INA181A2IDBVR

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INA181A2IDBVR

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thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
OutputType Rail-to-Rail
SlewRate 2V/µs
-3dbBandwidth 350 kHz
Current-Supply 260µA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 5.5 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SOT-23-6

Tổng quan

Description

The INA181A2IDBVR is a precision, bidirectional current sense amplifier manufactured by Texas Instruments. It is designed to monitor current flow in various applications by measuring the voltage across a shunt resistor and amplifying this signal for further processing. The key features of the INA181A2IDBVR include wide supply voltage range (2.7V to 5.5V), excellent precision with low offset voltage, and high common-mode voltage range accommodating up to 26V. Its gain is typically set at 50 V/V, making it suitable for a range of sensing applications.
This device is housed in a small SOT-23 package, making it convenient for compact circuit designs. It also features a low quiescent current, which is advantageous for battery-powered applications. Typical use cases include power management systems, battery chargers, motor control, and other applications requiring precise current measurement. With its robust design, the INA181A2IDBVR provides reliable performance in dynamic environments, offering designers a compact, efficient, and precise solution for current sensing needs.

Equivalent

The INA181A2IDBVR is a current sense amplifier from Texas Instruments. Equivalent products include:
1. MAX4080/4081 from Maxim Integrated
2. AD8210 from Analog Devices
3. ZXCT1107 from Diodes Incorporated
4. MCP6H01 from Microchip Technology
5. TSC2010 from STMicroelectronics
These alternatives may offer similar functionalities, but it's essential to check specific parameters like gain, bandwidth, and supply voltage to ensure compatibility with your application.

Features

The INA181A2IDBVR is a high-precision current sense amplifier manufactured by Texas Instruments. Key features include:
1. Wide Supply Range: Operates from 2.7V to 5.5V, making it versatile for various applications.

2. Accuracy: Offers a low offset voltage and excellent precision, improving measurement accuracy.

3. Gain Option: The A2 version provides a fixed gain of 50 V/V, suitable for mid-range signal amplification.

4. Bandwidth: Ensures fast response with a bandwidth of approximately 350 kHz.

5. Input Common-Mode Range: Can handle common-mode voltages from -0.2V to +26V, making it robust for different environments.

6. Package: Available in a compact SOT-23-5 package for efficient board space utilization.

7. Low Quiescent Current: Draws minimal current, enhancing power efficiency in battery-powered devices.

8. Temperature Range: Functions effectively in temperatures ranging from -40°C to +125°C.
These features make the INA181A2IDBVR suitable for current monitoring in consumer electronics, automotive systems, and industrial applications.

Pinout

The INA181A2IDBVR is a current-sense amplifier produced by Texas Instruments. It comes in a 6-pin SOT-23 package. The pin functions are as follows:
1. V+: Power supply voltage pin.
2. OUT: Output pin where the amplified signal is provided.
3. GND: Ground pin.
4. IN-: Inverting input pin for the differential voltage.
5. IN+: Non-inverting input pin for the differential voltage.
6. REF: Reference voltage input pin to set the output voltage level when there is no differential input voltage.
The INA181A2IDBVR is used for precision current sensing in applications such as battery management systems, motor control, and power supply monitoring. It amplifies small differential voltages typically developed across a current-sense resistor in the presence of large common-mode voltages.

Manufacturer

The INA181A2IDBVR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. The company is one of the top semiconductor companies worldwide and is primarily known for its development of analog chips and embedded processors, which are critical components in a wide array of electronic devices. TI’s products are used in various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. With a strong focus on innovation and technology, Texas Instruments plays a vital role in advancing electronics technology.

Application

The INA181A2IDBVR is a low-power, high-precision current sense amplifier suitable for various applications. It is commonly used in:
1. Battery Management Systems: Monitoring charge and discharge currents.
2. Power Management: Tracking power usage in power supplies and converters.
3. Motor Control: Measuring current in DC motors for feedback and control.
4. Overcurrent Protection: Detecting and responding to overcurrent conditions.
5. Consumer Electronics: Enhancing power efficiency and performance.
6. Industrial Automation: Monitoring and controlling current in industrial equipment.
Its compact size and high accuracy make it ideal for portable and space-constrained designs.

Package

The INA181A2IDBVR is packaged in a SOT-23-6 (Small Outline Transistor) format.

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