INA181A1IDBVR

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INA181A1IDBVR

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  • メーカー品番 #INA181A1IDBVR

  • 在庫状況6598

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仕様

属性
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-InputBias 75 µA
Voltage-InputOffset 100 µV
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

概要

Description

The INA181A1IDBVR is a precision, bidirectional current sense amplifier from Texas Instruments. It is designed to measure small differential voltages at common-mode voltages with high accuracy and can operate with a supply voltage ranging from 2.7V to 5.5V. The device offers a fixed gain of 20 V/V, making it suitable for low-side and high-side current sensing applications.
The INA181A1IDBVR features low offset voltage and low offset drift, which enhance its precision, making it ideal for applications such as battery management, motor control, and power management systems. The amplifier is housed in a small SOT-23 package, aiding in space-constrained designs.
Its wide common-mode voltage range, from -0.2V to 26V, ensures compatibility with various systems. Furthermore, the device boasts a fast slew rate and low quiescent current, contributing to efficient power usage. Overall, the INA181A1IDBVR is a robust choice for accurate current measurement in compact electronic applications.

Equivalent

The INA181A1IDBVR is a current-sense amplifier from Texas Instruments. Equivalent products from other manufacturers include the MAX4080F from Maxim Integrated, the MCP6C02 from Microchip Technology, and the ZXCT1107 from Diodes Incorporated. Each of these components offers similar functionality for current sensing applications, but it's important to compare specific parameters like gain, bandwidth, and supply voltage to ensure compatibility with your design requirements.

Features

The INA181A1IDBVR is a current sense amplifier from Texas Instruments. Key features include:
1. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, making it versatile for various applications.
2. Low Offset Voltage: Offers precision with a low offset voltage, aiding in accurate current measurement.
3. Gain Options: Available in multiple fixed-gain options (20, 50, 100, and 200), allowing flexibility for different sensing requirements.
4. Small Footprint: Comes in a small SOT-23 package, ideal for space-constrained designs.
5. Bidirectional Current Sensing: Capable of measuring current in both directions, which is beneficial for applications requiring bidirectional current monitoring.
6. Rail-to-Rail Output: Provides a wide output swing, enhancing the range of the sensed signal.
7. Wide Common-Mode Range: Accommodates a wide common-mode voltage range from -0.2V to +26V, suitable for high-side and low-side current sensing.
8. Low Quiescent Current: Consumes minimal power, making it suitable for battery-powered applications.
These features make the INA181A1IDBVR a suitable choice for precision current sensing in various industrial, consumer, and automotive applications.

Pinout

The INA181A1IDBVR is a current sense amplifier from Texas Instruments. It has an 8-pin configuration in a small SOT-23 package. The primary function of the INA181 series is to amplify the voltage difference developed across a current-sensing resistor, allowing for precise current measurements.
Here is a brief overview of the pin functions for the INA181A1IDBVR:
1. V+: Positive power supply voltage.
2. OUT: Output voltage, proportional to the sensed current.
3. GND: Ground reference for the device.
4. IN+: Non-inverting input connected to the high side of the current-sensing resistor.
5. IN-: Inverting input connected to the low side of the current-sensing resistor.
6. REF: Reference voltage input, used to set the output voltage reference level.
7. NC: No connection, not internally connected.
8. NC: No connection, not internally connected.
The INA181A1IDBVR is typically used in applications requiring current measurement, such as battery management systems, power management, and motor control.

Manufacturer

The INA181A1IDBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company that designs and produces semiconductors and various integrated circuits, which are used in a wide range of electronics applications. The company is headquartered in Dallas, Texas, and is well-known for its extensive portfolio of products, including analog chips, embedded processors, and digital light processing technology. TI's innovations are used in industries such as consumer electronics, automotive, industrial, and communications.

Application

The INA181A1IDBVR is a low-power, high-precision current sense amplifier often used in various applications. Key areas include:
1. Battery Management Systems: For monitoring and managing battery charge and discharge cycles.
2. Power Management: In power supplies and DC-DC converters to enhance efficiency.
3. Motor Control: For precise current sensing in motor drivers.
4. Telecommunications: Used in power monitoring and protection circuits.
5. Industrial Automation: For current measurement in PLCs and industrial sensors.
6. Consumer Electronics: In devices requiring efficient power usage, like laptops and smartphones.
7. Medical Devices: For monitoring current in sensitive medical equipment.
Its versatility and precision make it suitable for a wide range of applications requiring accurate current measurement.

Package

The INA181A1IDBVR is packaged in a SOT-23-5 format. This is a small-outline transistor package with five pins, commonly used for surface-mount technology applications due to its compact size.

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