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LM4804

PinoutSpecificationsPower@ 8Ohms, 1% THD1.8 WattPower@ 8Ohms, 10% THD2.1 WattTHD0.15 %Supply Range+2.6 - +5 VTHD ConditionsVs = 5V, RL = 8 Ohms, Pout= 1.5WUser Supply3.3 VoltShut downYesShutdown TypeLowTemperature Min-40 deg CTemperature Max85 deg C View Using CatalogDescriptionThe LM4804 integrat...

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SeekIC No. : 004395769 Detail

LM4804: PinoutSpecificationsPower@ 8Ohms, 1% THD1.8 WattPower@ 8Ohms, 10% THD2.1 WattTHD0.15 %Supply Range+2.6 - +5 VTHD ConditionsVs = 5V, RL = 8 Ohms, Pout= 1.5WUser Supply3.3 VoltShut downYesShutdown Typ...

LM4804 Data Sheet

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Part Number:
LM4804
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: 2024/11/24

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Product Details

Description



Pinout




Specifications

Power@ 8Ohms, 1% THD1.8 Watt
Power@ 8Ohms, 10% THD2.1 Watt
THD0.15 %
Supply Range+2.6 - +5 V
THD ConditionsVs = 5V, RL = 8 Ohms, Pout= 1.5W
User Supply3.3 Volt
Shut downYes
Shutdown TypeLow
Temperature Min-40 deg C
Temperature Max85 deg C
View Using Catalog



Description

The LM4804 integrates a Boost Converter with an Audio Power Amplifier to drive voice coil speakers in portable applications. When powered by a 3V supply, it is capable of creating 1.8W power dissipation in an 8 bridge-tied-load (BTL) with less than 1% THD+N.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4804 does not require bootstrap capacitors, or snubber circuits. Therefore it is ideally suited for portable applications requiring high output voltage and minimal size.

The LM4804 features a micro-power shutdown mode. Additionally, the LM4804 features an internal thermal shutdown protection mechanism.

The LM4804 contains advanced pop & click circuitry that eliminates output transients which would otherwise occur during power or shutdown cycles.

The LM4804 is unity-gain stable. Its closed-loop gain is determined by the value of external, user selected resistors.

Reliability Metrics

Part NumberProcessEFR RejectEFR Sample SizePPMLTA RejectsLTA Device HoursFITSMTTF (Hours)
LM4804LQCS065234108590386200011095853045
LM4804LQXCS065234108590386200011095853045

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.





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