LM49150_14 datasheet(11/31 Pages) TI1

Part #	LM49150

Description	Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers

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Manufacturer	TI1 [Texas Instruments]

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VDD = 5V

VDD = 3.6V

VDD = 3.3V

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LM49150, LM49150TLEVAL

www.ti.com

SNAS439B – AUGUST 2008 – REVISED MARCH 2009

Typical Performance Characteristics (continued)

THD+N vs Frequency

VDD = 3.3V, RL = 8Ω, POUT = 20mW

VDD = 3.6V, RL = 8Ω, POUT = 30mW

Earpiece Bypass Mode

Figure 9.

Figure 10.

THD+N vs Frequency

THD+N vs Output Power

VDD = 5V, RL = 8Ω, POUT = 60mW

RL = 8Ω, f = 1kHz

Earpiece Bypass Mode

Speaker Mode 1

Figure 11.

Figure 12.

THD+N vs Output Power

VDD = 3.3V, RL = 32Ω, f = 1kHz

VDD = 3.6V, RL = 32Ω, f = 1kHz

Headphone Mode 8

Figure 13.

Figure 14.

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Product Folder Links: LM49150 LM49150TLEVAL

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