LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 39
LM49350RL/NOPB
Manufacturer Part Number
LM49350RL/NOPB
Description
IC AUDIO SUBSYSTM 2W D 36USMDXT
Manufacturer
National Semiconductor
Series
Boomer®r
Type
Class Dr
Datasheet
1.LM49350RLNOPB.pdf
(104 pages)
Specifications of LM49350RL/NOPB
Output Type
1-Channel (Mono) with Mono and Stereo Headphones
Max Output Power X Channels @ Load
2W x 1 @ 4 Ohm; 69mW x 2 @ 32 Ohm
Voltage - Supply
2.7 V ~ 5.5 V
Features
3D, DAC, Depop, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
Mounting Type
Surface Mount
Package / Case
36-MicroSMDxt
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM49350RLTR
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Bits
Bits
Bits
4:0
7:0
7:0
5
6
PLL1_N_MOD
PLL1_P1[7:0]
PLL1_P2[7:0]
PLL1_P1[8]
PLL1_P2[8]
Field
Field
Field
This programs the sigma-delta modulator in PLL1
This sets the MSB of the 1st P Divider on PLL1 which is part of a standard half-cycle divider
control.
This sets the MSB of the 2nd P Divider on PLL1 which is part of a standard half-cycle divider
control.
This programs the 8 LSBs of the PLL1's P1 Divider. These LSBs combine with PLL1_P1[8] which
allows the P1 divider to divide by up to 256
This programs 8 LSBs of PLL1's P2 Divider. These LSBs combine with PLL1_P2[8] which allows
the P2 divider to divide by up to 256
TABLE 11. PLL1_N_MOD (0x06h)
TABLE 12. PLL1_P1 (0x07h)
TABLE 13. PLL1_P2 (0x08h)
PLL1_N_MOD
000000000
000000001
000000010
000000011
000000100
000000101
111111101
111111110
111111111
000000000
000000001
000000010
000000011
000000100
000000101
111111101
111111110
111111111
PLL1_P1
PLL1_P2
00000
00001
00010
00011
00100
00101
11101
11110
11111
—
—
—
39
Description
Description
Description
Fractional Part of N
P1 Divider Value
P2 Divider Value
20/32
30/32
31/32
255.5
255.5
1/32
2/32
3/32
4/32
5/32
255
256
255
256
1.5
2.5
1.5
2.5
—
—
—
0
1
1
2
3
1
1
2
3
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