LM49370RL/NOPB National Semiconductor, LM49370RL/NOPB Datasheet - Page 54
![IC AUDIO SUBSYSTEM 1.2W 49USMDXT](/photos/7/0/70002/pkg_rla_sml.jpg)
LM49370RL/NOPB
Manufacturer Part Number
LM49370RL/NOPB
Description
IC AUDIO SUBSYSTEM 1.2W 49USMDXT
Manufacturer
National Semiconductor
Series
Boomer®, PowerWise®r
Type
Class Dr
Datasheet
1.LM49370RLNOPB.pdf
(100 pages)
Specifications of LM49370RL/NOPB
Output Type
1-Channel (Mono) with Mono and Stereo Headphones
Max Output Power X Channels @ Load
1.2W x 1 @ 8 Ohm; 52mW x 2 @ 16 Ohm
Voltage - Supply
2.5 V ~ 5.5 V
Features
3D, Depop, I²C, I²S, Microphone, Mute, PCM, Shutdown, SPI, Standby, Volume Control
Mounting Type
Surface Mount
Package / Case
49-MicroSMDxt
Dc
07+
For Use With
LM49370RLEVAL - BOARD EVALUATION LM49370RL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM49370RLTR
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www.national.com
12.37 SRC CONFIGURATION REGISTER
This register is used to control the configuration of the Digital Routing interfaces. (Note 33)
Note 33: Please refer to the Application Note AN-1591 for the detailed discussion on how to use the I
Bits
2:1
4:3
7:6
0
5
MONO_SUM_MODE
MONO_SUM_SEL
DAC_INPUT_SEL
PCM_TX_SEL
I2S_TX_SEL
Field
This controls the data sent to the PCM transmitter.
This controls the data sent to the I
This controls the data sent to the DAC.
DAC_INPUT_SEL
This controls the data sent to the Stereo to Mono Converter
This controls the operation of the Stereo to Mono Converter.
MONO_SUM_ MODE
TABLE 37. Bridges (0x1Eh)
MONO_SUM_SEL
PCM_TX_SEL
I2S_TX_SEL
00
01
10
11
00
01
10
11
00
01
10
11
0
1
0
1
2
2
2
2
2
2
2
2
2
2
2
2
54
2
S transmitter.
Description
2
S to PCM Bridge.
DAC Interpolator (oversampled)
PCM Receiver (Dual Mono)
DAC Interpolated Output
I2S Receiver (In stereo)
I2S Receiver Output
MONO SUM Circuit
(Left + Right)/2
(Left + Right)/2
PCM Receiver
Operation
Disabled
Disabled
Source
Source
Source
Source
Right
ADC
ADC
ADC
Left
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