Datasheet
3.3V
GPIO
Soft mute
SPI DOUT
+
3.3V
3.3V
SPI
GPIO
GPIO
GPIO
Pull up to 3.3V
Chip select for SPI
GPIO
R1
R2
C1
C2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DVDD
DGND
LDOO
XSMT
MISO
LRCK
DIN
BCK
SCK
GPIO6
MS
MODE1
GPIO2
GPIO3
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
VCOM
MOSI
MC
GPIO5
GPIO4
0.1
F
0.1
F
C1 , C 2 = 2.2nF
0.1 F
2.2
F
2.2
F
0.1 F10 F
PCM Audio Source
R1, R2, = 470
3.3V
GPIO
Soft mute
SPI DOUT
+
3.3V
3.3V
SPI
GPIO
GPIO
GPIO
Pull up to 3.3V
Chip select for SPI
GPIO
R1
R2
C1
C2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DVDD
DGND
LDOO
XSMT
MISO
LRCK
DIN
BCK
SCK
GPIO6
MS
MODE1
GPIO2
GPIO3
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
VCOM
MOSI
MC
GPIO5
GPIO4
0.1
F
0.1
F
C1 , C 2 = 2.2nF
0.1 F
2.2
F
2.2
F
0.1 F10 F
PCM Audio Source
R1, R2, = 470
+
10
F
PCM Audio Source
3.3V
2V
rms
/1V
rms
level select
Soft mute
Format select
+
0.1 F
3.3V
3.3V
Gain
Attenuation
I
2
S Master/Slave
Filter select
De-emphasis
R1
R2
C1
C2
R1, R2, = 470
C1 , C 2 = 2.2nF
2.2
F
2.2 F
0.1
F
0.1
F
0.1 F10 F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
DEMP
ATT2
ATT1
ATT0
MAST
DVDD
DGND
LDOO
XSMT
FMT
LRCK
DIN
BCK
SCK
FLT
MODE2
MODE1
GPO
AGNS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Low-level output
PCM Audio Source
1.8V
Soft mute
Format select
+
3.3V
3.3V
Gain
Attenuation
Filter select
Digital audio
data out
R1
R2
C1
C2
C1 , C 2 = 2.2nF
0.1 F
2V
rms
/1V
rms
level select
I
2
S Master/Slave
De-emphasis
R1, R2, = 470
0.1 F10 F
0.1 F
2.2
F
2.2 F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CPVDD
CAPP
CPGND
CAPM
VNEG
OUTL
OUTR
AVDD
AGND
DEMP
ATT2
ATT1
ATT0
MAST
DVDD
DGND
LDOO
XSMT
FMT
LRCK
DIN
BCK
SCK
FLT
MODE2
MODE1
GPO
AGNS
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PCM5141, PCM5142
SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
www.ti.com
APPLICATION INFORMATION
Typical Application Circuits
The PCM514x devices can be operated in a variety of configurations to support a wide range of applications.
Figure 12 through Figure 21 show different combinations of power supplies, control methods, and VCOM/VREF
usage.
Figure 12. Hardwired Control Mode, DVDD=3.3V Figure 13. Hardwired Control Mode, DVDD=1.8V
Figure 14. SPI Control, VREF Mode, DVDD=3.3V Figure 15. SPI Control, VCOM Mode, DVDD=3.3V
16 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: PCM5141 PCM5142