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LTC6811-1/LTC6811-2
Multicell Battery Monitors
FEATURES DESCRIPTION Pin-Compatible Upgrade from the LTC6804
nn Measures Up to 12 Battery Cells in Series
nn 1.2mV Maximum Total Measurement Error
nn Stackable Architecture Supports 100s of Cells
nn Built-in isoSPITM Interface
nn 1Mb Isolated Serial Communications
nn Uses a Single Twisted Pair, up to 100 Meters
nn Low EMI Susceptibility and Emissions
nn 290Вµs to Measure All Cells in a System
nn Synchronized Voltage and Current Measurement
nn 16-Bit Delta-Sigma ADC with Programmable 3rd
Order Noise Filter
nn Engineered for ISO 26262-Compliant Systems
nn Passive Cell Balancing with Programmable Timer
nn 5 General Purpose Digital I/O or Analog Inputs
nn Temperature or other Sensor Inputs
nn Configurable as an I2C or SPI master
nn 4ОјA Sleep Mode Supply Current
nn 48-Lead SSOP Package The LTCВ®6811 is a multicell battery stack monitor that
measures up to 12 series connected battery cells with
a total measurement error of less than 1.2mV. The cell …