LM49352 datasheet(24/106 Pages) TI

Part #	LM49352

Description	Boomer Mono Class D Audio Codec Subsystem with Ground Referenced Headphone Amplifiers, Earpiece Driver, and Audio DSP

PDF	106 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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24 / 106 page

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FREQUENCY (Hz)

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FREQUENCY (Hz)

LM49352

SNAS467E – MARCH 2009 – REVISED MARCH 2013

www.ti.com

Typical Performance Characteristics (continued)

Earpiece THD+N vs Frequency

Headphone Crosstalk vs Frequency

MONO/AUX Input, MONO/AUX Gain = 0dB, EP Gain = 0dB

MONO/AUX Input, MONO/AUX Gain = 0dB, HP Gain = 0dB

AVDD = 3.3V, POUT = 20mW, RL = 32Ω

HPVDD = 1.8V, AVDD = 3.3V, POUT = 15mW, RL = 32Ω

Earpiece Mode

Figure 44.

Figure 45.

Earpiece THD+N vs Output Power

MONO/AUX Input, MONO/AUX Gain = 0dB, EP Gain = 0dB

Earpiece PSRR vs Frequency

AVDD = 3.3V, fIN = 1kHz, RL = 32Ω

MONO/AUX Input, MONO/AUX Gain = 0dB, EP Gain = –6dB

Earpiece Mode

AVDD = 3.3V, VRIPPLE = 200mVPP, Earpiece Mode

Figure 46.

Figure 47.

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