MAX9938HEUK+T

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MAX9938HEUK+T

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  • 제조업체아날로그 장비 주식회사/Maxim 통합

  • 제조업체 부품 #MAX9938HEUK+T

  • 재고7079

365 1일 품질 보증

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90-판매 후 1일 보증

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사양

속성 가치
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
-3dbBandwidth 30 kHz
Voltage-InputOffset 100 µV
Current-Supply 1.1µA
Voltage-SupplySpan(Min) 1.6 V
Voltage-SupplySpan(Max) 28 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753

개요

Description

The MAX9938HEUK+T is a precision, high-side current-sense amplifier designed to monitor current through a shunt resistor and convert it to a proportional output voltage. It operates over a wide supply voltage range from 1.6V to 28V, making it suitable for various applications, including portable devices, power management, and battery-operated equipment. The device offers excellent accuracy due to its low offset voltage and high common-mode rejection ratio (CMRR), providing precise current measurements.
Key features include a fixed gain of 50V/V, a low quiescent current, and a wide operating temperature range from -40°C to +125°C, ensuring reliability in diverse environments. The MAX9938HEUK+T is housed in a compact SOT-23-5 package, which is ideal for space-constrained applications. Its design allows for easy integration into systems requiring efficient power monitoring and management. The device is part of the MAX9938 series, which offers various gain options to suit different application needs.

Equivalent

The MAX9938HEUK+T is a high-precision, low-power current-sense amplifier. Equivalent products include:
1. INA199 by Texas Instruments - A low-power, zero-drift, current-sense amplifier.
2. LTC6101 by Analog Devices (formerly Linear Technology) - A precision current sense amplifier.
3. AD8210 by Analog Devices - A high-voltage, high-side current shunt monitor.
4. TS1100 by Silicon Labs - A zero-drift, low-power current sense amplifier.
These alternatives offer similar functionalities for current sensing applications.

Features

The MAX9938HEUK+T is a high-precision current-sense amplifier from Maxim Integrated. Key features include:
1. Wide Input Common-Mode Voltage Range: It can operate with a voltage range from -0.1V to +28V, making it versatile for various applications.
2. High Accuracy: The device offers low offset voltage and a gain error, providing high measurement accuracy.
3. Fixed Gain Option: It comes with a fixed gain of 50V/V, simplifying design and reducing external component count.
4. Low Quiescent Current: The amplifier consumes minimal power, approximately 10µA, enhancing efficiency in battery-powered applications.
5. Small Footprint: Housed in a tiny 5-pin SOT23 package, it suits space-constrained designs.
6. Bidirectional Current Sensing: It can measure both directions of current flow, offering flexibility in monitoring applications.
7. Temperature Range: The device is designed to operate across a wide temperature range, from -40°C to +125°C.
These features make the MAX9938HEUK+T ideal for high-side current sensing in automotive, industrial, and consumer applications.

Pinout

The MAX9938HEUK+T is a high-precision, high-side current-sense amplifier produced by Maxim Integrated. It is designed to amplify small differential voltages in the presence of large common-mode voltages. This component is housed in a tiny 5-pin SOT23 package.
The pin configuration and functions are as follows:
1. IN+: Positive input for the current sense. Connect this pin to the high-side of the shunt resistor.
2. IN-: Negative input for the current sense. Connect this pin to the low-side of the shunt resistor.
3. OUT: Output pin for the amplified voltage, which is proportional to the sensed current.
4. VCC: Power supply pin. Connect this to the supply voltage, typically between 2.7V and 28V.
5. GND: Ground pin. Connect this to the system ground.
This device is used for precise current measurements in systems where the current flows through a shunt resistor, and it can operate with common-mode voltages up to 28V.

Manufacturer

The MAX9938HEUK+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was a company known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. As of the acquisition by Analog Devices, the combined entity continues to focus on providing high-performance semiconductor solutions for a wide range of industries, including consumer electronics, automotive, communications, and industrial applications.

Application

The MAX9938HEUK+T is a precision, high-side current-sense amplifier commonly used in various applications. Key areas include battery-powered devices for power management, overcurrent protection, and load monitoring. It's also utilized in telecommunications equipment, automotive systems for battery monitoring, and industrial applications for current sensing in motors and power supplies. Its ability to measure small differential voltages over a wide common-mode voltage range makes it ideal for use in systems requiring precision current measurements. Additionally, its compact size and high accuracy make it suitable for portable and space-constrained applications.

Package

The MAX9938HEUK+T is packaged in a SOT-23-5 configuration, which is a small outline transistor package with five leads. This package type is compact and suitable for space-constrained applications, providing ease of mounting on printed circuit boards.

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