LM49251 datasheet, PDF - EEWORLD Datasheet

LM49251: DescriptionLM49251 Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection; Categorysemiconductor Analog mixed-signal IC; File Size8MB，41 Pages; ManufacturerTexas Instruments; Websitehttp://www.ti.com.cn/; Environmental Compliance

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LM49251 Overview

LM49251 Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection

Parameter Name	Attribute value
Audio input type	Analog Input
SNR(dB)	98
THD + N @ 1 kHz(%)	0.02
Architecture	Class-D
Rating	Catalog
Analog supply(Min)(V)	2.7
Approx. price(US$)	0.89 \| 1ku
Iq(Typ)(mA)	1.15
Speaker channels	Stereo
Control interface	I2C
Operating temperature range(C)	-40 to 85
PSRR(dB)	93
Closed/open loop	Open
Power stage supply(Min)(V)	2.7
Analog supply(Max)(V)	5.5
Load(Min)(ohms)	4
Speaker channels(Max)	Stereo
Power stage supply(Max)(V)	5.5
Output power(W)	1.37

	LM49251	LM49251TL-NOPB	LM49251TLX-NOPB	LM49251TL/NOPB	LM49251TLX/NOPB
Description	LM49251 Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection	Audio Amplifiers Y	Audio Amplifiers Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection 30-DSBGA -40 to 85	Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection 30-DSBGA -40 to 85	Stereo Audio Subsystem w/ Class G Headphone Amp & Class D Speaker Amp w/ Speaker Protection 30-DSBGA -40 to 85

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