INA143U

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INA143U

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  • Nhà sản xuấtTexas Dụng cụ

  • Ông. Phần #INA143U

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
ProductStatus Active
AmplifierType Differential
NumberofCircuits 1
SlewRate 5V/µs
-3dbBandwidth 150 kHz
Voltage-InputOffset 100 µV
Current-Supply 950µA
Current-Output/Channel 32 mA
Voltage-SupplySpan(Min) 4.5 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The INA143U is an instrumentation amplifier designed for precise and accurate signal amplification. It is commonly used in applications requiring high input impedance, low noise, and low offset voltage, making it ideal for precision data acquisition systems, medical instrumentation, and industrial process controls.
Key features of the INA143U include a wide supply voltage range, typically from ±4.5V to ±18V, allowing for versatile operation in various environments. It offers low offset voltage and drift, contributing to its high accuracy. The device also provides high common-mode rejection ratio (CMRR), which is essential for minimizing interference from unwanted signals.
The INA143U is designed with an integrated gain set by external resistors, allowing for flexibility and customization based on specific application needs. Its robust design ensures stability and reliability under different operating conditions.
Overall, the INA143U is valued for its precision, reliability, and adaptability in demanding applications where accurate signal amplification is critical.

Equivalent

The INA143U is a precision difference amplifier. Equivalent or similar products include:
1. AD629 from Analog Devices
2. MAX4198 from Maxim Integrated
3. LTC1992 from Linear Technology (Analog Devices)
4. INA117 from Texas Instruments
These components offer similar functionality for applications requiring differential voltage measurement and amplification. Always check the specific datasheets to ensure compatibility with your application requirements.

Features

The INA143U is a precision instrumentation amplifier designed for various applications requiring accurate differential signal amplification. Key features include:
1. High Accuracy: Offers excellent precision with low offset voltage and low drift over temperature, making it suitable for precision measurement tasks.
2. Wide Supply Range: Operates over a wide supply voltage range, typically from ±4.5V to ±18V, allowing flexibility in different power supply configurations.
3. Low Power Consumption: Designed for efficient power usage, making it ideal for battery-powered and portable applications.
4. High Common-Mode Rejection Ratio (CMRR): Provides high CMRR, which is crucial for rejecting noise and interference on the input lines.
5. Low Noise: Features low input-referred noise, which is beneficial for maintaining signal integrity in low-level signal applications.
6. Gain Configuration: Supports adjustable gain settings via external resistors, offering versatility for different application needs.
7. Compact Package: Available in space-saving SOIC packaging, suitable for compact PCB designs.
These features make the INA143U suitable for applications such as sensor signal conditioning, data acquisition systems, and medical instrumentation.

Pinout

The INA143U is a precision instrumentation amplifier manufactured by Texas Instruments. It is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here's a brief overview of the pin configuration and their functions:
1. Pin 1 (RG1): Gain Resistor Pin 1 - Used to set the gain of the amplifier in conjunction with RG2.
2. Pin 2 (V-): Negative Power Supply - Connects to the negative voltage supply.
3. Pin 3 (VIN-): Inverting Input - Connects to the negative input signal.
4. Pin 4 (VIN+): Non-Inverting Input - Connects to the positive input signal.
5. Pin 5 (REF): Reference Input - Used to set the output reference level.
6. Pin 6 (VOUT): Output - Provides the amplified output signal.
7. Pin 7 (V+): Positive Power Supply - Connects to the positive voltage supply.
8. Pin 8 (RG2): Gain Resistor Pin 2 - Used with RG1 to set the gain.
The INA143U is designed for precision applications, offering high accuracy and stability over temperature variations, making it suitable for various signal conditioning applications.

Manufacturer

The INA143U is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and integrated circuits, which are used in a wide variety of electronic applications. TI is particularly well-known for its analog chips and embedded processors, which are widely used in industries such as automotive, industrial, personal electronics, and communications. The company has a global presence and is considered one of the leading semiconductor companies in the world.

Application

The INA143U is a precision instrumentation amplifier commonly used in applications requiring accurate differential signal measurement and amplification. Key application areas include:
1. Industrial Automation: Monitoring and controlling industrial processes.
2. Medical Instrumentation: Enhancing low-level biomedical signals such as ECG or EEG.
3. Data Acquisition Systems: Capturing and processing analog signals from sensors.
4. Weighing Scales: Amplifying signals from load cells or strain gauges.
5. Test and Measurement Equipment: Providing precision measurements in laboratory instruments.
6. Automotive Sensors: Processing signals in automotive systems for better vehicle diagnostics.
Its high common-mode rejection ratio and low offset voltage make it suitable for precise and reliable measurements in various environments.

Package

The INA143U is packaged in an SOIC-8 (Small Outline Integrated Circuit) package, which is a small, surface-mounted package type with eight pins.

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