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LM4902

PinoutSpecificationsPower@ 8Ohms, 1% THD0.675 WattPower@ 8Ohms, 10% THD1 WattTHD0.4 %PSRR67 dBChannels1 ChannelsSupply Range+2.0 - +5.5 VTHD ConditionsPo = 0.4Wrms, Avd=2, RL=8ohmsPSRR ConditionsVripple=0.2Vrms sine p-p, f=1kHzUser Supply5 VoltShutdown TypeLowTemperature Min-40 deg CTemperature Ma...

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SeekIC No. : 004395868 Detail

LM4902: PinoutSpecificationsPower@ 8Ohms, 1% THD0.675 WattPower@ 8Ohms, 10% THD1 WattTHD0.4 %PSRR67 dBChannels1 ChannelsSupply Range+2.0 - +5.5 VTHD ConditionsPo = 0.4Wrms, Avd=2, RL=8ohmsPSRR ConditionsVri...

LM4902 Data Sheet

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Part Number:
LM4902
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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Product Details

Description



Pinout




Specifications

Power@ 8Ohms, 1% THD0.675 Watt
Power@ 8Ohms, 10% THD1 Watt
THD0.4 %
PSRR67 dB
Channels1 Channels
Supply Range+2.0 - +5.5 V
THD ConditionsPo = 0.4Wrms, Avd=2, RL=8ohms
PSRR ConditionsVripple=0.2Vrms sine p-p, f=1kHz
User Supply5 Volt
Shutdown TypeLow
Temperature Min-40 deg C
Temperature Max85 deg C
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Description

The LM4902 is a bridged audio power amplifier capable of delivering 265mW of continuous average power into an 8 load with 1% THD+N from a 3.3V power supply.

Boomer® audio power amplifiers were designed specifically to provide high quality output power from a low supply voltage while requiring a minimal amount of external components. Since the LM4902 does not require output coupling capacitors, bootstrap capacitors or snubber networks, it is optimally suited for low-power portable applications.

The LM4902 features an externally controlled, low power consumption shutdown mode, and thermal shutdown protection.

The closed loop response of the unity-gain stable LM4902 can be configured by external gain-setting resistors.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM4902LD CMOS7 0 16561 0 0 954000 4 270700104
LM4902LDX CMOS7 0 16561 0 0 954000 4 270700104
LM4902MM CMOS7 0 16561 0 0 954000 4 270700104
LM4902MMX CMOS7 0 16561 0 0 954000 4 270700104

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.


More Application Notes

Title Size in Kbytes Date
AN-1528: Application Note 1528 Using AC'97 Codecs in Non-PC Systems 164 Kbytes 16-Mar-07 Download
AN-1528 (Chinese): Application Note 1528 Using AC'97 Codecs in Non-PC Systems
 483 Kbytes   640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">

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