Six channel 3500-VRMS micromodule isolator offers protection benefits

Six channel 3500-VRMS micromodule isolator offers protection benefits

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By eeNews Europe

The LTM2892 breaks ground loops by communicating across a galvanic isolation barrier that blocks DC current for potential differences of up to 3,500VRMS providing safe, uninterrupted operation. The LTM2892 requires no external components, providing a small, simple µModule solution for isolated data communications.

The LTM2892 is available in two communications interface versions. The LTM2892-I is I²C compatible at up to 400 kHz with bidirectional serial data (SDA) plus clock (SCL) and three additional isolated CMOS logic signals that operate at up to 10 MHz. The LTM2892-S offers six CMOS digital isolator channels that can be used for general I/O or configured for SPI compliant operation. The six channels include three forward and three reverse directions paths that can all operate at up to 10 MHz. When configured for SPI communications, the maximum clock rate is 8 MHz for unidirectional communication or 4 MHz for round-trip bidirectional operation.

All versions include a logic supply pin that provides direct interfacing with low voltage microcontrollers down to 1.62 V (SPI) or 3 V (I²C) and an ON pin that enables the LTM2892 to be shut down using less than 10 µA. Additional features include uninterrupted communications for common-mode transients greater than 50 kV/µs and rugged ±15 kV ESD HBM across the isolation barrier.


The LTM2892 is offered in a 9 mm x 6.25 mm surface mount BGA package; all integrated circuits and passive components are housed in this RoHS-compliant µModule package. Pricing starts at $5.95 each in 1,000 piece quantities.

More information about the LTM2892 micromodule isolator at

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