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MAX9938TEUK+T
+BOM-
メーカーアナログ・デバイセズ社/マキシム・インテグレーテッド
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メーカー品番 #MAX9938TEUK+T
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在庫状況1264
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| -3dbBandwidth | 125 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 |
概要
Description
The MAX9938TEUK+T is a high-precision current-sense amplifier from Maxim Integrated, designed to measure small differential voltages across a sense resistor in the presence of high common-mode voltages. It is particularly suitable for applications requiring accurate current measurement, such as battery management systems, power supplies, and motor control.
Key features include:
- Wide common-mode voltage range, typically from -0.1V to +28V, making it versatile for various applications.
- Low offset voltage and low offset drift ensure high precision and stability.
- Gain options, typically fixed at 50V/V, 100V/V, or 200V/V, to suit different measurement needs.
- Low quiescent current, making it energy-efficient for battery-powered devices.
- Small SOT23 package, aiding in compact circuit designs.
The MAX9938TEUK+T offers robust performance with high accuracy over temperature variations, making it a reliable choice for engineers seeking efficient and precise current-sensing solutions.
Key features include:
- Wide common-mode voltage range, typically from -0.1V to +28V, making it versatile for various applications.
- Low offset voltage and low offset drift ensure high precision and stability.
- Gain options, typically fixed at 50V/V, 100V/V, or 200V/V, to suit different measurement needs.
- Low quiescent current, making it energy-efficient for battery-powered devices.
- Small SOT23 package, aiding in compact circuit designs.
The MAX9938TEUK+T offers robust performance with high accuracy over temperature variations, making it a reliable choice for engineers seeking efficient and precise current-sensing solutions.
Equivalent
The MAX9938TEUK+T is a precision current-sense amplifier from Maxim Integrated. Equivalent products include:
1. INA199 series from Texas Instruments
2. MCP6H01/2 from Microchip Technology
3. LT6106 from Analog Devices
4. ZXCT series from Diodes Incorporated
These components provide similar functionality for current sensing applications, with varying specifications that should be checked to ensure compatibility with the intended application.
1. INA199 series from Texas Instruments
2. MCP6H01/2 from Microchip Technology
3. LT6106 from Analog Devices
4. ZXCT series from Diodes Incorporated
These components provide similar functionality for current sensing applications, with varying specifications that should be checked to ensure compatibility with the intended application.
Features
The MAX9938TEUK+T is a high-precision, unidirectional current-sense amplifier designed for use in a wide range of applications. Key features include:
1. High Precision: It offers a low offset voltage, which enhances accuracy in current measurement, making it suitable for precision applications.
2. Wide Supply Voltage Range: The device operates over a broad supply voltage range, typically from 1.6V to 28V.
3. Wide Input Common-Mode Voltage Range: It can handle input voltages ranging from 0V to 28V, allowing flexibility in monitoring different parts of a circuit.
4. Low Quiescent Current: The amplifier boasts a low quiescent current, optimizing it for battery-powered applications where power efficiency is critical.
5. Available in Multiple Gain Versions: The MAX9938 comes in various fixed gain versions, such as 20V/V, 50V/V, and 100V/V, to suit different application requirements.
6. Compact Package: It is available in a small, SOT23-5 package, which is ideal for space-constrained designs.
7. Temperature Range: The device operates over a wide temperature range, ensuring reliability in harsh environments.
These features make the MAX9938TEUK+T suitable for use in battery-operated devices, power management systems, and other precision current-sensing applications.
1. High Precision: It offers a low offset voltage, which enhances accuracy in current measurement, making it suitable for precision applications.
2. Wide Supply Voltage Range: The device operates over a broad supply voltage range, typically from 1.6V to 28V.
3. Wide Input Common-Mode Voltage Range: It can handle input voltages ranging from 0V to 28V, allowing flexibility in monitoring different parts of a circuit.
4. Low Quiescent Current: The amplifier boasts a low quiescent current, optimizing it for battery-powered applications where power efficiency is critical.
5. Available in Multiple Gain Versions: The MAX9938 comes in various fixed gain versions, such as 20V/V, 50V/V, and 100V/V, to suit different application requirements.
6. Compact Package: It is available in a small, SOT23-5 package, which is ideal for space-constrained designs.
7. Temperature Range: The device operates over a wide temperature range, ensuring reliability in harsh environments.
These features make the MAX9938TEUK+T suitable for use in battery-operated devices, power management systems, and other precision current-sensing applications.
Pinout
The MAX9938TEUK+T is a high-side current-sense amplifier from Maxim Integrated. It typically comes in a small SOT-23-5 package, which means it has 5 pins. Here are the functions of each pin:
1. OUT (Pin 1): This is the output pin of the amplifier where the sensed current's proportional voltage is available.
2. VSS (Pin 2): Ground pin for the device, providing a return path for power supply and output signals.
3. IN+ (Pin 3): The non-inverting input pin, connected to the high-side of the load.
4. IN- (Pin 4): The inverting input pin, connected to the lower side of the shunt resistor.
5. VDD (Pin 5): The power supply pin for the device.
The MAX9938 is designed for precision current-sensing applications and typically operates with a supply voltage of 2.7V to 28V. It provides a high level of accuracy and can be used in a variety of applications, including power management, battery monitoring, and protection circuits.
1. OUT (Pin 1): This is the output pin of the amplifier where the sensed current's proportional voltage is available.
2. VSS (Pin 2): Ground pin for the device, providing a return path for power supply and output signals.
3. IN+ (Pin 3): The non-inverting input pin, connected to the high-side of the load.
4. IN- (Pin 4): The inverting input pin, connected to the lower side of the shunt resistor.
5. VDD (Pin 5): The power supply pin for the device.
The MAX9938 is designed for precision current-sensing applications and typically operates with a supply voltage of 2.7V to 28V. It provides a high level of accuracy and can be used in a variety of applications, including power management, battery monitoring, and protection circuits.
Manufacturer
The MAX9938TEUK+T is manufactured by Maxim Integrated. Maxim Integrated is a company that specializes in designing, manufacturing, and selling analog and mixed-signal integrated circuits. These products are used in a variety of applications, including industrial, consumer, automotive, and communications markets. Maxim Integrated is known for its high-performance analog products, power management solutions, and industry-specific integrated circuits. It was acquired by Analog Devices, Inc. in 2021, further expanding its reach and capabilities in the semiconductor industry.
Application
The MAX9938TEUK+T is a current-sense amplifier used in a variety of applications. Its primary application areas include battery management systems, where it helps monitor charge and discharge currents; power management for portable electronics, to optimize power usage and enhance battery life; overcurrent protection circuits, providing accurate current measurement to prevent damage; and in industrial systems for precise current monitoring in motor controls and automation equipment. Its high-precision current-sensing capability makes it suitable for improving efficiency and safety in these areas.
Package
The MAX9938TEUK+T is a current-sense amplifier offered in a small, 5-pin SOT-23 package. This package type is compact and suitable for surface-mount technology, making it ideal for high-density circuit board designs.
