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MAX4899AE, MAX4899E

USB 2.0 High-Speed, Fault-Tolerant 3:1, 4:1 Multiplexers

High-Speed Analog Switches for Portable Applications that Allow a Limited Number of Pins to Be Used for Multiple Purposes
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Status Explanations for product status codes

Part Number Status
MAX4899AE Active: In Production. See Ordering Information for details.
MAX4899E Active: In Production. See Ordering Information for details.


The MAX4899E/MAX4899AE analog multiplexers combine the low on-capacitance (CON) and low on-resistance (RON) necessary for high-performance switching applications. These devices are designed for USB 2.0 high-speed applications at 480Mbps. The MAX4899E/MAX4899AE also handle all the requirements for USB low- and full-speed signaling.

The MAX4899E is a dual 3:1 multiplexer whereas the MAX4899AE is a dual 4:1 multiplexer. The MAX4899E/MAX4899AE feature two digital inputs, C0 and C1, to control the analog signal path. Typical applications include switching a USB connector between USB and other operations such as serial communications, audio, and video.

An enable input (active-low EN) is provided to disable all channels and place the device into a high-impedance (off) state, as well as reducing power consumption.

The MAX4899E/MAX4899AE operate from a 2.7V to 3.6V power-supply voltage and are protected against +5.5V shorts to COMA- and COMA+. In addition, COMA+ and COMA- are normally connected to outside circuitry and feature ±15kV ESD protection. The MAX4899E/MAX4899AE are available in a 3mm x 3mm, 16-pin TQFN package and operate over the -40°C to +85°C temperature range.

Data Sheet

Download this datasheet in PDF formatDownload Rev 0 (PDF, 216kB)
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An evaluation board is available: MAX4899AEEVKIT

Key Features

  • Single 2.7V to 3.6V Power-Supply Voltage
  • Low 4Ω (typ) On-Resistance (RON)
  • -3dB Bandwidth: 425MHz
  • Fault Tolerant to Meet Full USB 2.0 Specification
  • COM_ Protected to ±15kV ESD Protection per Human Body Model (Mil Standard 883; Method 3015)
  • Low Operating Current (200µA), Ultra-Low Quiescent Current (3.0µA max) in Standby Mode
  • Low Threshold Eliminates the Need for Translators in 1.8V Low Voltage Systems
  • Tiny 3mm x 3mm, 16-Pin TQFN Package


  • Cell Phones
  • Combination Products
  • Digital Still Cameras
  • Digital Video Cameras
  • KVM
  • MPEG-4 Players
  • PDAs
  • Portable GPS Navigation Systems

Key Specifications:

Switches and Multiplexers (Mid and High Voltage)
Part Number Protocol Functions Config. VSUPPLY (Single)
VSUPPLY (Single)
min max max max min max See Notes
MAX4899AE  USB Mux 4-to-1 2.7 3.6 7 425 1000 2800 3 25 15 10.5 $2.52 @1k
MAX4899E  3-to-1 $2.28 @1k
See All Switches and Multiplexers (Mid and High Voltage) (312)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX4899AE, MAX4899E: Functional Diagrams
Functional Diagrams

More Information

Topmark Coding MAX4899AE
Topmark Coding MAX4899E

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Document Ref.: 19-0616 Rev 0; 2006-08-16
This page last modified: 2009-09-04