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LM49321 Datasheet(PDF) 36 Page - Texas Instruments

Part # LM49321
Description  Audio Sub-System with Stereo DAC, Mono Class AB Loudspeaker Amplifier, OCL/SE Stereo Headphone Output and RF Suppression
PDF  45 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM49321 Datasheet(HTML) 36 Page - Texas Instruments

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1
2
JP12
1
2
JP14
1
2
JP13
1
2
JP15
VDD_D
VDD_PLL
VDD_PLL
VDD_A
VDD_A
R3
422
150 nF
C18
10 nF
C19
1 uF
C4
1 uF
C9
0.1 uF
C8
S7
S8
S6
S5
R2
C23
S10
P1
Stereo Headphone
Jack
1 uF
C5
0.1 uF
C3
1
2
JP5
1
2
JP2
1
2
JP6
1
2
JP7
2.2 uF
C17
220 uF
C12
220 uF
C13
S4
S2
S3
S1
1
2
JP9
VDD_IO
1 uF
C16
S9
1
2
JP11
S12
S16
VDD_I2C
0.22 uF
C10
0.22 uF
C11
0.22 uF
C14
VDD_I2C
1
2
JP1
1
2
JP3
0.22 uF
C30
HPLOUT
E5
HPCOUT
D6
HPROUT
D5
LSOUTP
F6
LSLOUTM
F4
EPOUTP
F3
EPOUTM
F2
M_IN+
F1
L_IN
E2
R_IN
E3
PLL_IN
C3
PLL_OUT
C2
MCLK
A2
I2S_DATA
B2
I2S_CLK
B3
I2S_WS
A3
GPIO
B4
MODE
D4
SDA/SDI
A4
ADDR/ENBL
C4
VDD_I/O
A6
SCL/SCK
B6
BP
C5
M_IN-
E1
NC
D3
NC
E4
U1
LM49321RL
VDD_D
0.1 uF
C2
1 uF
C1
1
2
JP10
S11
VDD_IO
DGND
Diiferential Mono
Input
L IN
R IN
PLL
FILTER
OUTPUT
1
GND
2
VCC
3
JP20
TOSLINK RECEIVER
R4
75
C20
0.1 uF
0.01 uF
C24
C25
0.01 uF
47k
R6
47k
R5
R7
47k
2
3
1
S28
R9
1.6k
C27
0.33 uF
4.7 nF
C26
VDD_D
0.1 uF
C21
0.1 uF
C22
S26
I2S WS
S24
MCLK
S27
I2S CLK
S23
I2S DATA
R12
5k
5k
R11
BBVDD
USB_SCL
USB_SDA
USB_CS
USB_SPIDO
2
3
1
S25
S20
47 uH
L1
COPY
1
EMPH
3
RXP
4
RXN
5
FILT
8
RST
9
MCLK
10
RERR
11
RCBL
12
PRO
13
CHS
14
NVERR
15
I2S_CLK
16
I2S_WS
17
I2S_DOUT
18
AUDIO
19
H/S
24
U
25
C
26
ORIG
28
U2
CS8415A
R8
47k
R10
5k
S29
RESET SPDIF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
X1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
X2
USB INTERFACE
USB_3.3V
USB_5V
USB_SPIDO
USB_CS
USB_SDA
USB_SCL
S22
1
2
JP16
BB_VDD
BBVDD
VDD_D
S17
S19
USB_3.3V
VDD_A
S18
USB_5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
JP19
DIGITAL INTERFACE
JP21
S/PDIF IN
USB_SPI_M
USB_SPI_M
S21
VDD_A
LM49321, LM49321RLEVAL
SNAS457C – SEPTEMBER 2008 – REVISED MAY 2013
www.ti.com
Demonstration Board Schematic
Figure 42. Complete Board Schematic
36
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: LM49321 LM49321RLEVAL



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