LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 52
![IC AUDIO SUBSYSTM 2W D 36USMDXT](/photos/7/0/70002/pkg_rla_sml.jpg)
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
- Current page: 52 of 104
- Download datasheet (4Mb)
www.national.com
Bits
1:0
3:2
5:4
7:6
Bits
This register is used to control the LM49350's digital mixer:
1:0
3:2
5:4
PORT1_RX_R
PORT2_RX_R
PORT1_RX_L
PORT2_RX_L
INTERP_L_LVL
ADC_R_LVL
ADC_L_LVL
Field
_LVL
_LVL
_LVL
_LVL
Field
This programs the input level of the data arriving from the left receive channel of Audio Port 1.
This programs the input level of the data arriving from the right receive channel of Audio Port 1.
This programs the input level of the data arriving from the left receive channel of Audio Port 2.
This programs the input level of the data arriving from the right receive channel of Audio Port 2.
This programs the input level of the data arriving from the left ADC channel.
This programs the input level of the data arriving from the right ADC channel.
This programs the input level of the data arriving from the left DAC's interpolator output.
TABLE 33. Input Levels 1 (0x40h)
TABLE 34. Input Levels 2 (0x41h)
PORT1_RX_R_LVL
PORT2_RX_R_LVL
PORT1_RX_L_LVL
PORT2_RX_L_LVL
INTERP_L_LVL
ADC_R_LVL
ADC_L_LVL
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
52
Description
Description
–12dB
–18dB
–12dB
–18dB
–12dB
–18dB
–12dB
–18dB
–12dB
–18dB
–12dB
–18dB
–12dB
–18dB
Level
–6dB
Level
–6dB
Level
–6dB
Level
–6dB
Level
Level
Level
–6dB
–6dB
–6dB
0dB
0dB
0dB
0dB
0dB
0dB
0dB
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