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LM49151TL/NOPB Datasheet(PDF) 24 Page - Texas Instruments

Part # LM49151TL/NOPB
Description  LM49151 Boomer™ Audio Power Amplifier Series Mono Class D Audio Subsystem with Earpiece Driver, Ground Referenced Headphone Amplifiers, Speaker Protection and No Clip with Clip Control
PDF  34 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM49151TL/NOPB Datasheet(HTML) 24 Page - Texas Instruments

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TI Confidential - NDA Restrictions
LM49151
SNAS482F – MARCH 2009 – REVISED MARCH 2013
www.ti.com
VOLUME CONTROL REGISTER
These registers are used to control output volume control levels for Loudspeaker and Headphone:
Table 8. LS GAIN / HP GAIN
Bits
Field
Description
B4:B0
MONO_VOL
This programs the Earpiece, Loudspeaker, and Headphone volume
STEREO_VOL
level.
VOL
Level (dB)
00000
MUTE
00001
–46.5
00010
–40.5
00011
–34.5
00100
–30
00101
–27
00110
–24
00111
–21
01000
–18
01001
–15
01010
–13.5
01011
–12
01100
–10.5
01101
–9
01110
–7.5
01111
–6
10000
–4.5
10001
–3
10010
–1.5
10011
0
10100
1.5
10101
3
10110
4.5
10111
6
11000
7.5
11001
9
11010
10.5
11011
12
11100
13.5
11101
15
11110
16.5
11111
18
SPREAD SPECTRUM CONTROL REGISTER
This register controls the spread spectrum mode of the class D amplifier:
Table 9. SS Control
Bits
Field
Description
B0
SS_ENB
This sets the spread spectrum mode of the Class D amplifier.
0
Spread Spectrum Disabled
1
Spread Spectrum Enabled
24
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