LM49350RLX/NOPB National Semiconductor, LM49350RLX/NOPB Datasheet - Page 52

• Manufacturer Part Number: LM49350RLX/NOPB
• Description: IC AUDIO SUBSYSTM .8W D 36USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM49350RLX/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: LM49350RLX

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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