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MAXIM INTEGRATED / ANALOG DEVICES MAX4073FAUTT High-Side Current Sense Amplifier

The MAX4073FAUT+T is a cost-effective, high-side current sense amplifier with a voltage output and a gain of +50V/V, housed in a 6-pin SOT-23 package. Its voltage output eliminates the need for gain-setting resistors, making it ideal for current monitoring applications. The device allows high-side current sensing without affecting the ground path of battery chargers, making it suitable for battery-powered systems. It features an input common-mode voltage range of +2V to +28V, independent of supply voltage, and a bandwidth of 1.7MHz, ideal for battery charger control loops. The amplifier combines a fixed gain with an external sense resistor for full-scale current measurement, providing a compact and integrated solution for system and board-level current monitoring, PA bias control, and precision current sourcing. It supports supply voltages from 3V to 28V, operates reliably in automotive temperature ranges from -40°C to 125°C, and offers high accuracy with ±1% gain at 25°C (VCC=12V). Its key features include a supply current of 500µA at 28V, a common-mode rejection ratio of 90dB at 100mV, input bias current of 40µA, and a power supply rejection ratio of 85dB. The input offset voltage is approximately 1mV at 12V supply. Due to high market demand, lead times may be extended, and delivery dates are subject to change. This product is not eligible for discounts.

Authorized Distributors
Source:Newark
Part No:MAX4073FAUT+T
Stock:2356
Inv Date:06-05-2026
Price: Unit price: $3.31
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Source:DigiKey
Part No:MAX4073FAUT+T
Stock:4371
Inv Date:06-05-2026
Price: Unit price: $1.70864
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Part No:MAX4073FAUT+T
Stock:2956
Inv Date:06-06-2026
Price: Unit price: $3.21
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Part No:MAX4073FAUT-T
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES MAX4073FAUTT High-Side Current Sense Amplifier Specifications:

  • Input Voltage Range: +2V to +28V
  • Supply Voltage: 3V to 28V
  • Gain: +50V/V
  • Bandwidth: 1.7MHz
  • Input Bias Current: 40µA
  • Common-Mode Rejection Ratio: 90dB at 100mV
  • Output Voltage Range: Proportional to sense voltage
  • Power Consumption: 500µA at 28V
  • Operating Temperature Range: -40°C to +125°C
  • Package: 6-pin SOT-23
  • Offset Voltage: Approx. 1mV at 12V supply
  • Maximum Voltage across pins: -0.3V to +30V

Buy the Maxim MAX4073FAUT+T – Reliable High-Side Current-Sense Amplifier for Industrial Applications

Purchase the Maxim MAX4073FAUT+T today for your high-side current sensing needs. With a 50V/V gain, wide input voltage range, and a compact 6-pin SOT-23 package, this amplifier is ideal for battery-powered systems, power management, and precision current monitoring. Its low supply current of 500µA and high accuracy ensure reliable performance in automotive and industrial environments. Designed for system engineers seeking a robust, space-saving solution, it offers excellent common-mode rejection and offset voltage performance. Buy online now for fast delivery and a high-quality, durable component.

Get Maxim MAX4073FAUT+T today—built for precision, high-side current sensing, and long-lasting durability in demanding environments.

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