LM49350RL/NOPB National Semiconductor, LM49350RL/NOPB Datasheet - Page 78
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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26.0 DAC Effects Registers
Bits
2:0
3
4
SAMPLE_ RATE This programs the timers on the ALC
STEREO LINK
TABLE 66. DAC_ALC_1 (0xA0h)
LIMITER
Field
78
with the closest DAC sample rate.
If set, the circuit will never apply gain to
the signal, no matter how small, but it
will attenuate the signal as soon as it
reaches target and release it at the
decay rate, once signal level reduces
below target. The I
the time the LIMITER is enabled) is the
maximum gain that the ALC will apply.
Care should be taken when choosing
the optimum I
enabling the Limiter.
If set, the ALC circuit uses the stereo
average of the input signals to control
the gain of the stereo output. This
maintains stereo imaging. If this bit is
cleared, then both channels operate as
dual mono.
SAMPLE_ RATE
000
001
010
011
100
101
110
111
Description
2
C gain setting whenever
2
C gain setting (at
DAC Fs
192kHz
12kHz
16kHz
24kHz
32kHz
48kHz
96kHz
8kHz
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