INA240A4DR

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INA240A4DR

IC CURRENT SENSE 1 CIRCUIT 8SOIC

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規格

Part Status Active
Base Product Number INA240
Amplifier Type Current Sense
Number of Circuits 1
Slew Rate 2V/µs
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 ~ 125°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)
-3db Bandwidth 400 kHz

概述

Description

The INA240A4DR is a high-accuracy, high-speed current sensing amplifier designed for use in various applications, such as power monitoring, motor control, and battery management systems. It features a high common-mode voltage range, allowing it to measure current in high-side configurations, while maintaining linearity and precision.
This device offers a gain of 20 or 50 V/V, making it suitable for amplifying small voltage drops across shunt resistors. It has low offset voltage and drift, ensuring accurate current measurements over temperature variations. The INA240A4DR operates from a supply voltage of 2.7V to 5.5V and provides a bandwidth suitable for fast transients.
The package type is a small, thermally-enhanced TSSOP-8, which aids in minimizing space in compact designs. Overall, the INA240A4DR is ideal for applications requiring precise current measurements and fast response times in energy-efficient systems.

Features

The INA240A4DR is a high-speed, precision current shunt monitor designed for accurate current measurement in various applications. Key features include:
1. High Accuracy: Offers low offset voltage and high common-mode voltage range, ensuring precise measurements.
2. Wide Supply Voltage: Operates with a supply range of 2.7V to 5.5V, suitable for both low and high-voltage systems.
3. Integrated Amplifier: Contains an internal operational amplifier that provides a gain of 100V/V, ideal for amplifying small voltage drops across shunts.
4. Fast Response Time: Supports fast signal processing with bandwidth up to 1MHz.
5. Common-Mode Voltage: Capable of handling common-mode voltages up to 80V, making it suitable for high-side current sensing.
6. Low Power Consumption: Designed for low power operation, making it suitable for battery-operated devices.
7. Small Package Size: Available in a compact surface-mount package, facilitating space-constrained designs.
These features make the INA240A4DR ideal for applications in power monitoring, battery management, and motor control.

Package

The INA240A4DR is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with a 5-pin configuration. This compact package is designed for efficient space utilization in electronic circuits.

Pinout

The INA240A4DR is a current shunt monitor with a pin count of 8 pins. It is designed for high-precision current measurements in various applications. The pin functions are as follows:
1. V+: Positive supply voltage input.
2. GND: Ground reference.
3. SH+: Positive input for the current shunt.
4. SH-: Negative input for the current shunt.
5. OUT: Output voltage corresponding to the differential voltage across the shunt resistor.
6. REF: Reference voltage input for output level shifting.
7. C1: Capacitor connection for stability and noise filtering.
8. C2: Capacitor connection for stability and noise filtering.
The INA240A4DR provides high accuracy and low offset voltage, making it suitable for automotive, industrial, and battery management systems.

Manufacturer

The INA240A4DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas. It specializes in designing and manufacturing a wide range of electronic components, including analog, digital signal processing (DSP), and embedded processing products. TI serves various markets, such as automotive, industrial, consumer electronics, and communications, providing solutions for power management, data conversion, and signal processing applications. The company is well-known for its innovative technologies and extensive product portfolio, making it a key player in the semiconductor industry.

Application

The INA240A4DR is a high-accuracy current shunt monitor used in various applications, including power management systems, electric and hybrid vehicles, battery management systems, industrial automation, and renewable energy systems. It provides precise current sensing for monitoring and control, enabling efficient energy usage and system protection.

Equivalent

Equivalent products to the INA240A4DR, which is a high-precision current sense amplifier, include the INA181, INA188, and INA199 series. Each of these alternatives varies in specifications such as gain, input common-mode range, and precision, so it's important to check the datasheets for specific application requirements.

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