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The LTM2889IY-5 is a complete current-isolated controller local area network (CAN) μModule® (mini-module) transceiver. It requires no external components, and a single power supply feeds both sides of the interface through an integrated isolated DC/DC converter. Separate versions are available for 3.3V and 5V supplies. Dual voltage CAN transceivers and adjustable regulators provide 3.3V or 5V isolated power supplies using either the 3.3V or 5V version.

A coupled inductor and isolated power transformer provide 2500VRMS of isolation between the line transceiver and the logic interface. The device is ideally suited for ground loop disconnected systems, allowing a large common-mode voltage range. For common mode transients greater than 30kV/μs, uninterrupted communication is maintained.

The transceiver supports up to 4Mbps CAN with flexible data rates (CAN FD). The logic power pin can be easily connected to different logic levels from 1.62V to 5.5V independent of the mains supply. Enhanced ESD protection allows the device to withstand up to ±25kV human body modelling (HBM) on the transceiver interface pins and ±10kV HBM on the isolation gate without latch-up or damage.

Benefits and Features

Isolated 4Mbps CAN FD transceiver

2500VRMS (1 minute duration, per UL1577)

Isolated DC supply: 5V (adjustable to 3.3V)

Isolated power outputs available up to 150mA

3.3V or 5V input supply voltage options

Pending UL-CSA Standard Recognition Document #E151738

No external components required

High bus fault voltage tolerance: ±60V

Low power OFF mode: <1μA (typical)

Withstands high common mode transients: 30kV/μs

Variable slew rate driver with active symmetrical control and SPLIT pin for low EME

Fully compliant with ISO 11898-2 and CAN FD standards

Ideal passive operation to the CAN bus (power off)

Transmit Data (TXD) dominated timeout function

High ESD: ±25kV CANH, CANL to GND2 and VCC2; ±10kV across isolated barriers

Ambient operating temperature range: -40°C to 125°C

Low profile 15mm x 11.25mm BGA package

Applications

Isolated CAN bus interface

Industrial networks

DeviceNet applications

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