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LM49350RLEVAL Datasheet(PDF) 39 Page - Texas Instruments

Part # LM49350RLEVAL
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
PDF  108 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM49350RLEVAL Datasheet(HTML) 39 Page - Texas Instruments

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LM49350, LM49350RLEVAL
www.ti.com
SNAS359D – SEPTEMBER 2008 – REVISED JUNE 2012
Table 16. PLL2_N_MOD (0x0Bh)
Bits
Field
Description
4:0
PLL2_N_MOD
This programs the sigma-delta modulator in PLL2
PLL2_N_MOD
Fractional Part of N
00000
0
00001
1/32
00010
2/32
00011
3/32
00100
4/32
00101
5/32
—
—
11101
29/32
11110
30/32
11111
31/32
5
PLL2_P[8]
This is the MSB of the P Divider on PLL2.
Table 17. PLL2_P (0x0Ch)
Bits
Field
Description
7:0
PLL2_P[7:0]
This programs the 8 LSBs of PLL2's P Divider. These LSBs combine with PLL2_P[8] which allows
the P divider to divide by up to 256
PLL2_P
P Divides by
000000000
1
000000001
1
000000010
1.5
000000011
2
000000100
2.5
000000101
3
—
—
111111101
255
111111110
255.5
111111111
256
Analog Mixer Control Registers
This register is used to control the LM49350's Analog Mixer:
Table 18. CLASS_D_OUTPUT (0x10h)
Bits
Field
Description
0
DACR_LS
The right DAC output is added to the loudspeaker output.
1
DACL_LS
The left DAC output is added to the loudspeaker output.
2
MICR_LS
The right MIC input is added to the loudspeaker output. Setting this bit enables MIC BIAS.
3
MICL_LS
The left MIC input is added to the loudspeaker output. Setting this bit enables MIC BIAS.
4
AUXR_LS
The right AUX input is added to the loudspeaker output.
5
AUXL_LS
The left AUX input is added to the loudspeaker output.
Copyright © 2008–2012, Texas Instruments Incorporated
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Product Folder Links: LM49350 LM49350RLEVAL



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