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LM4782

PinoutSpecificationsPower@ 4Ohms, 1% THD32 WattPower@ 8Ohms, 1% THD25 WattPower@ 4Ohms, 10% THD40 WattPower@ 8Ohms, 10% THD30 WattTHD0.2 %PSRR115 dBSNR98 dBChannels3 ChannelsTHD ConditionsPo=15W, f=20kHz, Av=26dB, V=25V, Rl=8OhmsPSRR ConditionsV+=25V-10V,V-=-25V Vcm=0V, Io=0mASNR ConditionsPo=1Wrm...

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SeekIC No. : 004395767 Detail

LM4782: PinoutSpecificationsPower@ 4Ohms, 1% THD32 WattPower@ 8Ohms, 1% THD25 WattPower@ 4Ohms, 10% THD40 WattPower@ 8Ohms, 10% THD30 WattTHD0.2 %PSRR115 dBSNR98 dBChannels3 ChannelsTHD ConditionsPo=15W, f=...

LM4782 Data Sheet

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Part Number:
LM4782
Supply Ability:
5000

Price Break

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

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Product Details

Description



Pinout




Specifications

Power@ 4Ohms, 1% THD32 Watt
Power@ 8Ohms, 1% THD25 Watt
Power@ 4Ohms, 10% THD40 Watt
Power@ 8Ohms, 10% THD30 Watt
THD0.2 %
PSRR115 dB
SNR98 dB
Channels3 Channels
THD ConditionsPo=15W, f=20kHz, Av=26dB, V=25V, Rl=8Ohms
PSRR ConditionsV+=25V-10V,V-=-25V Vcm=0V, Io=0mA
SNR ConditionsPo=1Wrms;A-Weighted Filter;fin=1kHz, Rs=25Ohms
User Supply25 Volt
Supply Range+20 - +64V
Mute/ShutdownMute and standby
Mono/Stereo3 Ch
Gain Bandwidth7.5 MHz
Slew Rate18 Volts/usec
Temperature Min-20 deg C
Temperature Max85 deg C
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Description

The LM4782 is a three channel audio amplifier capable of typically delivering 25W per channel of continuous average output power into an 8 load with less than 0.5% THD+N from 20Hz - 20kHz.

The LM4782 is fully protected utilizing National's Self Peak Instantaneous Temperature (°Ke) (SPiKeTM) protection circuitry. SPiKe provides a dynamically optimized Safe Operating Area (SOA). SPiKe protection completely safeguards the LM4782's outputs against over-voltage, under-voltage, overloads, shorts to the supplies or GND, thermal runaway and instantaneous temperature peaks. The advanced protection features of the LM4782 places it in a class above discrete and hybrid amplifiers.

Each amplifier of the LM4782 has an independent smooth transition fade-in/out mute and a power conserving standby mode. The mute and standby modes can be controlled by external logic.

The LM4782 can easily be configured for bridge or parallel operation for higher power and bi-amp solutions.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM4782TA HV700 0 13580 0 0 1222500 3 346887713

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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