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LM49120

PinoutSpecificationsPower@ 8Ohms, 1% THD.54 WattTHD0.015 %PSRR83 dBChannels3 ChannelsTHD Conditionsf=1kHz, Pout = 12mW, RL=32ohms, SE or OCL HP out, mode 4PSRR ConditionsVripple = 200mVpp, fripple=217Hz, RL=32ohms, Cb=2.2uFUser Supply3.3 VoltAudio MuxYesCapless HeadphoneYesClassD DriverNoInterface...

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SeekIC No. : 004395880 Detail

LM49120: PinoutSpecificationsPower@ 8Ohms, 1% THD.54 WattTHD0.015 %PSRR83 dBChannels3 ChannelsTHD Conditionsf=1kHz, Pout = 12mW, RL=32ohms, SE or OCL HP out, mode 4PSRR ConditionsVripple = 200mVpp, fripple=2...

LM49120 Data Sheet

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Part Number:
LM49120
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, 1% THD.54 Watt
THD0.015 %
PSRR83 dB
Channels3 Channels
THD Conditionsf=1kHz, Pout = 12mW, RL=32ohms, SE or OCL HP out, mode 4
PSRR ConditionsVripple = 200mVpp, fripple=217Hz, RL=32ohms, Cb=2.2uF
User Supply3.3 Volt
Audio MuxYes
Capless HeadphoneYes
ClassD DriverNo
InterfaceI2C
Stereo Inputs1
National 3DNo
Digital Volume Control Max18 dB
Digital Volume Control Min-86 dB
Output Modes24
Supply Range+1.4 - +3.6 V
Mono Inputs1
Temperature Min-40 deg C
Temperature Max85 deg C
Loudspeaker TypeClass AB
Headphone TypeVirtual Ground
AEC Q-100 Automotive Grade0
Automotive Selection GuideNo
Loudspeaker Outputs1
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Description

The LM49120 is a compact audio subsystem designed for portable handheld applications such as cellular phones. The LM49120 combines a mono 1.3W speaker amplifier, stereo 85mW/ch output capacitorless headphone amplifier, 32 step volume control, and an input mixer/multiplexer into a single 16bump micro SMD package.

The LM49120 has three input channels: two single-ended stereo inputs and a differential mono input. Each input features a 32-step digital volume control. The headphone output stage features an 8 step (-18dB 0dB) attenuator, while the speaker output stage has two selectable (0dB/+6dB) gain settings. The digital volume control and mode control are programmed through a two-wire I 2C compatible interface.

Reliability Metrics

Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
LM49120TL CMOS7 0 16561 0 0 954000 4 270700104
LM49120TLX 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.





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