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LM4844

Features: Stereo speaker amplifierStereo OCL headphone amplifierIndependent Left, Right, and Mono volume controlsNational 3D enhancementI2C compatible interfaceUltra low shutdown currentClick and Pop Suppression circuit10 distinct output modesApplicationCell PhonesPDAsPortable Gaming DevicesIntern...

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SeekIC No. : 004395798 Detail

LM4844: Features: Stereo speaker amplifierStereo OCL headphone amplifierIndependent Left, Right, and Mono volume controlsNational 3D enhancementI2C compatible interfaceUltra low shutdown currentClick and Po...

LM4844 Data Sheet

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Part Number:
LM4844
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

 Stereo speaker amplifier
 Stereo OCL headphone amplifier
 Independent Left, Right, and Mono volume controls
 National 3D enhancement
 I2C compatible interface
 Ultra low shutdown current
 Click and Pop Suppression circuit
 10 distinct output modes


Application

 Cell Phones
 PDAs
 Portable Gaming Devices
 Internet Appliances
 Portable DVD, CD, AAC, and MP3 Players


Specifications

Supply Voltage ................................................6.0V
Storage Temperature .................−65°C to +150°C
Input Voltage ..........................−0.3V to VDD +0.3V
Power Dissipation (Note 3) .........Internally Limited
ESD Susceptibility (Note 4) ...........................2000V
ESD Susceptibility (Note 5)............................. 200V
Junction Temperature (TJ) ............................150°C
Thermal Resistance
  JA (TLA30CZA)....................................... 62°C/W


Description

The LM4844 is an integrated audio sub-system designed for stereo cell phone applications. Operating on a 3.3V supply, it combines a stereo speaker amplifier delivering 495mW per channel into an 8 load and a stereo OCL headphone amplifier delivering 33mW per channel into a 32 load.

It integrates the audio amplifiers, volume control, mixer, power management control, and National 3D enhancement all into a single package. In addition, the LM4844 routes and mixes the stereo and mono inputs into 10 distinct output modes. The LM4844 is controlled through an I2C compatible interface.

Boomer audio power amplifiers are designed specifically to provide high quality output power with a minimal amount of external components.

The LM4844 is available in a very small 2.5mm x 2.9mm 30-bump micro SMD (TL) package.




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