Preliminary
PT2313E
Stereo Audio Processor for Car Audio
DESCRIPTION
FEATURES
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.
•
•
•
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
•
•
•
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.
•
•
Wide operation range (VDD = 4V to 10V)
Improved and replace PT2313L
APPLICATIONS
•
•
•
Car Audio
Home Audio System
Powered Speaker System
APPLICATION CIRCUIT
22uF
1
2
3
4
5
6
7
8
9
REF
SCL 28
SDA 27
MCU
VDD
VDD
AGND
DGND 26
LFOUT 25
RFOUT 24
LROUT 23
RROUT 22
BOUT_R 21
BIN_R 20
BOUT_L 19
BIN_L 18
LOUT 17
TREB_L
TREB_R
RIN
10uF
10uF
10uF
10uF
27n
Front Left
Front Right
Rear Left
27n
Input Surge
Protection
2.2uF
ROUT
L
LOUD_R
RIN3
2.2uF
2.2uF
2.2K
2.2K
AUDIO 3
100n
100n
100n
R
5.6K
100n
100n
100n
2.2uF
10 RIN2
11 RIN1
12 LOUD_L
13 LIN3
14 LIN2
L
2.2uF
2.2uF
2.2K
2.2K
5.6K
AUDIO 2
R
Rear Right
Power
Amplifier
LIN 16
L
2.2uF
2.2uF
2.2K
2.2K
AUDIO 1
LIN1 15
R
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PTC [ PRINCETON TECHNOLOGY CORP ]
