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Overview
Features and Benefits
- Isolated USB Transceiver: 7500VRMS for 1 Minute
- UL-CSA Recognition Pending
- Reinforced Insulation
- USB 2.0 Full Speed and Low Speed Compatible
- Auto-Configuration of Bus Speed
- 4.4V to 36V VBUS and VBUS2 Operating Range
- 3.3V LDO Output Supply Signal References VLO and VLO2
- 50kV/μs Common Mode Transient Immunity
- ±20kV HBM ESD: on USB Interface Pins
- 1414VPEAK Maximum Continuous Working Voltage
- 17.4mm Creepage Distance
- 22mm × 6.25mm Surface Mount BGA
Product Details
The LTM2894 is a complete galvanically-isolated USB 2.0 compatible μModule® (micromodule) transceiver.
The LTM2894 is ideal for isolation in host, hub, bus splitter or peripheral device applications. It is compatible with USB 2.0 full speed (12Mbps) and low speed (1.5Mbps) operation. Automatic speed selection configures integrated pull-up resistors on the upstream port to match those sensed on the downstream device.
The isolator μModule technology uses coupled inductors to provide 7500VRMS of isolation and 17.4mm of creepage between the upstream and downstream USB interface. This device is ideal for systems requiring isolated ground returns or large common mode voltage variations. Uninterrupted communication is guaranteed for common mode transients greater than 50kV/μs.
Enhanced ESD protection allows this part to withstand up to ±20kV (human body model) on the USB transceiver interface pins to local supplies and ±20kV through the isolation barrier to supplies without latch-up or damage.
Applications
- Isolated USB Interfaces
- Host, Hub, or Device Isolation
- Industrial/Medical Data Acquisition
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
