inventory:7,585
ADI
SOIC-8
MAX9938 (14)
The MAX9938 is available from Analog Devices at Xecor. Designed for high-side current sensing, the MAX9938 offers ultra-low supply current of 1µA (max), low input offset voltage of 500µV (max), and gain error less than 0.5% (max). Available in multiple package options, including 4-Bump UCSP, 5-Pin SOT23, and 6-Pin µDFN, it is ideal for portable and battery-powered systems, such as cell phones, notebook computers, PDAs, and power management systems. Whether used in consumer electronics or industrial applications, this series ensures precision, low power consumption, and compact size for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX9938 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX9938FEUK+T | High Accuracy Amplifiers for Current Measurement | SOT23-5 | 5,576 | |
| MAX9938HEUK+T | Maximum operating voltage of 28V | SOT23-5 | 7,270 | |
| MAX9938TEUK+ | Current Sense Amplifiers 1uA Bump Precision Current Sense Amp | SOT-23-5 | 2,610 | |
| MAX9938FELT+ | Tape and reel packaging option | 6-WDFN | 8,644 | |
| MAX9938FELT+T | Current Sense Amplifier | WDFN-6 | 5,836 | |
| MAX9938FEUK+ | Small footprint sensor IC | SOT-23 | 6,351 | |
| MAX9938WEBS+TG45 | Low-power, high-performance current amp for ICs & mor | UCSP-4 | 2,775 | |
| MAX9938FEBS+TG45 | Precise monitoring and control of currents in high-power electronic systems | WFBGA-4 | 8,562 | |
| MAX9938HEUK+ | SP Amp Current Sense Amp Single 28V 5-Pin SOT-23 T/R | SOT23-5 | 4,330 | |
| MAX9938HEBS+TG45 | Precision Amplifier for Monitoring Current Levels | WFBGA-4 | 4,559 | |
| MAX9938TEBS+TG45 | High-voltage amp for precise current sensin | WFBGA-4 | 9,364 | |
| MAX9938TEUK+T | Current-Sensing Amplifiers in Single SOT-23-5 Package, ROHS Compliant | SOT23-5 | 3,623 | |
| MAX9938TEBS+G45 | Precision monitoring solution: With its high-gain amplifier | UCSP-4 | 5,200 | |
| MAX9938WEUK+T | High precision, low noise current sensing amplifier for demanding system | SOT-23-5 | 4,218 |
Key Featrues
Ultra-Low Supply Current of 1µA (max): The MAX9938's ultra-low quiescent current significantly enhances battery life in portable and battery-powered systems, making it ideal for applications like cell phones, notebooks, and PDAs where power efficiency is critical.
Low 500µV (max) Input Offset Voltage: This feature ensures high precision in current sensing, minimizing measurement errors and improving the accuracy of power management systems, particularly in low-power and high-accuracy applications.
Low < 0.5% (max) Gain Error: The low gain error enhances the reliability of current measurements, ensuring consistent performance in power monitoring and management tasks, which is crucial for maintaining system stability and efficiency.
Wide Input Common Mode Range (+1.6V to +28V): The wide input range allows the MAX9938 to operate in diverse voltage environments, making it versatile for use in various power management systems and portable devices with varying voltage requirements.
Multiple Gain Versions (25V/V, 50V/V, 100V/V, 200V/V): The availability of different gain versions provides flexibility in designing current-sensing circuits tailored to specific application needs, enabling precise scaling of output signals for different measurement ranges.
Low 500µV (max) Input Offset Voltage: This feature ensures high precision in current sensing, minimizing measurement errors and improving the accuracy of power management systems, particularly in low-power and high-accuracy applications.
Low < 0.5% (max) Gain Error: The low gain error enhances the reliability of current measurements, ensuring consistent performance in power monitoring and management tasks, which is crucial for maintaining system stability and efficiency.
Wide Input Common Mode Range (+1.6V to +28V): The wide input range allows the MAX9938 to operate in diverse voltage environments, making it versatile for use in various power management systems and portable devices with varying voltage requirements.
Multiple Gain Versions (25V/V, 50V/V, 100V/V, 200V/V): The availability of different gain versions provides flexibility in designing current-sensing circuits tailored to specific application needs, enabling precise scaling of output signals for different measurement ranges.
Applications
Battery-Powered Portable Devices: The MAX9938 is ideal for monitoring current in battery-powered portable devices such as smartphones, tablets, and wearables. Its ultra-low quiescent current of 1µA ensures minimal power consumption, while its precision accuracy specifications make it suitable for optimizing battery life and performance in compact, energy-efficient designs.
Notebook Power Management: The MAX9938 is well-suited for high-side current sensing in notebook computers, where accurate current measurement is critical for power management and battery charging systems. Its small form factor and low gain error ensure reliable performance in space-constrained designs, enhancing overall system efficiency.
Industrial Power Monitoring: The MAX9938 can be used in industrial applications for precise current monitoring in power management systems. Its wide input common-mode range of +1.6V to +28V and low offset voltage make it ideal for high-accuracy current sensing in motor control, power supplies, and other industrial equipment.
Portable Medical Devices: The MAX9938 is an excellent choice for portable medical devices such as glucose meters and wearable health monitors. Its low power consumption and high accuracy ensure reliable operation in battery-operated medical applications, where precision and energy efficiency are critical for patient safety and device performance.
Notebook Power Management: The MAX9938 is well-suited for high-side current sensing in notebook computers, where accurate current measurement is critical for power management and battery charging systems. Its small form factor and low gain error ensure reliable performance in space-constrained designs, enhancing overall system efficiency.
Industrial Power Monitoring: The MAX9938 can be used in industrial applications for precise current monitoring in power management systems. Its wide input common-mode range of +1.6V to +28V and low offset voltage make it ideal for high-accuracy current sensing in motor control, power supplies, and other industrial equipment.
Portable Medical Devices: The MAX9938 is an excellent choice for portable medical devices such as glucose meters and wearable health monitors. Its low power consumption and high accuracy ensure reliable operation in battery-operated medical applications, where precision and energy efficiency are critical for patient safety and device performance.