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MAX4071AUA+

Current Sense Amplifier, 1 Amplifier, 2.4 µA, µMAX, 8 Pins, -40 °C, 125 °C

MAX4071AUA+ - Current Sense Amplifier, 1 Amplifier, 2.4 µA, µMAX, 8 Pins, -40 °C, 125 °C

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Manufacturer Part No:
MAX4071AUA+
Order Code:
2515247
Technical Datasheet:
MAX4071AUA+   Datasheet
See all Technical Docs

Product Overview

The MAX4071AUA+ is a bidirectional, current sense amplifier with reference in 8 pin µMAX package. The wide 1.35V to 24V input common-mode voltage range is independent of the supply voltage ensuring that the current-sense feedback remains accurate even when connected to a battery pack in deep discharge. It has a low 100µA supply current that reduces to only 10µA (typ) in shutdown mode. To achieve maximum flexibility, an external current-sense resistor is used along with a gain select pin (GSEL) to choose either 50V/V or 100V/V. Drive GSEL low to select gain of 50V/V or drive GSEL high to choose gain of 100V/V. A single output pin continuously monitors the transition from charge to discharge and avoids the need for a separate polarity output. Thus it is ideal for monitoring battery charge and discharge currents.
  • Supply voltage range is 2.7V to 24V
  • Operating temperature range from -40°C to 125°C
  • Total output error less than 1.5%
  • Internal precision reference is 1.5V
  • CMRR of 120dB, input bias current is 2.4µA and PSRR of 120dB
  • Load regulation of 2mV/mA at IREFOUT = 0 to 500µA & 4mV/mA at IREFOUT = 0 to -100µA
  • 100KHz -3dB bandwidth at gain = 50V/V

Applications

Sensing & Instrumentation, Motor Drive & Control, Consumer Electronics, Power Management

Product Information

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:
1 Amplifier

:
2.4µA

:
µMAX

:
8Pins

:
-40°C

:
125°C

:
100kHz

:
2.7V

:
24V

:
80µV

:
120dB

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

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