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LM49150TLEVAL датащи(PDF) 17 Page - Texas Instruments

номер детали LM49150TLEVAL
подробное описание детали  LM49150 Mono Class D Audio Subsystem with Earpiece Driver and Stereo Ground Referenced Headphone Amplifiers
PDF  30 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

LM49150TLEVAL датащи(HTML) 17 Page - Texas Instruments

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START
MSB
DEVICE ADDRESS
LSB
ACK
SCL
SDA
STOP
MSB
REGISTER DATA
LSB
ACK
R/W
SDA
SCL
S
P
START condition
STO
P condition
LM49150, LM49150TLEVAL
www.ti.com
SNAS439C – AUGUST 2008 – REVISED MAY 2013
Figure 38. Start and Stop Diagram
Figure 39. Start and Stop Diagram
Table 1. Chip Address
B7
B6
B5
B4
B3
B2
B1
B0 (R/W)
Chip Address
1
1
1
1
1
0
0
0
Table 2. Control Registers
B7
B6
B5
B4
B3
B2
B1
B0
Shutdown Control
0
0
Spread
GAMP_SD
0
I2CVDD_SD
Turn_On _Time
PWR_On
Spectrum
Output Mode Control
0
1
EP Bypass
HPR_SD
MC3
MC2
MC1
MC0
(HP L&R)
(HP Mono)
(LS L&R)
(LS Mono)
Output Gain Control
1
0
0
INPUT_MUTE
LS_GAIN
HP_GAIN2
HP_GAIN1
HP_GAIN0
Mono Input Volume
1
0
1
MG4
MG3
MG2
MG1
MG0
Control
Left Input Volume
1
1
0
LG4
LG3
LG2
LG1
LG0
Control
Right Input Volume
1
1
1
RG4
RG3
RG2
RG1
RG0
Control
Table 3. Shutdown Control Register
Bit
Name
Value
Description
0
Spread Spectrum Disabled
B5
Spread Spectrum
1
Spread Spectrum Enabled
0
Normal Operation
B4
GAMP_SD
Disables the gain amplifiers that are not in use, to minimize IDD.
1
Recommended for Output Modes 1, 2, 4, 5, 8, 10
B3
0
I2CVDD acts as an active low RESET input. If I
2CV
DD drops below 1.1V,
0
the device resets and the I2C registers are restored to their default
B2
I2CVDD_SD
state.
1
Normal Operation. I2CVDD voltage does not reset the device.
0
Normal Turn-On Time (27ms)
B1
Turn_On_Time
1
Fast Turn-On Time (15ms)
0
Device Disabled
B0
PWR_On
1
Device Enabled
Copyright © 2008–2013, Texas Instruments Incorporated
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Product Folder Links: LM49150 LM49150TLEVAL



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