AD8410

Obsolete

High Voltage, High Bandwidth, Current Sense Amplifier

Data Sheet (Rev. PrE) Product Selection Table
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Overview

  • High common-mode input voltage range
    • −2V to +70 V continuous
    • −20V to +75 V survival 
  • Typical 1.0 µV/°C offset drift 
  • 2.0 MHz Bandwidth
  • Maximum ±400 µV voltage offset over full temperature range
  • Initial gain = 20 V/V
  • Wide operating temperature range
    • AD8410WB: −40°C to +125°C
    • AD8410WH: −40°C to +150°C
  • Bidirectional operation
  • 3.0 V to 5.5 V power supply operating range
  • Available in 8-lead MSOP and 8-lead SOIC
  • Common-mode rejection ratio (CMRR): 86 dB, dc to 10 kHz 
  • Qualified for automotive applications

The AD8410 is a high voltage, high resolution, and high bandwidth current shunt amplifier. It features an initial gain of 20 V/V, with a 2.0 MHz bandwidth with a maximum ±0.3% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8410 offers excellent input common-mode rejection from −2 V to +70 V. The AD8410 performs bidirectional current measurements across a shunt resistor in a variety of automotive and industrial applications, including motor control, power management, and solenoid control.

The AD8410 offers breakthrough performance throughout the −40°C to +150°C temperature range. It features a in package trim core, which leads to a typical offset drift of 1.0 µV/°C throughout the operating temperature range and the common-mode voltage range. The AD8410 is qualified for automotive applications. The device includes patented circuitry to enable output accuracy with pulse-width modulation (PWM) type input common-mode voltages. The typical input offset voltage is ±200 µV. The AD8410 is offered in 8-lead MSOP or SOIC packages.

Applications

  • High-side current sensing in
    • 48V/ 12V DC to DC Converters
    • Motor controls
    • Solenoid controls
    • Power management 
  • Low-side current sensing
  • Diagnostic protection

Suggested Replacement Parts

AD8410A RECOMMENDED FOR NEW DESIGNS

−2 V to 70 V Wide Input Voltage Range, 2.2 MHz High Bandwidth, Current-Sense Amplifier with PWM Rejection and Gain 20 V/V

AD8410

High Voltage, High Bandwidth, Current Sense Amplifier

AD8410 Functional Block Diagram
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Documentation

Data Sheet 1

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • AD8410A

SPICE Model 1

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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