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ADBMS6822 - Single/Dual isoSPI Transceiver

Download the ADBMS6822 datasheet PDF. This datasheet also covers the ADBMS6821 variant, as both devices belong to the same single/dual isospi transceiver family and are provided as variant models within a single manufacturer datasheet.

General Description

The ADBMS68211 (single) and ADBMS68221 (dual) provide bidirectional isolated serial-port interface (isoSPI™) communications between two isolated devices through a single twisted pair connection for each data link.

Key Features

  • Up to 2 Mbps isolated bidirectional serial data communications.
  • Drop in compatible: single (ADBMS6821) and dual (ADBMS6822).
  • Fully independent dual transceivers (ADBMS6822).
  • Simple galvanic isolation using capacitors or transformers.
  • Bidirectional interface over a single twisted pair.
  • Supports cable lengths up to 100 meters.
  • Very low EMI susceptibility and emissions.
  • LPCM support for ADBMS battery monitors.
  • Interrupt output for LPCM system wake-up.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ADBMS6821-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Analog Devices

Part Number Description
ADBMS6821 Single/Dual isoSPI Transceiver
ADBMS6830 16-Channel Multicell Battery Monitor
ADBMS6830B 16-Channel Multicell Battery Monitor
ADBMS1818 18-Cell Battery Monitor

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.

View original datasheet text
FEATURES ► Up to 2 Mbps isolated bidirectional serial data communications ► Drop in compatible: single (ADBMS6821) and dual (ADBMS6822) ► Fully independent dual transceivers (ADBMS6822) ► Simple galvanic isolation using capacitors or transformers ► Bidirectional interface over a single twisted pair ► Supports cable lengths up to 100 meters ► Very low EMI susceptibility and emissions ► LPCM support for ADBMS battery monitors ► Interrupt output for LPCM system wake-up ► 4 Mbps unidirectional mode ► Requires no software changes in most SPI systems ► Ultra-low idle current ► Automatic interface wake-up detection ► Operating temperature range: −40°C to +125°C ► 3.0 V to 5.5 V isoSPI driver power supply ► 1.7 V to 5.5 V interface to microcontrollers ► 3.