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MAX4366, MAX4367, MAX4368
330mW, Ultra-Small, Audio Power Amplifiers with Shutdown


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Data Sheet
FULL DATA SHEET (PDF, 292kB)
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Description
The MAX4366/MAX4367/MAX4368 are bridged audio power amplifiers intended for devices with internal speakers and headsets. The MAX4366/MAX4367/MAX4368 are capable of delivering 330mW of continuous power into a 32Ω load, or 200mW into a 16Ω load with 1% THD+N from a single 5V supply.

The MAX4366/MAX4367/MAX4368 bridged outputs eliminate the need for output-coupling capacitors minimizing external component count. The MAX4366/MAX4367/MAX4368 also feature a low-power shutdown mode, clickless power-up/power-down and internal DC bias generation. The MAX4366 is a unity-gain stable, programmable gain amplifier. The MAX4367/MAX4368 feature internally preset gains of 2V/V and 3V/V, respectively.

All devices are available in space-saving 8-pin TDFN and 8-bump UCSP™ chip-scale packages.

Key Features   Applications/Uses
  • Drives 330mW into 32Ω (200mW into 16Ω)
  • 0.02% THD+N at 1kHz (120mW into 32Ω)
  • Internal Bridged Configuration
  • No Output-Coupling Capacitors
  • 2.3V to 5.5V Single-Supply Operation
  • 2mA Supply Current
  • Low-Power Shutdown Mode
  • Clickless Power-Up and Shutdown
  • Thermal Overload Protection
  • Available in TDFN and UCSP Packages

 
  • Cellular Phones
  • General-Purpose Audio
  • Headphones
  • Headsets
  • PDAs
  • Two-Way Radios

    Diagram
    MAX4366, MAX4367, MAX4368: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 988: Driving Audio Piezoelectric Transducers - MAX4366, MAX4366, MAX4367, MAX4367, MAX4368, MAX4368
  • Application Note 1122: Optimizing Audio Bridged Tied Load Amplifiers - MAX4366

    Evaluation Kits
  • MAX4366EVKIT

    Design Guides
  • AMPLIFIERS/COMPARATORS (PDF)
  • AUDIO (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-18 of 18

    MAX4366 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4366ETA+  
    THIN QFN (Dual);8 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4366ETA+T  
    THIN QFN (Dual);8 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4366EBL+  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4366EBL  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4366EBL+T  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4366EBL-T  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4367 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4367ETA+T  
    THIN QFN (Dual);8 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4367ETA+  
    THIN QFN (Dual);8 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4367EBL+T  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4367EBL-T  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4367EBL  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4367EBL+  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4368 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4368ETA+  
    THIN QFN (Dual);8 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4368ETA+T  
    THIN QFN (Dual);8 pin;10 mm²
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4368EBL+T  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9+2*
    -40°C to +85°C See data sheet
    Materials Analysis
    MAX4368EBL+  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9+2*
    -40°C to +85°C See data sheet
    Materials Analysis
    MAX4368EBL-T  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4368EBL  
    UCSP;8 pin;2 mm²
    Dwg: 21-0093L (PDF)
    Use pkgcode/variation: B9-2*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    More Information
  • Topmark Coding: MAX4366 MAX4367 MAX4368
  • New Product Press Release 2002-02-26 

    Related Products
    MAX4366, MAX4367, MAX4368 330mW, Ultra-Small, Audio Power Amplifiers with Shutdown

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    Document Ref.: 19-2338; Rev 5; 2008-06-27
    This page last modified: 2008-06-27



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