MAX3344E

PRODUCTION

±15kV ESD-Protected USB Transceivers in UCSP with USB Detect

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • ±15kV ESD Protection On D+ and D-
  • Comply with USB Specification 1.1 (Full Speed 2.0)
  • Separate VP and VM Inputs/Outputs
  • VL Down to 1.65V Allows Connection with Low-Voltage ASICs
  • Enumerate Input—Allows USB Connection through Software
  • USB Detect Function
    • 3.6V (min) to 4V (max)—MAX3344E
    • 1V (min) to 2.8V (max)—MAX3345E
  • Allow Single-Ended or Differential Logic I/O
  • Internal Linear Regulator Allows Direct Powering from the USB
  • Internal Pullup Resistor for Full-Speed Operation
  • Three-State Outputs
  • No Power-Supply Sequencing Required
  • Driver Active in Suspend Mode
  • Available in Miniature Chip-Scale Package

The MAX3344E/MAX3345E USB transceivers convert logic-level signals to USB signals, and USB signals to logic-level signals. An internal 1.5kΩ USB pullup resistor supports full-speed (12Mbps) USB operation. The MAX3344E/MAX3345E provide built-in ±15kV ESD-protection circuitry on the USB I/O pins, D+ and D-, and VCC.

The MAX3344E/MAX3345E operate with logic supply voltages as low as 1.65V, ensuring compatibility with low-voltage ASICs. The suspend mode lowers supply current to less than 40µA. An enumerate function allows devices to logically disconnect while plugged in. The MAX3344E/MAX3345E are fully compliant with USB specification 1.1, and full-speed operation under USB specification 2.0.

The MAX3344E/MAX3345E have a USB detect that monitors the USB bus for insertion and signals this event. The MAX3344E USB_DET threshold is between 3.6V (min) and 4V (max), while the MAX3345E USB_DET threshold is between 1V (min) and 2.8V (max).

The MAX3344E/MAX3345E are available in the miniature 4 x 4 UCSP™, as well as the small 16-pin TSSOP, and are specified over the extended temperature range, -40°C to +85°C.

Applications

  • Cell Phones
  • Data Cradles
  • Digital Cameras
  • Information Appliances
  • MP3 Players
  • PC Peripherals
  • PDAs
MAX3344E
±15kV ESD-Protected USB Transceivers in UCSP with USB Detect
MAX3344E, MAX3345E: Typical Operating Circuit
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Documentation

Data Sheet 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 1
MAX3346E
PRODUCTION ±15kV ESD-Protected USB Transceiver in UCSP
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Tools & Simulations

IBIS Model 1

Evaluation Kits

MAX3345EEVKIT

Evaluation Kit for the MAX3344E, MAX3345E

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Features and Benefits

  • USB 1.1 Full-Speed Compliant (12Mbps)
  • Single-Supply Operation
  • Low-Profile (1.0mm max) Design
  • On-Board Oscillator
  • Included USB A-B Cable
  • Jumper-Selectable Master/Slave Configuration
  • Fully Assembled and Tested
  • Also Evaluates MAX3344E

    • Product Details

    The MAX3345E evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that evaluates the MAX3345E USB level translator. The EV kit includes TSSOP and UCSP™ versions of the MAX3345E IC, which are configured as a master and slave unit, respectively. The EV kit is designed to be driven by the on-board single-ended/differential driver, or directly connected to a microcontroller (µC) or application- specific integrated circuit (ASIC).
    MAX3345EEVKIT
    Evaluation Kit for the MAX3344E, MAX3345E

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