LM49350_15 datasheet(63/108 Pages) TI

Part #	LM49350

Description	LM49350 Boomer짰 Audio Power Amplifier Series High Performance Audio Codec Sub-System with a Ground-Referenced Stereo Headphone Amplifier & an Ultra Low EMI Class D Loudspeaker Amplifier with Dual I2S/PCM Digital Audio Interfaces

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Manufacturer	TI [Texas Instruments]

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LM49350, LM49350RLEVAL

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SNAS359D – SEPTEMBER 2008 – REVISED JUNE 2012

Table 50. ADC_ALC_2 (0x82h)

Bits

Field

Description

3:0

NOISE_FLOOR

This sets the anticipated noise floor. Signals lower than the noise floor specified will be gated from the

ALC to avoid noise pumping.

NOISE_FLOOR

Noise Floor (dB)

0000

–39

0001

–42

0010

–45

0011

–48

0100

–51

0101

–54

0110

–57

0111

–60

1000

–63

1001

–66

1010

–69

1011

–72

1100

–75

1101

–78

1110

–81

1111

–84

4

NG_ENB

This enables the Noise Gate.

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