PT2313E
Stereo Audio Processor for Car Audio
DESCRIPTION
The PT2313E is an audio processor designed for
versatile application, includes 3 stereo input selector
with adjustable gain, master volume control with low
frequency loudness compensation, individual output
attenuator and tone control. It is a good solution for the
car audio signal processing.
Due to the high reliability requirement from the car
audio business, the PT2313E improves both audio
performances and input surge current capability, these
causes the PT2313E is the best solution for the
cost-effective car audio systems.
FEATURES
•
3 stereo inputs with gain selection, range from 0dB
to +11.25dB in 3.75dB/step
•
Master volume from 0 dB to -78.75dB in
1.25dB/step
•
Speaker attenuator for balance and fader, range
from 0dB to -38.75dB in 1.25dB/step
•
Each channel output can be muted individually.
•
Low frequency loudness compensation
•
Bass and Treble control, range from -14dB to
+14dB in 2dB/step
•
Wide operation range (VDD=4V to 10V)
•
Improved and replace PT2313L
APPLICATIONS
•
Car Audio
•
Home Audio System
•
Powered Speaker System
APPLICATION CIRCUIT
PT2313E
22uF
1 REF
SCL 28
SDA 27
DGND 26
LFOUT 25
RFOUT 24
LROUT 23
RROUT 22
BOUT_R 21
BIN_R 20
BOUT_L 19
BIN_L 18
LOUT 17
LIN 16
LIN1 15
10uF
10uF
10uF
10uF
100n
100n
100n
100n
2.2uF
5.6K
Rear Right
Front Right
Front Left
VDD
2
VDD
MCU
3 AGND
4
2.7n
2.7n
5
6
7
TREB_L
TREB_R
RIN
ROUT
Input Surge
P rotection
L
A UDIO 3
R
L
A UDIO 2
R
L
A UDIO 1
R
2.2K
2.2K
2.2K
2.2K
2.2K
2.2K
2.2uF
2.2uF
2.2uF
2.2uF
2.2uF
8 LOUD_R
100n
9
RIN3
5.6K
Rear Left
10 RIN2
11 RIN1
12 LOUD_L
100n
2.2uF
2.2uF
13 LIN3
14 LIN2
P ower
A mplifier
Tel: 886-66296288
‧
Fax: 886-29174598
‧
http://www.princeton.com.tw
‧
2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PTC [ PRINCETON TECHNOLOGY CORP ]
