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LM4912

Features: External gain-setting capabilityAvailable in space-saving MSOP packageUltra low current shutdown modeMute mode allows fast turn-on (10ms) with less than 1mV change on outputs2.0V - 5.5V operationUltra low noiseOperation at low supply voltagesApplicationPortable CD playersPDAsPortable ele...

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LM4912: Features: External gain-setting capabilityAvailable in space-saving MSOP packageUltra low current shutdown modeMute mode allows fast turn-on (10ms) with less than 1mV change on outputs2.0V - 5.5V op...

LM4912 Data Sheet

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Part Number:
LM4912
Supply Ability:
5000

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

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Upload time: 2024/5/16

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Product Details

Description



Features:

 External gain-setting capability
 Available in space-saving MSOP package
 Ultra low current shutdown mode
 Mute mode allows fast turn-on (10ms) with less than 1mV change on outputs
 2.0V - 5.5V operation
 Ultra low noise
 Operation at low supply voltages


Application

 Portable CD players
 PDAs
 Portable electronics devices


Pinout

Connection Diagram


Specifications

Supply Voltage ................................................4.0V
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) ..............................250V
Junction Temperature ....................................150°C
Thermal Resistance
  JC (MSOP) ...............................................56°C/W
  JA (MSOP) .............................................190°C/W


Description

The LM4912 is an stereo audio power amplifier capable of delivering 40mW per channel of continuous average power into a 16 load or 25mW per channel into a 32 load at 1% THD form a 3V power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4912 does not require bootstrap capacitors or snubber networks, it is optimally suited for low-power portable systems.

The LM4912 features a low-power consumption shutdown mode and a power mute mode that allows for faster turn on time with less than 1mV voltage change at outputs on release. Additionally, the LM4912 features an internal thermal shutdown protection mechanism.

The LM4912 is unity gain stable and may be configured with external gain-setting resistors.




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