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LM49100

PinoutSpecificationsPower@ 8Ohms, 10% THD0.525 WattPower@ 8Ohms, 1% THD0.425 WattTHD0.2 %PSRR90 dBChannels3 ChannelsTHD ConditionsHeadphone mode 4, f=1kHz, RL=32ohm, Pout=25mWPSRR ConditionsLS, Modes 1, 2, 10User Supply3.6 VoltCapless HeadphoneNoClassD DriverNoInterfaceI2CStereo Inputs2Digital Vol...

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SeekIC No. : 004395877 Detail

LM49100: PinoutSpecificationsPower@ 8Ohms, 10% THD0.525 WattPower@ 8Ohms, 1% THD0.425 WattTHD0.2 %PSRR90 dBChannels3 ChannelsTHD ConditionsHeadphone mode 4, f=1kHz, RL=32ohm, Pout=25mWPSRR ConditionsLS, Mode...

LM49100 Data Sheet

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Part Number:
LM49100
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@ 8Ohms, 10% THD0.525 Watt
Power@ 8Ohms, 1% THD0.425 Watt
THD0.2 %
PSRR90 dB
Channels3 Channels
THD ConditionsHeadphone mode 4, f=1kHz, RL=32ohm, Pout=25mW
PSRR ConditionsLS, Modes 1, 2, 10
User Supply3.6 Volt
Capless HeadphoneNo
ClassD DriverNo
InterfaceI2C
Stereo Inputs2
Digital Volume Control Max18 dB
Digital Volume Control Min-54 dB
Output Modes10
Supply Range+2.7 - +5.5 V
Mono Inputs2
Temperature Min-40 deg C
Temperature Max85 deg C
Loudspeaker TypeClass AB
Headphone TypeTrue Ground
Loudspeaker Outputs2
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Description

The LM49100 is a fully integrated audio subsystem capable of delivering 1.275W of continuous average power into a mono 8Ω bridged-tied load (BTL) with 1% THD+N and with a 5V power supply. The LM49100 also has a stereo true-ground headphone amplifier capable of 50mW per channel of continuous average power into a 32Ω single-ended (SE) loads with 1% THD+N.

The LM49100 has three input channels. One pair of SE inputs can be used with a stereo signal. The other input channel is fully differential and may be used with a mono input signal. The LM49100 features a 32-step digital volume control and ten distinct output modes. The mixer, volume control, and device mode select are controlled through an I 2C compatible interface.

Thermal overload protection prevent the device from being damaged during fault conditions. Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown.

Design Tools

Title Size in Kbytes Date    
Control Software     View Download  

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Application Notes

Title Size in Kbytes Date
AN-1622: Application Note 1622 LM49100 Evaluation Board User's Guide 1237 Kbytes 19-Oct-07 Download

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