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8.1 DRV601EVM2 Schematic
J22 Phonosocket
2 3 4 1
R14
47k
1
2
R11
15k
1
2
DAC
R19 10R
1
2
C12
1uF
2 1
J21 Phonosocket
2 3 4 1
J10
Header
1 2
U1
DRV601
C1P
1
PGND
2
C1N
3
NC
4
PVSS
5
NC
6
SVSS
7
NC
8
OUTL
9
SVDD
10
OUTR
11
NC
12
INL
13
/SDR
14
INR
15
NC
16
SGND
17
/SD L
18
PVDD
19
NC
20
PowerPAD
21
C19
33pF
2 1
C15
1uF
2
1
C14
1uF
2 1
R15
47k
1
2
C18
330pF
2 1
J11
Phonosocket
2 3 4 1
C17
330pF
2 1
R12
15k
1
2
SPDIF
C13
1uF
2 1
J12
Phonosocket
2 3 4 1
R17
33k
1 2
R16
33k
1 2
C16
1uF
2
1
C20
33pF
2 1
R18 10R
1
2
GND
GND
GND
GND
GND
GND
GND GND
Digital Input
+3.3V2
Gain:=R16/R11=R17/R12=2.2 LowPassfilter:40kHz2ndOrderButterworth
LRCK
R90
10.0R
1
2
C96
10uF
1 2
VOUTL
+3.3V2
HighPassfilter:R11-C15=R12-C16aprox.10Hz
GND
Q50
PMBT2222
1
3 2
D50
Red
Layoutnote:
Donotgroundthepowerpad-keepitfloating
PlaceC12-C13-C14closetoU10
PlaceR14-C19closetopin15
PlaceR15-C20closetopin13
R55
1.0k
1
2
R54
10k
1 2
TORX
SW90
Switch
1
3
6
4
5
2
AMP ON/OFF
DA
TA
R56 220R
1
2
+3.3V
Power
GND
+3.3V
GND
LineDriver
Q95
PMBT 2222
1
3 2
GND
C95
1nF
2 1
GND
U95
TPS3825-33
RESET
1
GND
2
RESET
3
MR
4
VDD
5
GND
BCK
R58
4.7R
1 2
R96
10k
1
2
/POR
/POR
U90
TLV1117-33C
IN
3
OUT
2
GND
1
OUT
4
D95
Green
R95
220R
1 2
C91
100nF
2 1
C92
100nF
2 1
C93
10uF
1 2
C90
10uF
1 2
GND
AnalogInput
Unlock
+3.3V
Output
DAC-PD
+3.3V
/POR
C52
68nF
2
1
C53
4.7nF
2
1
GND
+3.3V
C54
10uF
1 2
R52
4.7R
1
2
R51
680R
1
2
C50
10uF
1 2
RIGHT
R53
4.7R
1 2
C51
100nF
2 1
R50
4.7R
1 2
U50 DIR9001
AUDIO
1
FSOUT0
2
FSOUT1
3
SCKO
4
VDD
5
DGND
6
XTO
7
XTI
8
CLKST
9
LRCKO
10
BCKO
1
1
DOUT
12
PSCK0
13
PSCK1
14
CKSEL
28
ERROR
27
FMT1
26
FMT0
25
VCC
24
AGND
23
FILT
22
RST
21
RXIN
20
RSV
19
BFRAME
18
EMPH
17
UOUT
16
COUT
15
C55
100nF
2 1
GND
GND
MCLK
LEFT
+3.3V
RIGHT LEFT
PowerSupply
+3.3V
+5V
DATA
+3.3V
BCK
VOUTR
C62
47uF
1 2
GND
GND
DAC-PD
U60 PCM1773
LRCK
1
DATA
2
BCK
3
PD
4
AGND1
5
AGND2
6
VCOM
7
VOUTR
8
VOUTL
9
AIN
10
VCC2
11
VCC1
12
DEMP
13
AMIX
14
SCKI
16
FMT
15
MCLK
C60
10uF
1 2
C61
100nF
2 1
R60
4.7R
1 2
GND
GND
LRCK
VOUTL
VOUTR
GND
C59
100nF
2 1
C58
10uF
1 2
GND
+3.3V
J13
Shunt Heade r
1
2
3
J14
Shunt Heade r
1
2
3
J50
Toslink Optical Receiver
OUT
1
GND
2
VCC
3
NC
4
NC
5
GND
Design Documentation
DRV601EVM2 20 SLOU217 – March 2008
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