LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 45
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
3:0
3:0
4
5
4
5
MIC_R_LEVEL
MIC_L_LEVEL
SE_DIFF
SE_DIFF
MUTE
MUTE
Field
Field
This sets the gain of the left microphone preamp.
If set, the MIC_L negative input is ignored.
If set, the left microphone preamp is muted.
This sets the gain of the right microphone preamp.
If set, the MIC_R negative input is ignored.
If set, the right microphone preamp is muted.
TABLE 25. MIC_R_INPUT (0x17h)
TABLE 24. MIC_L_INPUT (0x16h)
MIC_R_LEVEL
MIC_L_LEVEL
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
45
Description
Description
10dB
12dB
14dB
16dB
18dB
20dB
22dB
24dB
26dB
28dB
30dB
32dB
34dB
36dB
10dB
12dB
14dB
16dB
18dB
20dB
22dB
24dB
26dB
28dB
30dB
32dB
34dB
36dB
Gain
Gain
6dB
8dB
6dB
8dB
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