LM49350RLX/NOPB National Semiconductor, LM49350RLX/NOPB Datasheet - Page 79

• 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

Bits
3:0
4
NOISE_FLOOR
TABLE 67. DAC_ALC_2 (0xA1h)
NG_ENB
Field
79
This sets the anticipated noise floor.
Signals lower than the specified noise
floor will be gated from the ALC to
avoid noise pumping.
This enables the Noise Gate
NOISE_FLOOR
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Description
Noise Floor (dB)
-39
-42
-45
-48
-51
-54
-57
-60
-63
-66
-69
-72
-75
-78
-81
-84
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