INA240A2PWR

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INA240A2PWR

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  • ПроизводительТехасские инструменты

  • Мфр. Часть #INA240A2PWR

  • В наличии1335

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
SlewRate 2V/µs
-3dbBandwidth 400 kHz
Current-InputBias 90 µA
Voltage-InputOffset 5 µV
Current-Supply 1.8mA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 5.5 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

Обзор

Description

The INA240A2PWR is a high-precision, bidirectional current sense amplifier from Texas Instruments, designed to measure current across a shunt resistor. It excels in applications requiring accurate current monitoring, such as motor control, solenoid control, and power management systems. The device offers a wide common-mode voltage range from -4V to +80V, making it versatile for various high-side and low-side current sensing applications.
Key features include a gain of 20 V/V, low offset voltage, and low drift, ensuring precise measurements over a wide temperature range. The INA240A2PWR is optimized to reject common-mode voltage transients, a result of its enhanced PWM rejection capability, which is vital in environments with noisy signals, like those encountered in switching power supplies.
Additionally, the device is available in a TSSOP-8 package, offering a compact solution for space-constrained designs. With its robust performance and reliability, the INA240A2PWR is ideal for engineers seeking accurate monitoring and control in advanced electronic systems.

Equivalent

The INA240A2PWR is a precision current sense amplifier from Texas Instruments. Equivalent products include:
1. MAX44284 from Maxim Integrated.
2. ACS712 from Allegro MicroSystems (for certain applications).
3. LT1999 from Analog Devices.
4. INA282 from Texas Instruments (another variant for alternate specifications).
5. TSC2010 from STMicroelectronics.
These equivalents should be considered based on specific application requirements like bandwidth, voltage range, and package type.

Features

The INA240A2PWR is a high-precision current sense amplifier from Texas Instruments. It features enhanced PWM rejection, which makes it suitable for motor control applications where pulse-width modulation signals are present. The device offers a wide common-mode voltage range from -4V to 80V, enabling it to handle a variety of applications. It boasts a fixed gain of 20 V/V, providing precise current measurements.
The amplifier operates with a supply voltage ranging from 2.7V to 5.5V and has a low offset voltage, ensuring high measurement accuracy. It has a high bandwidth of 400 kHz, allowing it to accurately track rapid changes in current. The INA240A2PWR is available in a compact TSSOP-8 package, which is ideal for space-constrained applications.
Additional features include low input bias current, excellent temperature stability, and robust protection against common-mode voltage transients. These characteristics make the INA240A2PWR well-suited for use in automotive, industrial, and consumer electronics applications, among others.

Pinout

The INA240A2PWR is a current-sense amplifier commonly used in applications that require precise measurement of bidirectional currents. It is a part of the INA240 series manufactured by Texas Instruments.
The INA240A2PWR comes in a 8-pin TSSOP (Thin Shrink Small Outline Package) package. Here are the pin functions:
1. V+: Power supply pin. Typically connected to a voltage between 2.7V and 5.5V.
2. IN+: Non-inverting input pin used for connecting to the high side of the shunt resistor.
3. IN-: Inverting input pin used for connecting to the low side of the shunt resistor.
4. REF1: Reference voltage pin 1 for setting the output reference voltage.
5. REF2: Reference voltage pin 2 for setting the output reference voltage.
6. OUT: Output pin. The amplifier's differential output voltage is available here.
7. GND: Ground pin for the device.
8. NC: No connection; it may be left unconnected or used for mechanical stability.
These pins collectively support the device's ability to provide accurate and amplified measurement of current across a shunt resistor, with enhanced PWM rejection for better performance in motor control and similar applications.

Manufacturer

The INA240A2PWR is manufactured by Texas Instruments, an American technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which they sell to electronics designers and manufacturers globally. The company is one of the largest semiconductor companies in the world and has a significant presence in producing analog chips and embedded processors, which are critical components in various electronic devices.

Application

The INA240A2PWR is a high-precision current sense amplifier commonly used in a variety of applications due to its enhanced PWM rejection capabilities. Key application areas include motor control systems, where it monitors current flow to enhance performance and safety; battery management systems, to improve charging efficiency and protect against overcurrent conditions; and power supply units, for accurate current measurement and protection. It's also used in solar inverters and energy monitoring systems for precise current sensing. Additionally, the INA240A2PWR is suitable for industrial automation and robotics, where precise current measurement is crucial for operational efficiency and safety.

Package

The INA240A2PWR is a current sense amplifier with a package type of TSSOP (Thin Shrink Small Outline Package) featuring 8 pins. It is designed for precise current measurement applications, offering enhanced PWM rejection and high accuracy in current sensing.

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