INA331IDGKR

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INA331IDGKR

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IC INST AMP 1 CIRCUIT 8VSSOP

  • 製造商德州儀器

  • 製造商部分 #INA331IDGKR

  • 有存貨1503

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規格

屬性 價值
Part Status Active
Base Product Number INA331
Amplifier Type Instrumentation
Number of Circuits 1
Output Type Rail-to-Rail
Slew Rate 5V/µs
Current - Input Bias 0.5 pA
Voltage - Input Offset 250 µV
Current - Supply 415µA
Voltage - Supply Span (Min) 2.5 V
Voltage - Supply Span (Max) 5.5 V
Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount
Package 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP
Packaging Cut Tape (CT), Tape & Reel (TR)
-3db Bandwidth 2 MHz
Current - Output / Channel 48 mA

概述

Description

The INA331IDGKR is a precision instrumentation amplifier by Texas Instruments, designed for applications requiring high accuracy and stability. Key features include a high common-mode rejection ratio (CMRR), low offset voltage, and low offset voltage drift, making it suitable for precise low-level signal amplification. The amplifier operates over a wide supply range, typically from 2.7V to 5.5V, and offers rail-to-rail output, enhancing its versatility in various applications.
It is particularly useful in sensor signal conditioning, medical instrumentation, and data acquisition systems. The device is available in a small-outline package (SOP) for space-constrained applications. Its gain can be set externally with resistors, providing design flexibility to suit specific application needs.
Overall, the INA331IDGKR is tailored for environments where signal integrity and accuracy are critical, offering a reliable solution for amplifying differential signals while rejecting noise and interference effectively.

Equivalent

The INA331IDGKR is a precision instrumentation amplifier by Texas Instruments. Equivalent products might include:
1. AD620 by Analog Devices: A low-cost, high-accuracy instrumentation amplifier.
2. MAX4197 by Maxim Integrated: A high-precision instrumentation amp.
3. LT1167 by Analog Devices (formerly Linear Technology): Low-power instrumentation amplifier.
4. INA128 by Texas Instruments: Precision instrumentation amplifier with similar features.
Always compare specific features and specifications to ensure compatibility with your application.

Features

The INA331IDGKR is a precision instrumentation amplifier from Texas Instruments. Key features include:
1. High Accuracy: It offers low offset voltage and drift, ensuring precise signal amplification.

2. Wide Bandwidth: The amplifier provides a wide bandwidth, making it suitable for high-speed applications.
3. Low Power Consumption: It operates with low power, making it ideal for battery-powered devices.
4. Rail-to-Rail Output: This feature maximizes dynamic range and is beneficial for applications requiring full-scale output.
5. High Common-Mode Rejection Ratio (CMRR): It maintains accuracy by rejecting noise and interference common to both input lines.
6. Wide Supply Range: The device supports a wide supply voltage range, enhancing compatibility with various systems.
7. Small Package Size: Offered in a small package, it is suitable for space-constrained applications.
8. Versatile: Suitable for various applications, including medical instrumentation, data acquisition, and sensor signal conditioning.
Overall, the INA331IDGKR is designed for applications requiring precise, low-power amplification with high CMRR and a wide bandwidth.

Pinout

The INA331IDGKR is a precision instrumentation amplifier from Texas Instruments. It is typically provided in an 8-pin VSSOP package. The key function of the INA331 is to amplify small differential voltages and reject common-mode noise, making it suitable for precision measurement applications.
Here are the primary pin functions:
1. V+ (Pin 8): Positive power supply.
2. V- (Pin 4): Negative power supply or ground.
3. IN+ (Pin 3): Non-inverting input.
4. IN- (Pin 2): Inverting input.
5. REF (Pin 5): Reference voltage input to set the output zero level.
6. OUT (Pin 6): Output voltage.
7. RG (Pin 1 and 7): Gain setting pins, connected with an external resistor to set the amplifier's gain.
The INA331 provides low offset voltage, low drift, and high common-mode rejection ratio (CMRR), making it suitable for sensor signal conditioning and other precision instrumentation applications.

Manufacturer

The INA331IDGKR is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies worldwide and is well-known for its innovation in the electronics industry. The company's products are used in a wide range of applications, including consumer electronics, automotive systems, industrial equipment, and more. Texas Instruments focuses on developing analog chips, embedded processors, and digital light processing (DLP) technology, among other products. Its commitment to innovation and quality has made it a key player in advancing technology in various sectors.

Application

The INA331IDGKR is a precision instrumentation amplifier, commonly used in applications requiring accurate low-level signal amplification. Its key application areas include:
1. Medical Instrumentation: For amplifying biopotential signals such as ECGs and EEGs.
2. Industrial Automation: Used in sensor signal conditioning to enhance signal accuracy.
3. Weigh Scales: Amplifies signals from load cells for precise weight measurements.
4. Data Acquisition Systems: Enhances signal integrity for accurate data processing.
5. Process Control: Used in systems requiring high precision and stability.
Overall, the INA331IDGKR is ideal for any application requiring precise signal amplification with low power consumption.

Package

The INA331IDGKR is an instrumentation amplifier by Texas Instruments and comes in an 8-pin VSSOP (DGK) package. VSSOP (Very-Small-Size Outline Package) is a compact form factor designed for space-efficient applications.

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