LM49321 Selling Leads, Price trend, LM49321 DataSheet download, circuit diagram from SeekIC.com

PinoutSpecificationsPower@ 8Ohms, 1% THD.520 WattTHD.01 %PSRR76 dBSNR85 dBChannels2 ChannelsTHD ConditionsHeadphone; Po =10mW;f=1kHz;32R SEPSRR ConditionsMode 2 LS. AVDD = 3.0; frip=217Hz; Vrip =200mVp-p;Cb=2.2uF. All gains =0dBSNR ConditionsGains set to 0dBUser Supply5 VoltAudio MuxYesCapless He...

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SeekIC No. : 004395902 Detail

LM49321: PinoutSpecificationsPower@ 8Ohms, 1% THD.520 WattTHD.01 %PSRR76 dBSNR85 dBChannels2 ChannelsTHD ConditionsHeadphone; Po =10mW;f=1kHz;32R SEPSRR ConditionsMode 2 LS. AVDD = 3.0; frip=217Hz; Vrip =20...

LM49321 Data Sheet

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Part Number:: LM49321
Supply Ability:: 5000

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1~5000

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Specifications

Power@ 8Ohms, 1% THD	.520 Watt
THD	.01 %
PSRR	76 dB
SNR	85 dB
Channels	2 Channels
THD Conditions	Headphone; Po =10mW;f=1kHz;32R SE
PSRR Conditions	Mode 2 LS. AVDD = 3.0; frip=217Hz; Vrip =200mVp-p;Cb=2.2uF. All gains =0dB
SNR Conditions	Gains set to 0dB
User Supply	5 Volt
Audio Mux	Yes
Capless Headphone	Yes
ClassD Driver	No
Interface	I2C SPI I2S
Stereo Inputs	1
National 3D	No
Digital Volume Control Max	5 dB
Digital Volume Control Min	56 dB
Output Modes	7
Supply Range	+2.7 - +5.5 V
Mono Inputs	1
Temperature Min	-40 deg C
Temperature Max	85 deg C
Loudspeaker Type	Class AB
Headphone Type	Virtual Ground
Automotive Selection Guide	No
Loudspeaker Outputs	1
PowerWise	No
A/D Channels	0 Channels
D/A Channels	2
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Description

The LM49321 is an integrated audio sub-system designed for mono voice, stereo music cell phones connecting to base band processors with mono differential analog voice paths. Operating on a 3.3V supply, it combines a mono speaker amplifier delivering 520mW into an 8Ω load, a stereo headphone amplifier delivering 36mW per channel into a 32Ω load, and a mono earpiece amplifier delivering 55mW into a 32Ω load. The headphone amplifier can be configured for output capacitor-less (OCL) or single-ended (SE) mode. It integrates the audio amplifiers, volume control, mixer, and power management control all into a single package. In addition, the LM49321 routes and mixes the single-ended stereo and differential mono inputs into multiple distinct output modes. The LM49321 features an I 2S serial interface for full range audio and an I 2C or SPI compatible interface for control. The full range music path features an SNR of 85dB with up to 192kHz playback.

Boomer audio power amplifiers are designed specifically to provide high quality output power with a minimal amount of external components.

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LM49321RL	CMOS7	0	16561	0	0	954000	4	270700104
LM49321RLX	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.

LM49321

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