INA129U

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INA129U

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  • ManufacturerTexas Instruments

  • Mfr. Part #INA129U

  • In Stock7500

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Specifications

Attribute Value
Package Tube
ProductStatus Active
AmplifierType Instrumentation
NumberofCircuits 1
SlewRate 4V/µs
-3dbBandwidth 1.3 MHz
Current-InputBias 20 nA
Voltage-InputOffset 10 µV
Current-Supply 700µA
Current-Output/Channel 15 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)

Overview

Description

The INA129U is a precision instrumentation amplifier commonly used in various electronic applications for accurate low-level signal amplification. It is part of the INA12x family, designed by Texas Instruments, and is known for its high precision, low power consumption, and cost-effectiveness. The device is available in an SOIC package, making it suitable for surface-mount applications.
Key features of the INA129U include low offset voltage, low input bias current, and a wide supply voltage range, typically from ±2.25V to ±18V. It offers excellent performance with a low noise level and high common-mode rejection ratio (CMRR), making it ideal for use in medical instrumentation, data acquisition, and industrial process controls.
The gain of the INA129U is adjustable through the use of an external resistor, allowing for flexibility in various applications. Its robust design ensures reliability and stability, even in challenging environments. Overall, the INA129U is a versatile and dependable choice for precision signal amplification needs.

Equivalent

The INA129U is a precision instrumentation amplifier. Equivalent products include:
1. AD620 from Analog Devices
2. MAX4194 from Maxim Integrated
3. LT1167 from Analog Devices (formerly Linear Technology)
4. MCP6N11 from Microchip Technology
These alternatives have similar functionalities, with variations in parameters like supply voltage, input noise, and gain bandwidth. Always check the specific requirements of your application to ensure compatibility.

Features

The INA129U is a precision instrumentation amplifier designed for applications requiring high accuracy and low noise. Key features include:
1. Low Power Consumption: It operates with low supply current, making it suitable for battery-powered applications.
2. High Common-Mode Rejection Ratio (CMRR): This ensures accurate readings by minimizing interference from noise signals common to both inputs.
3. Wide Supply Range: It can operate with a supply range from ±2.25V to ±18V, offering flexibility for various applications.
4. Low Offset Voltage and Drift: These characteristics contribute to its precision by minimizing errors over temperature changes.
5. Adjustable Gain: The gain can be set with a single external resistor, allowing for easy customization to specific needs.
6. Differential Input: It can handle differential input signals, making it ideal for sensor applications.
7. Temperature Range: The INA129U functions reliably over a wide temperature range, typically from -40°C to +85°C.
These features make the INA129U suitable for applications like medical instrumentation, data acquisition systems, and industrial process controls, where precision and reliability are critical.

Pinout

The INA129U is a precision instrumentation amplifier manufactured by Texas Instruments. It comes in an SOIC-8 package, meaning it has 8 pins. The pin configuration and functions are as follows:
1. V+: Positive power supply pin.
2. V-: Negative power supply pin (or ground in single-supply operation).
3. RG: Gain setting pin. Connect an external resistor between RG pins to set the gain of the amplifier.
4. RG: Second gain setting pin, works in conjunction with the other RG.
5. +IN: Non-inverting input.
6. -IN: Inverting input.
7. REF: Reference input pin. Used to set the output reference voltage.
8. OUT: Output pin. Provides the amplified output voltage.
The INA129U is designed for high-precision applications, providing low offset voltage, high common-mode rejection, and low noise. It is commonly used in sensor signal conditioning, data acquisition, and other applications requiring precise differential signal amplification.

Manufacturer

The INA129U is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments is a global semiconductor company that designs and manufactures a variety of integrated circuits, including analog and embedded processing chips. The company serves a wide range of industries, providing components that are essential for electronic devices and systems, such as industrial, automotive, personal electronics, and communications equipment. TI is renowned for its innovation in semiconductor technology and has a significant presence in the global electronics market.

Application

The INA129U is a precision instrumentation amplifier used in various applications requiring accurate and stable signal amplification. Key application areas include:
1. Medical Instrumentation: Used in ECG, EEG, and other biomedical monitoring devices for precise biopotential measurements.
2. Industrial Automation: Employed in sensor signal conditioning for pressure, temperature, and flow measurements.
3. Weigh Scales: Utilized in load cell signal amplification for accurate weight measurements.
4. Data Acquisition Systems: Enhances signal integrity for accurate data recording and processing.
5. Test and Measurement Equipment: Provides precise signal amplification in laboratory instruments.
6. Strain Gauge Amplification: Used in structural monitoring and testing applications.
Overall, the INA129U is ideal for applications requiring high accuracy and stability in signal amplification.

Package

The INA129U is an instrumentation amplifier, and its package type is the SOIC-8 (Small Outline Integrated Circuit with 8 pins).

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