INA240A3PWR

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INA240A3PWR

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  • FabricanteTexas Instruments

  • Peça do Fabricante #INA240A3PWR

  • Em Estoque5678

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Especificações

Atributo Valor
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)

Visão Geral

Description

The INA240A3PWR is a high-precision current sense amplifier from Texas Instruments, designed for applications requiring accurate current measurements. It features a zero-drift architecture to maintain excellent accuracy and stability over temperature and time. The device is ideal for bidirectional current sensing and operates over a wide common-mode voltage range, making it suitable for a variety of high-side and low-side current sensing applications.
The INA240A3PWR offers an impressive gain of 20 V/V, ensuring precise amplification of small differential signals. It supports a wide supply voltage range and provides low offset voltage, low offset drift, and high common-mode rejection ratio (CMRR), which are crucial for precise current measurement. The amplifier also includes integrated electromagnetic interference (EMI) filtering to enhance noise performance.
With a robust design, the INA240A3PWR is well-suited for motor control, power management, and battery monitoring systems. Its small footprint and high performance make it a popular choice in industrial, automotive, and consumer electronics applications, where accurate and reliable current sensing is essential.

Equivalent

The INA240A3PWR is a high-precision current sense amplifier. Equivalent products include:
1. MAX40080 by Maxim Integrated: Offers similar high-precision current sensing with a digital output.
2. LTC6102 by Analog Devices: Provides wide input voltage range and high accuracy.
3. INA190 series by Texas Instruments: Offers similar functionality with a smaller footprint.
4. AD8418A by Analog Devices: High accuracy current sense amplifier suitable for automotive and industrial applications.
Always confirm specifications to ensure compatibility with your design requirements.

Features

The INA240A3PWR is a precision current sense amplifier from Texas Instruments, designed for high-side and low-side bidirectional current-sensing applications. Key features include:
1. High Accuracy: Offers a gain of 100 V/V with low offset voltage and drift, ensuring precise current measurements.
2. Wide Input Range: Operates with a common-mode voltage range from -4 V to +80 V, suitable for various applications including industrial, automotive, and power management.
3. Enhanced PWM Rejection: Provides excellent performance in systems with pulse-width modulation, reducing errors due to switching noise.
4. Bidirectional Operation: Capable of measuring current flow in both directions, enhancing flexibility in usage.
5. Low Input Bias Current: Minimizes loading effects on the measured circuit.
6. Temperature Range: Functions reliably over a wide temperature range from -40°C to +125°C, suitable for harsh environments.
7. Package: Available in a small, 8-pin TSSOP package, optimizing space on PCBs.
This device is ideal for precision current-sensing tasks in high-voltage and dynamic environments.

Pinout

The INA240A3PWR is a precision current sense amplifier from Texas Instruments, designed for measuring bidirectional currents in various applications. It comes in a 14-pin TSSOP package. Here is a brief overview of its pin functions:
1. VIN+ (Pins 1 & 2): Positive differential input for current sensing.
2. VIN- (Pins 3 & 4): Negative differential input for current sensing.
3. REF1: Reference input pin 1 for setting the output reference voltage.
4. REF2: Reference input pin 2 for setting the output reference voltage.
5. GND: Ground connection.
6. OUT: Output voltage, proportional to the sensed current.
7. VS: Supply voltage pin, typically 2.7V to 5.5V.
8. NC: No internal connection, used for mechanical stability (typically pins 5, 6, 8, 9, 12, and 13).
The INA240A3PWR is ideal for systems requiring high precision and performance, offering features like low offset voltage and low drift across temperature, with a gain of 200 V/V.

Manufacturer

The INA240A3PWR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is one of the largest semiconductor manufacturers in the world and serves a wide array of industries, including automotive, industrial, consumer electronics, and communications. Texas Instruments is known for its innovation in analog and embedded processing products, offering solutions for efficient power management, signal processing, and connectivity.

Application

The INA240A3PWR is a high-precision current sense amplifier commonly used in various applications. Its primary use is in motor control systems, where it helps monitor current to ensure efficient and safe operation. It's also used in battery management systems to protect and optimize battery performance. Additionally, the INA240A3PWR is utilized in power inverters and converters, as it enables precise current measurement, crucial for system stability and efficiency. Its capabilities make it suitable for automotive applications, industrial automation, and any system requiring accurate current sensing across a wide range of voltages and temperatures.

Package

The INA240A3PWR is packaged in a TSSOP (Thin Shrink Small Outline Package) format, specifically a 14-pin TSSOP. This type of package is designed for surface-mounted applications and offers a compact footprint suitable for various electronic circuits.

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