INA240A2EDRQ1

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INA240A2EDRQ1

IC CURRENT SENSE 1 CIRCUIT 8SOIC

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規格

Series Zero-Drift
Part Status Active
Amplifier Type Current Sense
Number of Circuits 1
Slew Rate 2V/µs
-3db Bandwidth 400 kHz
Current - Input Bias 90 µA
Voltage - Input Offset 5 µV
Current - Supply 1.8mA
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 5.5 V
Operating Temperature -40°C ~ 150°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number INA240
Grade Automotive
Qualification AEC-Q100

概述

Description

The INA240A2EDRQ1 is a precision, high-side current shunt monitor from Texas Instruments. It is designed for accurate current sensing in applications such as electric vehicle charging, power management, and industrial automation. The device can measure small voltage drops across a shunt resistor and convert them into a proportional voltage output.
Key features include a wide supply voltage range (typically 2.7V to 5.5V), high common-mode voltage capability, and a low offset voltage, resulting in high accuracy across various loads. The INA240A2EDRQ1 supports a variety of gain settings, allowing it to accommodate different shunt resistor values and current levels.
Additionally, it offers features like low power consumption and an integrated fault detection mechanism, making it suitable for battery-operated and energy-efficient designs. The component is available in a small package, facilitating compact PCB designs. Overall, the INA240A2EDRQ1 is an excellent choice for precision current sensing applications requiring robustness and reliability.

Features

The INA240A2EDRQ1 is a precision current shunt monitor from Texas Instruments designed for high-performance current sensing applications. Key features include:
1. High Accuracy: Offers low offset voltage and low drift, ensuring precise current monitoring.
2. Wide Common-Mode Voltage Range: Operates from -0.1V to +80V, making it suitable for various applications.
3. Low Power Consumption: Consumes minimal power, enhancing efficiency in battery-operated devices.
4. High Gain: Features a fixed gain (typically 100) for accurate current amplification.
5. Integrated Protection: Includes features like overvoltage protection to safeguard the device.
6. Differential Input: Designed for differential measurement, enhancing noise immunity.
7. Rail-to-Rail Output: Provides a full-scale output that maximizes the dynamic range.
8. Temperature Range: Suitable for industrial applications with an extended temperature range.
The INA240A2EDRQ1 is ideal for applications like battery management systems, motor control, and power monitoring.

Package

The INA240A2EDRQ1 is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with a 8-lead configuration. This package type is known for its compact size and is suitable for space-constrained applications.

Pinout

The INA240A2EDRQ1 is a current sense amplifier with a pin count of 8. Its primary functions include measuring small voltage drops across a shunt resistor and providing a proportional output voltage that can be read by an ADC or other processing units.
Pin Functions:
1. IN+ (Pin 1): Non-inverting input for the current sensing.
2. IN- (Pin 2): Inverting input for the current sensing.
3. V- (Pin 3): Negative supply voltage pin.
4. OUT (Pin 4): Output voltage pin, which represents the amplified current sense voltage.
5. GND (Pin 5): Ground reference.
6. V+ (Pin 6): Positive supply voltage pin.
7. REF (Pin 7): Reference input for setting the output voltage level.
8. NC (Pin 8): No connect; does not connect to any internal circuit.
This device is designed for high-side current sensing applications, making it suitable for battery management systems, motor control, and power monitoring.

Manufacturer

The INA240A2EDRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global technology company headquartered in Dallas, Texas, specializing in the design and manufacture of semiconductors and various integrated circuits. The company is well-known for its analog and embedded processing products, serving a wide range of markets including automotive, industrial, personal electronics, and communications. TI focuses on innovation and development in the field of electronics, providing solutions that enhance performance and efficiency in various applications.

Application

The INA240A2EDRQ1 is a high-precision, current sense amplifier used in various applications, including automotive systems, battery management, industrial motor control, and power monitoring. It provides accurate current measurement for DC and AC signals, making it suitable for applications like power supply regulation, energy metering, and load detection. Its high common-mode voltage range and low power consumption enhance its versatility in demanding environments.

Equivalent

The INA240A2EDRQ1 is a precision current shunt monitor. Equivalent products include the INA181, INA182, and INA210 series from Texas Instruments, as well as the MAX471 and MAX472 from Maxim Integrated. When selecting an alternative, consider specifications such as voltage range, gain, and package type to ensure compatibility with your application.

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