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LM4820-6

Features: Fixed 6dB BTL voltage gainAvailable in space-saving packages micro SMD, MSOP and SOICUltra low current shutdown modeCan drive capacitive loads up to 500 pFImproved pop & click circuitry eliminates noises during turn-on and turn-off transitions2.0 - 5.5V operationNo output coupling ca...

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SeekIC No. : 004395783 Detail

LM4820-6: Features: Fixed 6dB BTL voltage gainAvailable in space-saving packages micro SMD, MSOP and SOICUltra low current shutdown modeCan drive capacitive loads up to 500 pFImproved pop & click circuitr...

LM4820-6 Data Sheet

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Part Number:
LM4820-6
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: 2025/12/4

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Product Details

Description



Features:

 Fixed 6dB BTL voltage gain
 Available in space-saving packages micro SMD, MSOP and SOIC
 Ultra low current shutdown mode
 Can drive capacitive loads up to 500 pF
 Improved pop & click circuitry eliminates noises during turn-on and turn-off transitions
 2.0 - 5.5V operation
 No output coupling capacitors, snubber networks or bootstrap capacitors required
 External gain configuration still possible


Application

 Mobile Phones
 PDAs
 Portable electronic devices


Pinout

Connection Diagram


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) ..................................2500V
ESD Susceptibility (Note 5).................................... 250V
Junction Temperature .........................................150°C
Thermal Resistance
   JC (SO) ........................................................35°C/W
   JA (SO) ......................................................150°C/W
   JA (micro SMD) ...........................................220°C/W
   JC (MSOP)................................................... 56°C/W
   JA (MSOP) ..................................................190°C/W


Description

The LM4820-6 is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt of continuous average power to an 8 BTL load with less than 1% distortion (THD+N) at 6dB of BTL gain from a 5VDC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4820-6 does not require input and gain resistors, output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal parts count and low power consumption is a primary requirement.

The LM4820-6 features a low-power consumption shutdown mode, which is achieved by driving the shutdown pin with logic low. Additionally, the LM4820-6 features an internal thermal shutdown protection mechanism.

The LM4820-6 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions.




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