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MAX9830
Mono 2W Class D Amplifier

2.3W of Low-EMI, Class D Power from a 2.5mm x 2.5mm Package


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Status
Active: In Production.

Description
FULL DATA SHEET (PDF, 1.0MB)
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The MAX9830 mono 2W Class D amplifier provides Class AB audio performance with Class D efficiency.

Active emissions limiting edge rate and overshoot control circuitry greatly reduces EMI. A patented filterless spread-spectrum modulation scheme eliminates the need for output filtering found in traditional Class D devices. These features reduce application component count.

The MAX9830's industry-leading 1.6mA at 5V, 1.2mA at 3.6V, quiescent current extends battery life in portable applications.

The MAX9830 is available in an 8-pin TDFN (2mm x 2mm x 0.8mm) and is specified over the extended -40°C to +85°C temperature range.

An evaluation kit is available:  MAX9830AEVKIT  

Key Features   Applications/Uses
  • Industry-Leading Quiescent Current: 1.6mA at 5V, 1.2mA at 3.6V
  • Spread Spectrum and Active Emissions Limiting
  • Passes EMI Limit Unfiltered with Up to 24in (61cm) of Speaker Cable
  • High 94dB PSRR at 217Hz
  • Click-and-Pop Suppression
  • Thermal and Overcurrent Protection
  • Low 0.5µA Current Shutdown Mode
  • Space-Saving, 2mm x 2mm x 0.8mm, 8-Pin TDFN Package

 
  • Cellular Phones
  • MP3 Players
  • Notebook and Netbook Computers
  • Portable Audio Players
  • VoIP Phones

    Key Specifications:  Speaker Amplifiers
    Part Number Class Spkr. Amp. VCC
    (V)
    Spkr. Amp. VCC
    (V)
    Spkr. Amp. ICC
    (mA)
    POUT into 4Ω @ 1% THD+N
    (W)
    POUT into 4Ω @ 10% THD+N
    (W)
    POUT into 8Ω @ 1% THD+N
    (W)
    POUT into 8Ω @ 10% THD+N
    (W)
    Spkr. Amp. Half Pwr. THD+N
    (%)
    SNR
    (dB)
    PSRR
    (dB)
    Spkr. Amp. Ext. Gain Spkr. Amp. Fxd. Gain
    (V/V)
    Features Channels Price
    min max typ min min min min A- Weighted min max See Notes
    MAX9830 NEW! D 2.6 5.5 1.2 1.7 2.25 1.3 1.5 0.04 98 64.3 Yes 16
    Active Emissions Limiting (AEL)
    Differential Inputs
    Filterless Operation
    1 $0.38 @1k
    See All Speaker Amplifiers (30)

    Diagram
    MAX9830: Typical Operating Circuit
    Typical Operating Circuit

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    Document Ref.: 19-4806; Rev 0; 2009-08-19
    This page last modified: 2009-08-19


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