MAX9938FEUK+

The MAX9938FEUK+ is a precision, low-power current-sense amplifier from Maxim Integrated (now part of Analog Devices). It features a high common-mode voltage range (±28V) and a fixed gain of 20V/V, making it ideal for bidirectional current sensing in applications like battery management, motor control, and power supplies.
Key features:
- Wide input range: Operates with common-mode voltages from -0.1V to +28V.
- Low offset voltage: ±150µV (max) ensures accurate current measurements.
- Low quiescent current: 60µA (typ), suitable for power-sensitive designs.
- Small package: 5-pin SOT23 for space-constrained PCBs.
The device integrates a precision op-amp with a trimmed gain resistor network, eliminating external components. Its rail-to-rail output simplifies interfacing with ADCs or microcontrollers.
Applications:
- Battery chargers
- Overcurrent protection
- Industrial/automotive systems
The MAX9938FEUK+ combines accuracy, versatility, and compactness, making it a robust choice for current monitoring.

The MAX9938FEUK+ is a low-power, precision current-sense amplifier. Equivalent alternatives include:
- INA210 (Texas Instruments)
- LTC6102 (Analog Devices)
- AD8210 (Analog Devices)
- INA199 (Texas Instruments)
These offer similar functionality with varying specs in gain, bandwidth, and power consumption. Check datasheets for exact compatibility.

The MAX9938FEUK+ is a precision, high-side current-sense amplifier with the following key features:
- Wide Input Range: Supports ±3V to ±76V, suitable for high-voltage applications.
- Low Offset Voltage: ±100µV (max) for accurate current measurement.
- Adjustable Gain: Configurable from 5V/V to 100V/V via external resistors.
- High CMRR: 120dB (min) at DC, reducing common-mode noise.
- Low Quiescent Current: 85µA (typ), ideal for power-sensitive designs.
- Small Package: 5-pin SOT23 for space-constrained applications.
- Wide Supply Range: Operates from 2.7V to 76V.
- Bidirectional Operation: Measures current flow in both directions.
Ideal for battery monitoring, power management, and industrial systems.

The MAX9938FEUK+ is manufactured by Maxim Integrated, a company now part of Analog Devices, Inc. (ADI) after its acquisition in 2021.
Maxim Integrated was a leading semiconductor company specializing in analog and mixed-signal ICs for applications like power management, sensors, and signal processing. Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies.
The MAX9938FEUK+ is a current-sense amplifier designed for precision measurement in industrial, automotive, and consumer electronics.

The MAX9938FEUK+ comes in a SOT23-5 package. This is a small, surface-mount package with 5 pins, commonly used for compact and low-power applications. The SOT23-5 is known for its small footprint and ease of assembly in PCB designs.