General Description

The MAX3346E bidirectional transceiver converts logiclevel signals to USB signals, and USB signals to logiclevel signals. The MAX3346E includes the 1.5kΩ USB pullup resistor internally, and supports both full-speed (12Mbps) and low-speed (1.5Mbps) USB operation. The device has built-in ±15kV ESD protection circuitry to guard the USB I/O pins, D+ and D-.

Features

♦ ±15kV ESD Protection on D+ and D-

♦ Internal Linear Regulator Allows Direct Powering

   from the USB Cable

♦ Internal 1.5kΩ Pullup Resistor for Low/Full-Speed

   Operation

♦ Supports Low-Speed and Full-Speed USB

   Communications

♦ Complies with USB Specification Revision 1.1 and

   2.0 (Low Speed and Full Speed)

♦ Three-State Outputs

♦ Enumerate Input—Allows USB Connection

   through Software

♦ No Power-Supply Sequencing Required

♦ Operates with VL of 1.65V to 3.6V, Ensuring

   Compatibility with Low-Voltage ASICs

♦ Available in Miniature Chip-Scale Package

Applications

   Cell Phones

   PC Peripherals

   Data Cradles

   PDAs

   MP3 Players