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7 Related Documentation from Texas Instruments
8 Design Documentation
8.1 DRV601EVM Schematic
R12
12
R18
10R
1 2
C17
330pF
21
R19
10R
1 2
C18
330pF
21
Shutdown
J11
Phonosocket
2
3
4
1
J12
Phonosocket
2
3
4
1
GND
GND
GND
GND
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
/SDL
18
PVDD
19
NC
20
PowerPAD
21
GND
C13
21
GND
C14
2 1
C12
1 Fm
2 1
GND
GND
C15
2 1
C16
1 Fm
2 1
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
Gain:=R16/R11=R17/R12=2.0
LowPassfilter:40kHz2ndOrderButterworth
HighPassfilter:R11-C15=R12-C16aprox.10Hz
LineDriver
Input
Output
C19
33pF
21
R13
12
C20
33pF
21
+3.3V
+3.3V
1.8Vto4.5V
Powersupply
C11
2 1
GND
SW1
Switch
1 4 2 3
R14
1 2
J21
Phonosocket
2
3
4
1
R15
47kW
1 2
J22
Phonosocket
2
3
4
1
GND
GND
R16
30kW
1 2
R11
15kW
12
R17
30kW
1 2
J10
Header
1
2
GND
1 Fm
1 Fm
47kW
47kW
15kW
1 Fm
1 Fm
Related Documentation from Texas Instruments
For detailed descriptions of the integrated circuits used in the design of the DRV601EVM, see data sheet
DirectPath™ Stereo Line Driver, Adjustable Gain (SLOS553 ).
This section includes a schematic for the DRV601EVM, the bill of materials, and the PCB design
specifications.
SLOU215 – January 2008 DRV601EVM 19
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