INA240A1PWR

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INA240A1PWR

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  • Mfr. Partie #INA240A1PWR
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  • En stock8587

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Spécifications

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)

Vue d'ensemble

Description

The INA240A1PWR is a precision current sense amplifier designed by Texas Instruments. It is part of the INA240 series, which is widely used for high-side and low-side current sensing applications. This specific model features enhanced PWM rejection, making it ideal for environments with pulse-width modulation interference, such as motor drives and solenoid controls.
Key features of the INA240A1PWR include a wide common-mode voltage range from –4 V to +80 V, a high bandwidth of 400 kHz, and an excellent accuracy with a maximum offset voltage of 25 µV. The device offers a fixed gain of 20 V/V, suitable for a variety of current measurement scenarios. It operates over a temperature range of –40°C to +125°C, ensuring reliability in demanding applications.
The amplifier is housed in a compact TSSOP-8 package, facilitating easy integration into circuit designs. Its robust performance and design make it an excellent choice for applications requiring precise current measurements and resilience to electrical noise.

Features

The INA240A1PWR is a high-precision, bi-directional current sense amplifier from Texas Instruments, designed to provide accurate current measurements in a variety of applications. Key features include:
1. High Accuracy: It offers a low offset voltage and a high common-mode rejection ratio (CMRR), ensuring precise current measurements even in noisy environments.
2. Wide Common-Mode Range: The device supports a wide common-mode voltage range from -4V to +80V, making it suitable for high-voltage applications.
3. Enhanced PWM Rejection: The INA240A1PWR is designed to reject high-frequency common-mode noise, including pulse-width modulation (PWM) signals, which are common in motor control and other switching applications.
4. Low Input Bias Current: It features a low input bias current, minimizing measurement errors in high-impedance applications.
5. Gain Options: Available with a fixed gain of 20 V/V, it allows for easy integration into different systems without the need for external gain-setting resistors.
6. Temperature Range: The device operates over an extended temperature range from -40°C to +125°C, ensuring reliability in harsh environments.
These features make the INA240A1PWR ideal for precision current sensing in industrial, automotive, and consumer electronics applications.

Package

The INA240A1PWR is a current sense amplifier from Texas Instruments. It comes in a TSSOP (Thin Shrink Small Outline Package) with 8 pins, denoted as PW in the part number. This package type is compact, making it suitable for space-constrained applications.

Pinout

The INA240A1PWR is a precision bidirectional current sense amplifier manufactured by Texas Instruments. It comes in a TSSOP-8 package, which means it has 8 pins. Here are the functions of the pins:
1. V+: Positive supply voltage input.
2. IN+: Positive input for the current sensing resistor.
3. IN-: Negative input for the current sensing resistor.
4. REF1: Reference input pin 1 for offset adjustment.
5. REF2: Reference input pin 2 for offset adjustment.
6. OUT: Output voltage pin where the amplified current sense voltage is available.
7. GND: Ground connection.
8. NC: No internal connection.
The INA240A1PWR is designed for high-precision current measurements in noisy environments and provides excellent accuracy with low offset voltage, high common-mode rejection ratio (CMRR), and the ability to handle fast common-mode transients.

Manufacturer

The INA240A1PWR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide array of electronic components, including integrated circuits and embedded processors. The company is known for its innovation in analog chips and embedded processing, which are essential for a vast range of electronic devices. Texas Instruments serves various industries, including automotive, industrial, personal electronics, communications, and enterprise systems.

Application

The INA240A1PWR is a high-precision current sense amplifier commonly used in various applications such as motor control systems, battery management systems, power supply monitoring, and industrial automation. Its ability to handle high common-mode voltages makes it suitable for use in systems with varying ground potentials. Additionally, it is often used in automotive applications for monitoring current in electric vehicles and hybrid powertrains due to its robust performance and reliability.

Equivalent

Equivalent products to the INA240A1PWR chip include similar current-sense amplifiers like the Maxim Integrated MAX4080, Analog Devices AD8418, Microchip MCP6C02, and the Allegro ACS712. These products offer comparable functionality, such as high common-mode voltage range and precision current sensing, though specific features and performance characteristics may vary. Always check the datasheets for compatibility with your specific application requirements.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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