INA154U

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INA154U

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  • HerstellerTexas Instruments

  • Herstellerteil #INA154U

  • Auf Lager1410

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Attribut Wert
Package / Case Tube
Part Status Active
Amplifier Type Differential
Number of Circuits 1
Slew Rate 14V/µs
-3 dB Bandwidth 3.1 MHz
Voltage - Input Offset 100 µV
Supply Current 2.4mA
Current - Output / Channel 60 mA
Voltage - Supply Span(Min) 8 V
Voltage - Supply Span(Max) 36 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Übersicht

Description

The INA154U is a high-performance, unidirectional current shunt monitor from Texas Instruments. It is designed to measure small differential voltages over a wide range of common-mode voltages, making it suitable for current monitoring applications in various systems. The device features a voltage output that is proportional to the input differential voltage, allowing for simple interfacing with analog-to-digital converters (ADCs) or microcontrollers.
Key characteristics of the INA154U include a fixed gain of 50, wide input common-mode range from -16V to +80V, and low offset voltage, which enhances measurement accuracy. It operates over a supply voltage range from 2.7V to 36V, making it versatile for a variety of applications.
The chip is available in a small SOP-8 package, facilitating ease of integration into compact designs. Its robust performance and reliability make it suitable for use in automotive, industrial, and power management systems where accurate current measurement is critical.

Equivalent

The INA154U is a precision difference amplifier from Texas Instruments. Equivalent products include:
1. AD8276 from Analog Devices - Dual-Channel, Low Power, Precision Difference Amplifier.
2. MAX4198 from Maxim Integrated - Precision Difference Amplifier with High Common-Mode Voltage Range.
3. LT1990 from Analog Devices (formerly Linear Technology) - Precision, High Voltage Difference Amplifier.
These alternatives offer similar precision and functionality, suitable for various applications needing differential voltage measurement. Always verify pin compatibility and specifications when considering replacements.

Features

The INA154U is a precision instrumentation amplifier designed by Texas Instruments. Key features include:
1. Wide Supply Voltage Range: Operates from a single 2.7V to 36V or dual ±1.35V to ±18V power supply, providing flexibility for various applications.
2. Low Quiescent Current: With a typical quiescent current of 700 µA, it ensures efficient power consumption.
3. High Common-Mode Rejection Ratio (CMRR): Offers a CMRR of up to 93 dB, allowing for accurate differential signal amplification in the presence of common-mode noise.
4. Fixed Gain: The device provides a fixed gain of 10, simplifying design requirements by eliminating the need for external resistors to set gain.
5. Rail-to-Rail Output: Supports rail-to-rail output, maximizing dynamic range for output signals.
6. Low Offset Voltage: Features a low offset voltage, typically 250 µV, which minimizes errors in low-level signal amplification.
7. Temperature Range: Operates over a wide temperature range from -40°C to +85°C, suitable for industrial and commercial applications.
These features make the INA154U ideal for applications needing precise differential signal amplification, such as sensor signal conditioning and data acquisition systems.

Pinout

The INA154U is a high-speed difference amplifier manufactured by Texas Instruments, typically used for precision signal conditioning in data acquisition systems. It is available in an SOIC (Small Outline Integrated Circuit) package. The INA154U has an 8-pin configuration.
Here is a brief overview of the pin functions:
1. V+ (Pin 1): Positive power supply.
2. RG1 (Pin 2): Gain setting resistor terminal 1.
3. V- (Pin 3): Negative power supply.
4. RG2 (Pin 4): Gain setting resistor terminal 2.
5. VOUT (Pin 5): Output voltage.
6. REF (Pin 6): Reference voltage input. This pin is used to offset the output voltage.
7. IN- (Pin 7): Inverting input.
8. IN+ (Pin 8): Non-inverting input.
The INA154U is designed for high precision applications, providing a high common-mode rejection ratio (CMRR) and low DC errors, making it suitable for differential signal amplification, particularly in environments with large common-mode voltages.

Manufacturer

The INA154U is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. The company is known for its innovation and development in the electronics industry, providing components that are integral to various applications, including industrial, automotive, personal electronics, and communications equipment. TI's focus is on developing technologies that help their clients create efficient and effective electronic systems.

Application

The INA154U is an instrumentation amplifier commonly used for precise low-level signal amplification. Its application areas include industrial process controls, where it can monitor sensor outputs accurately, and in medical instrumentation for amplifying biological signals such as ECG or EEG. It's also utilized in data acquisition systems for enhanced signal conditioning and in automotive systems for various sensor interfaces. Additionally, the INA154U finds use in test and measurement equipment, providing high common-mode rejection and low noise amplification, making it suitable for environments with significant electrical noise. Its compact size and reliability further make it ideal for embedded systems requiring precise analog signal processing.

Package

The INA154U is an instrumentation amplifier IC from Texas Instruments, and it comes in a SOIC-8 package type, which stands for Small Outline Integrated Circuit with 8 pins.

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