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MAXIM INTEGRATED / ANALOG DEVICES MAX4081TASA High-Side Current Sense Amplifier

The MAX4081TASA+ is a high-side current sense amplifier designed for voltages up to 76V, suitable for applications requiring bidirectional current measurement. It features an 8-pin NSOIC package, providing a single voltage output that indicates current flow direction—monitoring charge and discharge without needing a separate polarity output. The device uses an external reference to set the zero-current level (VSENSE = 0V). The output voltage ranges from VREF to VCC during charging and from VREF to GND during discharging. It supports a wide input voltage range for both supply and input common-mode voltages, making it ideal for high-voltage systems where high side measurement is essential. The amplifier offers a gain of 20 V/V with ±0.1% accuracy at 25°C, a bandwidth of 150 kHz, and excellent common-mode rejection (124 dB). It features low input offset voltage (100 µV at 25°C) and low input bias current (5 µA at 76V). Operating over 4.5V to 76V supply voltage and temperatures from -40°C to 125°C, the device provides high accuracy with low quiescent current (103 µA), and its compact design minimizes board space requirements. It is well-suited for sensing and instrumentation, motor control, automotive applications, and power management systems.

Authorized Distributors
Source:Newark
Part No:MAX4081TASA+
Stock:206
Inv Date:06-05-2026
Price: Unit price: $5
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Source:DigiKey
Part No:MAX4081TASA+
Stock:781
Inv Date:06-05-2026
Price: Unit price: $5
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Part No:MAX4081TASA+
Stock:0
Inv Date:06-06-2026
Price: Unit price: $5
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Part No:MAX4081TASA+
Stock:3
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES MAX4081TASA High-Side Current Sense Amplifier Specifications:

  • Input Voltage Range: 4.5V to 76V
  • Supply Voltage: 4.5V to 76V
  • Gain: 20 V/V
  • Input Offset Voltage: 100 µV
  • Bandwidth: 150 kHz
  • Common-Mode Rejection Ratio: 124 dB
  • Temperature Range: -40°C to 125°C
  • Quiescent Current: 103 µA
  • Package: 8-pin NSOIC
  • Output Voltage Range: VREF to VCC during charge, VREF to GND during discharge
  • External Reference: VREF to set zero-current level
  • Low input bias current: 5 µA at 76V
  • Precision, high-voltage instrumentation amplifier

Buy the Buy Maxim High-Side Current Sense Amplifier Part Number MAX4081TASA Online

Experience the reliability and precision of the Maxim MAX4081TASA high-side current sense amplifier. With an input voltage range up to 76V, 20 V/V gain, and excellent accuracy, this device is ideal for monitoring charge and discharge currents in automotive power systems, motor control, and sensing applications. Its low offset voltage, high common-mode rejection, and compact 8-pin package enable simplified integration into your designs. Purchase online today and enhance your system’s performance with this high-voltage, high-accuracy amplifier, ensuring robust and precise current measurement in demanding applications.

Buy Maxim MAX4081TASA high-voltage bidirectional current sense amplifier now and ensure precise current measurement in automotive, motor control, and power applications.

Frequently Asked Questions

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You can download the MAX4081TASA datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

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