INA146UA

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INA146UA

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Attribut Wert
Package Tube
ProductStatus Obsolete
AmplifierType Differential
NumberofCircuits 1
SlewRate 0.45V/µs
-3dbBandwidth 550 kHz
Current-InputBias 50 nA
Voltage-InputOffset 1 mV
Current-Supply 570µA
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)

Übersicht

Description

The INA146UA is a precision, high common-mode voltage difference amplifier produced by Texas Instruments. It is designed for applications requiring accurate voltage difference measurements in environments with high common-mode voltages. The device is capable of handling input common-mode voltages up to ±100V while providing a differential signal output, making it suitable for high-voltage monitoring and sensor interface applications.
Key features of the INA146UA include low offset voltage, wide bandwidth, and high common-mode rejection ratio (CMRR), which ensures accurate and reliable performance. It operates over a wide power supply range and offers low power consumption, making it suitable for battery-powered and energy-efficient applications.
The INA146UA comes in an 8-pin SOIC package, providing ease of integration into various circuit designs. It is often used in industrial and instrumentation applications, where precise measurement of voltage differences is critical. Its robust performance and reliable operation in challenging environments make the INA146UA a preferred choice for engineers and designers working on high-voltage measurement systems.

Equivalent

The INA146UA is a precision difference amplifier. Equivalent products include:
1. INA149 - Texas Instruments offers a similar high-voltage, high-precision difference amplifier.
2. AD8271 - Analog Devices provides this difference amplifier with similar functionalities.
3. MAX4198 - Maxim Integrated offers this precision difference amplifier for various applications.
4. LT1991 - Analog Devices also offers this versatile precision difference amplifier.
Specifications may vary, so it's important to review the datasheets for compatibility with your application.

Features

The INA146UA is a precision difference amplifier, commonly used in various electronic applications for accurate differential signal measurement. Key features include:
1. High Common-Mode Rejection Ratio (CMRR): It offers excellent common-mode noise rejection, making it ideal for applications where the signal of interest is superimposed on high common-mode voltages.
2. Wide Input Range: The device supports a wide input common-mode voltage range, enhancing flexibility in interfacing with different signal levels.
3. Precision and Stability: The amplifier provides high precision with low offset voltage and minimal drift over temperature, ensuring reliable performance in critical applications.
4. Low Power Consumption: Designed for efficient operation, it consumes minimal power, which is beneficial for battery-powered devices.
5. Wide Supply Voltage Range: It operates over a broad supply voltage range, making it suitable for various power supply configurations.
6. Compact Package: The UA suffix indicates an SOIC-8 package, providing a compact form factor for space-constrained applications.
These features make the INA146UA suitable for industrial, automotive, and instrumentation applications where accurate differential measurements are required.

Pinout

The INA146UA is a precision difference amplifier from Texas Instruments. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the INA146UA is to amplify the difference between two input voltages while rejecting any voltage that is common to both inputs. This makes it useful for applications where precise differential measurements are required, such as in data acquisition systems and sensor signal conditioning.
The pin configuration is as follows:
1. V+ (Pin 1): Positive supply voltage.
2. IN+ (Pin 2): Non-inverting input.
3. IN- (Pin 3): Inverting input.
4. GND (Pin 4): Ground connection.
5. Ref (Pin 5): Reference voltage input, allowing the output to be offset.
6. OUT (Pin 6): Output voltage, which is the amplified difference of the input voltages.
7. V- (Pin 7): Negative supply voltage.
8. NC (Pin 8): No internal connection, typically left unconnected.
The device offers high accuracy and stability, suitable for use in challenging environments and applications requiring precise voltage measurements.

Manufacturer

The INA146UA is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and produces a wide variety of analog and embedded processing chips. TI's products are used in a broad range of electronic devices, spanning industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is known for its innovation and contributions to advancing electronics technology, with a focus on making electronics more efficient, reliable, and affordable.

Application

The INA146UA is a precision difference amplifier commonly used in applications requiring accurate voltage measurements and signal conditioning. Key application areas include:
1. Instrumentation Systems: For precise measurement of differential voltages, particularly in multi-channel data acquisition systems.
2. Industrial Process Controls: Monitoring and control of industrial processes where signal integrity is crucial.
3. Automotive Systems: Used in sensor interfacing for systems like engine control units and battery management.
4. Medical Equipment: In devices requiring stable and precise signal amplification, such as ECG and EEG machines.
5. Power Management Systems: For current sensing and feedback control in power supplies and energy management systems.
Its high common-mode rejection and low offset voltage make it ideal for these applications.

Package

The INA146UA is an integrated circuit that comes in an SOIC-8 package, which is a Small Outline Integrated Circuit with 8 pins. This type of package is commonly used for surface mounting on printed circuit boards.

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