MAX4378TASD+T

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MAX4378TASD+T

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IC CURR SENSE 4 CIRCUIT 14SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Supplier Analog Devices Inc./Maxim Integrated
Package / Case Tape & Reel (TR)
Part Status Obsolete
Amplifier Type Current Sense
Number of Circuits 4
Slew Rate 10V/µs
-3 dB Bandwidth 2 MHz
Current - Input Bias 120 µA
Supply Current 1mA (x4 Channels)
Voltage - Supply Span(Min) 3 V
Voltage - Supply Span(Max) 28 V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Tổng quan

Description

The MAX4378TASD+T is a precision current sense amplifier designed for high-performance applications such as battery management, motor control, and power monitoring. It features a low input offset voltage, enabling accurate current measurement across a wide range of common-mode voltages. This device operates from a single supply voltage, typically between 2.7V and 5.5V, and boasts a high bandwidth, allowing for fast response times.
Key specifications include a gain of 50 or 100, low input bias current, and high linearity, making it ideal for detecting small voltage drops across shunt resistors. The MAX4378 also integrates an internal reference voltage, simplifying system design. Its small package size further facilitates integration into compact electronic designs.
Overall, the MAX4378TASD+T is suitable for applications where precise current measurement and monitoring are critical, contributing to enhanced performance and efficiency in various electronic systems.

Equivalent

The MAX4378TASD+T is a precision current sense amplifier. Equivalent products include the INA199 (Texas Instruments), INA210 (Texas Instruments), and LTC6101 (Analog Devices). These alternatives offer similar features, such as high common-mode rejection and low offset voltage, making them suitable for current sensing applications. Always verify specific requirements like voltage range and gain settings when selecting an equivalent part.

Features

The MAX4378TASD+T is a high-speed current-sense amplifier designed for applications requiring precise current measurement. Key features include:
1. Wide Supply Voltage Range: Operates from 2.7V to 5.5V, making it suitable for various power supply configurations.
2. High Bandwidth: Offers a gain bandwidth product of 5MHz, enabling accurate measurement of fast-changing currents.
3. Low Offset Voltage: Features a low input offset voltage of 100µV, ensuring high accuracy in current measurements.
4. Gain Options: Available with programmable gain settings (up to 1000V/V), allowing flexibility in different applications.
5. Low Power Consumption: Consumes only 200µA of supply current, enhancing energy efficiency in portable devices.
6. Temperature Range: Rated for operation from -40°C to +125°C, suitable for automotive and industrial applications.
7. Small Package: Offered in a space-saving SOT23-5 package, facilitating compact design.
These features make the MAX4378TASD+T ideal for battery management, motor control, and power monitoring applications.

Pinout

The MAX4378TASD+T is a current-sense amplifier with a total of 8 pins. Its functions are as follows:
1. IN+ (Pin 1): Non-inverting input for current sensing.
2. IN- (Pin 2): Inverting input for current sensing.
3. VOUT (Pin 3): Output voltage that represents the amplified difference between IN+ and IN-.
4. GND (Pin 4): Ground reference.
5. VS (Pin 5): Supply voltage input, typically ranging from 2.7V to 5.5V.
6. RBIAS (Pin 6): Input for biasing resistor to set the common-mode voltage.
7. COMP (Pin 7): Compensation pin for stability in feedback loop.
8. FB (Pin 8): Feedback pin for gain setting.
This device is designed for high accuracy and low offset voltage in current monitoring applications.

Manufacturer

The manufacturer of the MAX4378TASD+T is Maxim Integrated, which is a company that specializes in the design and production of analog and mixed-signal integrated circuits (ICs). Founded in 1983, Maxim Integrated is known for its innovative semiconductor solutions that serve a wide range of applications, including industrial, automotive, communications, and consumer electronics.
In 2021, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), a major player in the semiconductor industry that focuses on high-performance analog, mixed-signal, and digital signal processing (DSP) ICs. The acquisition expanded ADI’s product portfolio and enhanced its capabilities in providing comprehensive solutions in the analog and digital domains.
The MAX4378TASD+T specifically is an integrated circuit that functions as a high-speed, precision, low-power current-sense amplifier, primarily used in applications such as power management, battery monitoring, and various automotive and industrial designs. Maxim Integrated's commitment to technological innovation and quality makes it a significant contributor to advancements in the semiconductor industry.

Application

The MAX4378TASD+T is a precision current-sense amplifier commonly used in various applications, including:
1. Power Management: For monitoring current in power supplies and battery management systems.
2. Motor Control: To sense current in motor drive circuits, ensuring efficient operation and protection.
3. Overcurrent Protection: In circuits to detect and respond to excessive current conditions.
4. Industrial Equipment: For monitoring and controlling current in industrial automation systems.
5. Consumer Electronics: In devices that require battery life optimization through current monitoring.
Its high accuracy and low offset voltage make it suitable for these applications.

Package

The MAX4378TASD+T is packaged in a 5-pin SOT23 package.

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