MAX9940AXK+T

Product Overview

The MAX9940AXK+T belongs to the category of precision, high-voltage, current-sense amplifiers. It is commonly used for accurate measurement of small differential voltages in the presence of large common-mode voltage. The device is characterized by its high accuracy, low offset voltage, and wide input voltage range. It is available in a compact package and is essential for applications requiring precise current sensing. The MAX9940AXK+T is typically packaged in a small form factor and is available in various quantities to suit different application needs.

Specifications

• Input Voltage Range: ±5.5V to ±36V
• Supply Voltage Range: 2.7V to 36V
• Gain Bandwidth Product: 1.2MHz
• Offset Voltage: ±150µV (max)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SC70

Detailed Pin Configuration

The MAX9940AXK+T features a 6-pin SC70 package with the following pin configuration: 1. V+ 2. IN- 3. IN+ 4. GND 5. OUT 6. REF

Functional Features

• High Accuracy Current Sensing
• Wide Input Voltage Range
• Low Offset Voltage
• Small Form Factor Package
• Wide Supply Voltage Range

Advantages and Disadvantages

Advantages

• High accuracy in current sensing applications
• Wide input voltage range allows for versatile use
• Compact package size for space-constrained designs

Disadvantages

• Limited to single-ended output
• May require additional components for specific applications

Working Principles

The MAX9940AXK+T operates based on the principle of accurately measuring small differential voltages in the presence of large common-mode voltage. It achieves this through precision amplification and filtering of the input signals, allowing for precise current sensing in various applications.

Detailed Application Field Plans

The MAX9940AXK+T finds extensive application in fields such as industrial automation, motor control, power management, and battery monitoring. In industrial automation, it is used for precise current measurements in control systems. In motor control, it enables accurate current sensing for efficient motor operation. In power management and battery monitoring, it facilitates precise current measurements for optimal energy utilization.

Detailed and Complete Alternative Models

• MAX4372TESD+: Precision High-Side Current-Sense Amplifier
• INA199A1QPWRQ1: Automotive, Zero-Drift, High-Side Current-Sense Amplifier
• LTC6102CMS8#PBF: High Voltage, High-Side Current Sense Amplifier

In conclusion, the MAX9940AXK+T is a precision, high-voltage, current-sense amplifier that offers high accuracy, wide input voltage range, and a compact package, making it suitable for various current sensing applications across different industries.

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