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MAX9892

MAX9892

Shunt Mode Audio Click-and-Pop Eliminator

Industry's Newest IC Eliminates Clicks and Pops for Headphone and Line Output in a Small Footprint

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Overview

Description

The MAX9892 is an audio click-and-pop eliminator for portable multimedia devices. Operating from a 1.7V to 3.6V supply, the MAX9892 connects to the output of the existing system amplifier and provides a low-impedance path to ground during startup and shutdown. The inputs INL and INR accept voltage swings from VDD to 5.5V below VDD. See the Setting the Supply Voltage section in the full data sheet for more information. The power-up and power-down transients are shunted to ground to prevent clicks and pops from becoming audible.

The MAX9892 features two low-impedance analog switches controlled by active-low MUTE that opens and closes the switches. The switches are open during normal operation and have no impact on the output signal. During startup and shutdown of the amplifier, the MAX9892 can be activated to short the outputs to ground and prevent clicks and pops from pulling current through the headphones.

The MAX9892 is available in 6-bump UCSP™ (1mm x 1.52mm x 0.6mm) and 6-pin µDFN (2mm x 2mm x 0.75mm) packages. The MAX9892 is specified over the -40°C to +85°C temperature range.
MAX9892: Typical Operating Circuit MAX9892: Typical Operating Circuit Enlarge+

Key Features

  • Distortion-Free, Click-and-Pop Elimination
  • Less than 1µA Supply Current
  • 1.7V to 3.6V Single-Supply Operation
  • Tiny Packages
    • 6-Bump UCSP (1mm x 1.52mm x 0.6mm)
    • 6-Pin µDFN (2mm x 2mm x 0.75mm)

Applications/Uses

  • Mobile Internet Devices
  • Mobile Phones
  • Notebook Computers
  • Portable Gaming Consoles
  • Portable Media Players
  • Smart Phones

Parametric Specs

Part NumberVSUPPLY
(V)		VSUPPLY
(V)		IQ
(mA)		SHDNChannelsPackage/PinsBudgetary
Price
minmaxtypSee Notes
MAX9892 1.73.60.0006Yes2
UCSP (R)/6
UDFN/6
$0.38 @1k
See All Click-Pop Suppressors (2)
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.

Design Resources


MAX9892EVKIT: Evaluation Kit for the MAX9892

Technical Documents

Tutorial 4449 How to Pick a Click-and-Pop Suppressor

Quality and Environmental Data

Product Reliability Reports: MAX9892.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Quality And Environmental

Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

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Technical Docs

Type ID PDF Title
Tutorial 4449 How to Pick a Click-and-Pop Suppressor

Design Guides

PDF Title

Reference Designs

Type ID Title
Evaluation Board6189MAX9892EVKIT Evaluation Kit for the MAX9892