LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 53
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
7:6
1:0
3:2
1:0
3:2
4
5
4
5
INTERP_R_LVL
R_SEL
MONO
R_SEL
MONO
L_SEL
SWAP
L_SEL
SWAP
Field
Field
Field
This programs the input level of the data arriving from the right DAC's interpolator output.
This selects which input is fed to the Left TX Channel of Audio Port 1.
This selects which input is fed to the Right TX Channel of Audio Port 1.
If set, this swaps the Left and Right outputs to Audio Port 1.
If set, the right channel is ignored and the left channel becomes (left+right)/2.
This selects which input is fed to Audio Port 2's Left TX Channel.
This selects which input is fed to Audio Port 2's Right TX Channel.
If set, this swaps the Left and Right outputs to audio port 2.
If set, the right channel is ignored and the left channel becomes (left+right)/2.
TABLE 35. Audio Port 1 Input (0x42h)
TABLE 36. Audio Port 2 Input (0x43h)
INTERP_R_LVL
R_SEL
R_SEL
L_SEL
L_SEL
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
53
Description
Description
Description
DAC_INTERP_R
DAC_INTERP_R
DAC_INTERP_L
DAC_INTERP_L
PORT2_RX_R
PORT1_RX_R
Selected Input
PORT2_RX_L
Selected Input
Selected Input
PORT1_RX_L
Selected Input
ADC_R
ADC_R
ADC_L
ADC_L
–12dB
–18dB
Level
–6dB
None
None
None
None
0dB
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