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MAXIM INTEGRATED / ANALOG DEVICES MAX4377HAUA High-Side Current Sense Amplifier

The MAX4377HAUA+ is a dual high-side current sense amplifier from Maxim Integrated, offering an internal gain of 100 V/V and buffered outputs that eliminate the need for gain resistors. It features an input common-mode voltage range of 0 to 28 V, independent of supply voltage, enabling accurate current sensing in deep discharge battery packs. Operating from 3 V to 28 V, it has a low supply current of 1 mA per amplifier, a bandwidth of 1.2 MHz, and a slew rate of 10 V/μs. It is ideal for automotive current detection, battery chargers, fuel gauges, power management systems, and portable devices.

Authorized Distributors
Source:Newark
Part No:MAX4377HAUA+
Stock:50
Inv Date:06-05-2026
Price: Unit price: $0.753
Buy/RFQ:
Source:DigiKey
Part No:MAX4377HAUA+
Stock:151
Inv Date:06-05-2026
Price: Unit price: $4.7
Buy/RFQ:
Part No:MAX4377HAUA+
Stock:192
Inv Date:06-06-2026
Price: Unit price: $4.7
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX4377HAUA High-Side Current Sense Amplifier Specifications:

  • Gain: 100 V/V
  • Input Common-Mode Voltage Range: 0 to 28 V
  • Supply Voltage Range: 3 V to 28 V
  • Output Type: Buffered voltage output
  • Bandwidth: 1.2 MHz
  • Slew Rate: 10 V/μs
  • Supply Current: 1 mA per amplifier
  • Operating Temperature Range: -40°C to 125°C
  • Input Bias Current: 120 μA at VRS+ ≤ 2 V
  • Power Supply Rejection Ratio: 90 dB
  • Common-Mode Rejection Ratio: 90 dB

Buy the Maxim MAX4377HAUA+ – Reliable High-Side Current Sense Amplifier for Industrial Applications

Enhance your circuitry with the Maxim MAX4377HAUA+ dual high-side current sense amplifier. Featuring an internal gain of 100 V/V, an input range of 0 to 28 V, and operating from 3 to 28 V, this device provides accurate current measurement with low power consumption. Its wide bandwidth of 1.2 MHz and low slew rate ensure fast response in automotive, battery, and power management applications. Compact in an 8-pin μMAX package, it’s ideal for portable, battery-powered, and system monitoring schemes, offering robust performance across -40°C to 125°C.

Get Maxim MAX4377HAUA+ today—built for precision and long-lasting durability in high-current sensing systems.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX4377HAUA?

You can click on the BUY or RFQ button to purchase MAX4377HAUA from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX4377HAUA?

You can download the MAX4377HAUA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX4377HAUA?

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