INA240A2PW

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INA240A2PW

+БОМ

  • ПроизводительТехасские инструменты

  • Мфр. Часть #INA240A2PW

  • В наличии7560

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Package Tube
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 INA240A2PW is a precision current sense amplifier from Texas Instruments. It is part of the INA240 series, designed for high-side or low-side current sensing applications. This device is notable for its enhanced PWM rejection, making it highly effective in environments with rapid switching noise, such as motor drives or solenoid controls. The INA240A2PW provides an amplification factor of 20 V/V, ideal for measuring small differential voltages across a shunt resistor.
Key features include a wide common-mode voltage range from -4V to +80V, allowing it to operate effectively in a variety of power systems. It boasts a low offset voltage and drift, ensuring accurate measurements over temperature variations. The device also has a high bandwidth and fast slew rate, which facilitate quick response times in dynamic applications.
Housed in a TSSOP-8 package, the INA240A2PW is suited for compact designs. With its robustness against electromagnetic interference and precision measurement capabilities, it is ideal for use in automotive, industrial, and other high-reliability applications.

Equivalent

The INA240A2PW is a high-precision current sense amplifier from Texas Instruments. Equivalent products include the MAX40056 from Maxim Integrated, the AD8418A from Analog Devices, and the LTC6102 from Analog Devices (previously Linear Technology). Each has similar functions for high-side current sensing with different specifications in terms of bandwidth, gain, and supply voltage. When considering alternatives, ensure that the specifications, pin compatibility, and electrical characteristics meet your application's requirements.

Features

The INA240A2PW is a precision current sense amplifier designed for enhanced performance in applications requiring accurate current sensing. Key features include:
1. Enhanced PWM Rejection: The amplifier offers superior rejection of pulse-width modulation (PWM) signals, making it suitable for motor drive and solenoid control applications.
2. High Accuracy: It provides an accurate current measurement with a maximum offset voltage of 25 µV, ensuring precision across a wide temperature range.
3. Wide Common-Mode Voltage Range: It supports a common-mode voltage range from -4 V to +80 V, accommodating various current sensing applications.
4. High Bandwidth: With a bandwidth of 400 kHz, it can handle fast-changing current signals, making it ideal for dynamic environments.
5. Low Drift: The INA240A2PW features low offset and gain drift, maintaining accuracy over time and temperature variations.
6. Rail-to-Rail Output: It provides a rail-to-rail output, maximizing dynamic range and improving integration with subsequent stages.
7. Multiple Gain Options: Available in different gain configurations, it allows flexibility in system design and scaling.
These features make the INA240A2PW suitable for precision applications such as power management, automotive, and industrial systems.

Pinout

The INA240A2PW is a current sense amplifier from Texas Instruments, designed for high-side and low-side bidirectional current sensing applications. It comes in a TSSOP-8 package, which means it has 8 pins. Here is a brief overview of the pin functions:
1. V+ (Pin 1): Power Supply Voltage (2.7V to 5.5V).
2. IN+ (Pin 2): Non-inverting Input; connects to the positive side of the shunt resistor.
3. IN- (Pin 3): Inverting Input; connects to the negative side of the shunt resistor.
4. REF1 (Pin 4): Reference Voltage Input 1; used to set the output reference voltage.
5. REF2 (Pin 5): Reference Voltage Input 2; used in conjunction with REF1 for output reference voltage configuration.
6. OUT (Pin 6): Output Voltage; provides the amplified current sense output.
7. GND (Pin 7): Ground.
8. NC (Pin 8): No Connect; not internally connected.
The INA240A2PW provides precise current measurement with a gain of 50 V/V, suitable for various applications requiring accurate current monitoring.

Manufacturer

The INA240A2PW is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a variety of electronic components and integrated circuits. TI is known for its innovation in analog and embedded processing technologies and serves industries ranging from consumer electronics to automotive systems. The company is headquartered in Dallas, Texas, and has a strong presence in both the development and commercialization of semiconductor solutions.

Application

The INA240A2PW is a high-precision current sense amplifier commonly used in various applications. Key areas include:
1. Motor Control: Monitoring current in brushless DC motors and servo motors for precise control.
2. Power Management: Overcurrent protection and efficiency optimization in power supply systems.
3. Battery Management: Monitoring charge and discharge currents in battery packs.
4. Renewable Energy: Managing inverters and converters in solar and wind energy systems.
5. Automotive Systems: Current sensing in electric vehicles and other automotive electronics.
6. Industrial Equipment: Ensuring operational safety and efficiency in industrial machinery.
Its high accuracy and wide common-mode voltage range make it suitable for these precision-intensive applications.

Package

The INA240A2PW is a precision current sense amplifier from Texas Instruments. It is packaged in a TSSOP-8 (Thin Shrink Small Outline Package with 8 pins), which is a surface-mount package type.

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