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Satellite + Subwoofer 3-Speaker System Electronics Crossover IC
PT2353
APPLICATION CIRCUIT
VDD 9V
3D LED
3D
VDD 9V
1
2
/3D
VSS
LOUT
LIN
LT
CL1
CL2
3D_LED
VDD
ROUT
RIN
RT
CR1
CR2
28
27
26
10uF
100uF
L OUT
100K
10uF
VDD 9V
10uF
L IN
100K
R OUT
100K
3
4
5
8n2
u33
2K2
220
C
25
24
2K2
8n2
u33
REF
C
VDD 9V
**
1K
**
BAV99
**
1K
**
BAV99
10uF
R IN
100K
6
7
C
23
220
REF
22
21
20
19
18
17
16
15
C
8
/SUP
CL3
PT2353
CR3
/SUP
/SDW
/MUP
/MDW
OSC
/PK
C2
REF
C1N
C1P
SOUT
PO
9
10
11
12
13
14
/SDW
REF
100uF
C2
/MUP
/MDW
C1
10uF
S OUT
100K
33K
2u2
Power Key
*
Notes:
Please refer to the PT2353 Crossover Frequency Response Curve for the values of C, C1, and C2.
Please refer to Power Control (PO) Section of this document.
** For input port high voltage pulse protection.
PT2353 V1.2
- 12 -
March, 2006
PTC [ PRINCETON TECHNOLOGY CORP ]
