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PDF PT7313E Data sheet ( Hoja de datos )
| Número de pieza | PT7313E | |
| Descripción | Stereo Audio Processor | |
| Fabricantes | PTC | |
| Logotipo |  |
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 1. Datasheet - Stereo Audio Processor  Hay una vista previa y un enlace de descarga de PT7313E (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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DESCRIPTION
The PT7313E is an audio processor designed for
versatile application, including 3 stereo input selectors
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 PT7313E improves both audio
performance and input surge current capability that
make PT7313E the best solution for the cost-effective
car audio systems.
APPLICATIONS
• Car Audio
• Home Audio System
• Powered Speaker System
PT7313E
Stereo Audio Processor for Car Audio
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)
APPLICATION CIRCUIT
VDD
Input Surge
P rotection
L
AUDIO 3
2.2K
2.2uF
R
2.2K
2.2uF
L
AUDIO 2
2.2K
2.2uF
R
2.2K
2.2uF
L
AUDIO 1
2.2K
2.2uF
R
2.2K
2.2uF
22uF
PPTT2733113E3E
1 REF
SCL 28
2 VDD
SDA 27
MCU
3 AGND
DGND 26
4 TREB_L
2.7n
5 TREB_R
2.7n
6 RIN
2.2uF
7 ROUT
8 LOUD_R
100n
9 RIN3
10 RIN2
11 RIN1
12 LOUD_L
100n
13 LIN3
LFOUT 25
RFOUT 24
LROUT 23
RROUT 22
BOUT_R 21
BIN_R 20
BOUT_L 19
BIN_L 18
LOUT 17
LIN 16
10uF
10uF
10uF
10uF
100n
100n
5.6K
100n
100n
5.6K
2.2uF
14 LIN2
LIN1 15
Front Left
Front Right
Rear Left
Rear Right
P ower
A mplifier
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
Free Datasheet http://www.datasheet4u.com/
1 page  
PT7313E
CONTROL BUS SPECIFICATION
BUS INTERFACE
All functions of the PT7313E are controlled by the I2C interface, the interface is consisting by SDA and SCL pins. Detail
protocol of the I2C bus will discuss on the next section. It should be noted that the bus level pull-up resistors connected to
the PT7313E positive supply voltage may required in some application especially the MCU output high level is no
enough.
DATA VALIDITY
A data on the SDA Line is considered valid and stable only when the SCL Signal is in HIGH State. The HIGH and LOW
State of the SDA Line can only change when the SCL signal is LOW. Please refer to the figure below.
START AND STOP CONDITIONS
A Start Condition is activated when
1) The SCL is set to HIGH and
2) SDA shifts from HIGH to LOW State.
The Stop Condition is activated when
1) SCL is set to HIGH and
2) SDA shifts from LOW to HIGH State. Please refer to the timing diagram below..
BYTE FORMAT
Every byte transmitted to the SDA Line consists of 8 bits. Each byte must be followed by an Acknowledge Bit. The MSB
is first transmitted.
V1.0
5 February 2010
Free Datasheet http://www.datasheet4u.com/
5 Page 
ABSOLUTE MAXIMUM RATINGS
Parameter
Operating supply voltage
Latch up current
ESD grade
Human body model
Machine model
Input voltage
Operating temperature
Storage temperature
Symbol
VDD
Iin
HBM
MM
Vin
Topr
Tstg
Min.
-
-100
-2
-0.2
-0.3
-40
-65
QUICK REFERENCE DATA
Parameter
Supply voltage
Max. input signal handling
Total harmonic distortion (1Vrms,1KHz)
Signal To noise ratio
Channel separation (f=1KHz)
Volume control 1.25dB step
Bass & treble control 2dB step
Balance control 1.25dB step
Input gain 3.75dB step
Mute attenuation
Symbol
VDD
VCL
THD
S/N
Sc
-
-
-
-
-
Min.
4
2.3
-
-
-
-78.75
-14
-37.5
0
-
PT7313E
Max.
10
+100
+2
+0.2
VDD+0.3
+85
+150
Unit
V
mA
KV
KV
V
℃
℃
Typ.
9
2.6
0.03
100
100
-
-
-
-
100
Max.
10
-
0.07
-
-
0
+14
0
11.25
-
Unit
V
Vrms
%
dBV
dB
dB
dB
dB
dB
dB
V1.0
11 February 2010
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet PT7313E.PDF ] | |
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