with minor layout adaptation.
  • INA826AIDGKR --: Rail-to-rail instrumentation amplifier from a different TI series offering similar functionality and package compatibility for general-purpose signal conditioning.

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