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DS2740 - High-Precision Coulomb Counter

General Description

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Key Features

  • 15-Bit Bidirectional Current Measurement (DS2740U).
  • 1.56μV LSB and ±51.2mV Dynamic Range.
  • 78μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS).
  • 156μA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (RSNS).
  • 13-Bit Bidirectional Current Measurement (DS2740BU).
  • 6.25μV LSB and ±51.2mV Dynamic Range.
  • 312μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS).
  • 625μA LSB and ±5.12A Dynamic Range with External.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.maxim-ic.com FEATURES ƒ 15-Bit Bidirectional Current Measurement (DS2740U) ƒ 1.56μV LSB and ±51.2mV Dynamic Range ƒ 78μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS) ƒ 156μA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (RSNS) ƒ 13-Bit Bidirectional Current Measurement (DS2740BU) ƒ 6.25μV LSB and ±51.2mV Dynamic Range ƒ 312μA LSB and ±2.56A Dynamic Range with External 20mΩ Sense Resistor (RSNS) ƒ 625μA LSB and ±5.12A Dynamic Range with External 10mΩ Sense Resistor (RSNS) ƒ Analog Input Filter (IS1, IS2) Extends Dynamic Range for Pulse-Load Applications ƒ Current Accumulation Register Resolution ƒ 6.25μVhr (Both DS2740U and DS2740BU) ƒ 0.3125mAhr with External 20mΩ RSNS ƒ 0.