LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 54
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
1:0
3:2
5:4
0
1
2
3
4
5
6
MXR_CLK_SEL
PORT1_R
PORT2_R
PORT1_L
PORT2_L
ADC_R
ADC_L
R_SEL
L_SEL
SWAP
Field
Field
This selects which input is fed to the left ADC's decimator input.
This selects which input is fed to the right ADC's decimator input.
This selects sets the source of the Digital Mixer Clock. The 'Auto' setting will automatically select the source
with the highest clock frequency. Whenever the DAC interpolator (DAC_OSR_L or DAC_OSR_R) is
selected then MXR_CLK_SEL should be set to '10'.
This adds Audio Port 1's left RX channel to the DAC's left input.
This adds Audio Port 2's left RX channel to the DAC's left input.
This adds the ADC's left output to the DAC's left input
This adds Audio Port 1's right RX channel to the DAC's right input.
This adds Audio Port 2's right RX channel to the DAC's right input.
This adds the ADC's right output to the DAC's right input.
If set, this swaps the Left and Right inputs to the DAC.
TABLE 38. Decimator Input Select (0x45h)
TABLE 37. DAC Input Select (0x44h)
MXR_CLK_SEL
R_SEL
L_SEL
00
01
10
11
00
01
10
11
00
01
10
11
54
Description
Description
DAC_INTERP_R
DAC_INTERP_L
PORT1_RX_R
PORT2_RX_R
Selected Input
PORT1_RX_L
PORT2_RX_L
Selected Input
Selected Input
MCLK
None
None
DAC
ADC
Auto
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