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ANALOG DEVICES AD8411AWBRZ

Current Sense Amplifier, 1 Amplifier, 178 µA, NSOIC, 8 Pins, -40 °C, 125 °C

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ANALOG DEVICES AD8411AWBRZ
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Manufacturer Part No:
AD8411AWBRZ
Order Code:
4253923
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Technical Datasheet:
AD8411AWBRZ   Datasheet
ECAD / MCAD
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Product Overview

AD8411AWBRZ is a high-voltage, high-bandwidth current-sense amplifier with PWM rejection and gain. The device features an initial gain of 50V/V, with a 2.7MHz bandwidth with a maximum ±0.15% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. It has a minimum DC common-mode rejection ratio (CMRR) of 123dB from -2V to +70V. It performs bidirectional current measurements across a shunt resistor in various industrial and automotive applications. This device features an in-package trim core, which leads to a typical offset drift of ±0.26µV/°C throughout the operating temperature range and the common-mode voltage range without the need for chopping and auto-zero clocks. Application includes in-phase or high-side current sensing in, BLDC motors, low-inductance motors, bidirectional 48V to 12V DC-DC converters, solenoid controls, power rail monitoring, and low-side current sensing.
  • In-package trim core (DigiTrim™), precision without chopping and/or auto-zero
  • Offset drift is ±0.21µV/°C typical (box method, TA = -40°C to +125°C)
  • Over temperature is ±200µV max (specified temperature range, TA = -40 to +125°C)
  • Gain vs. temperature is ±6ppm/°C max (TA = −40°C to +125°C)
  • 142dB common-mode rejection ratio typ (DC, VCM = -2V to +70V)
  • 2.7MHz small signal, -3dB bandwidth typ (TA = 25°C)
  • 10V/µs slew rate typical (TA = 25°C)
  • Operating voltage range from 2.9 to 5.5V (TA = −40°C to +125°C)
  • 120dB power supply rejection ratio typical (VS from 3V to 5V, specified temperature range)
  • 8 lead SOIC-N package, temperature range from -40°C to +125°C

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Technical Documents (1)

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