General Description

The MIC2551A is a single chip transceiver that complies with the physical layer specifications of the Universal Serial Bus (USB) 2.0. It supports both full speed (12Mbps) and low speed (1.5Mbps) operation and introduces superior edge rate control, producing crisper eye diagrams. This in turn, eases the task of passing USB compliance testing.

Features

• ±15kV ESD protection on VBUS, D+ and D-

• Smaller 2.5mm × 2.5mm MLF® package

• USB 1.1 and 2.0 compliant transceiver (full speed - 12Mbs and low speed - 1.5Mbps) operation

• Separate I/O supply with operation down to 1.6V

• Integrated speed select termination supply

• Very-low power consumption to meet USB suspend current requirements

• No power supply sequencing requirements

• Software controlled enumeration

Applications

• PDAs

• Palmtops

• Cell phones

• PC peripherals