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PDF TA1343N Data sheet ( Hoja de datos )
| Número de pieza | TA1343N | |
| Descripción | TV SOUND PROCESSOR | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TOSHIBA Bipolar Linear IC Silicon Monolithic
TA1343N
TV Sound Processor
TA1343N is a sound processor controlled by I2C bus. It
incorporates the following: 2-channel input, 3-channel output
signal processing circuit, phase shift circuit for surround, and
LPF for woofer channel.
ALS (Automatic Level Suppresser) circuit which prevents
distort the signal in large signal condition for woofer channel is
also incorporated
Features
· Sound processing circuit
· 2 ch inputs (Lch, Rch)
· 3 ch outputs (Lch, Rch, Wch)
· Input matrix switch
· Volume control
· Bass, treble, and balance adjustment
· Woofer level and surround effect level adjustment
· ALS (automatic level suppresser) circuit
· Built-in LPF for bass boost
· Surround circuit
· Phase shift surround system
· 2 modes stereo surround
· Pseudo stereo mode
Weight: 1.22 g (typ.)
TA1343N
1 2002-02-12
1 page  
Pin
No.
Name
Function
TA1343N
Interface Circuit
20
Smoothing filter for volume control.
21
Volume Filter
Connect a capacitor (0.01 mF) between
21
this terminal and GND.
I2C Bus
Control
7
20
Smoothing filter for bass boost level
control.
22
Woofer Filter
Connect a capacitor (3.3 mF) between this 22
terminal and GND.
This filter is also for ALS circuit.
7
I2C Bus
Control
20
23
SCL
SCL terminal.
23
7
20
24
SDA
SDA terminal.
24
7
5 2002-02-12
5 Page 
AC Characteristics (VCC = 9 V, Ta = 25°C)
Characteristics
Symbol
Test
Circuit
Test Condition
Go L
¾
Go R
¾
Gain
GoAtt L
GoAtt R
GoBst L
GoBst R
Go W
¾
¾ (Note 1)
¾
¾
¾
THD L
¾
THD
THD R
¾ (Note 2)
THD W
¾
SN L
¾
S/N
SN R
¾ (Note 3)
SN W
¾
Residual noise
Frequency response (100 Hz)
vNO L
vNO R
vNO W
Go100 L
Go100 R
¾
¾ (Note 4)
¾
¾
(Note 5)
¾
Go10k L
¾
Frequency response (10 kHz)
Go10k R
¾ (Note 6)
Go10k S
¾
LPF frequency response
Surround sound gain
GLPF100
GLPF125
GLPF170
GLPF210
GS
¾
¾
(Note 7)
¾
¾
¾ (Note 8)
Surround sound phase
Ph 4 f
¾ (Note 9)
Balance center
Balance minimum
Bass maximum
Bass minimum
Treble maximum
Treble minimum
Volume center
DGLR
GBLMIN L
GBLMIN R
GBSMAX L
GBSMAX R
GBSMIN L
GBSMIN R
GTRMAX L
GTRMAX R
GTRMIN L
GTRMIN R
GVLCNT L
GVLCNT R
GVLCNT W
¾ (Note 10)
¾
(Note 11)
¾
¾
(Note 12)
¾
¾
(Note 13)
¾
¾
(Note 14)
¾
¾
(Note 15)
¾
¾
¾ (Note 16)
¾
TA1343N
Min Typ. Max Unit
0.0 2.0 4.0
-7.0 -5.0 -3.0
dB
11.0 13.0 15.0
16.0 19.0 22.0
0.03
¾ 1.0
0.25
%
70 74
¾ dB
68 72
¾ 20 50 µVrms
-2.0 0.0 2.0 dB
-2.0 0.0 2.0
-13.0
4.0
5.5
4.0
1.0
1.5
-65
-2.0
-11.0
6.0
7.5
6.0
8.0
3.5
-110
0.0
-8.0
8.0
9.5
8.0
15.0
5.5
-65
2.0
dB
dB
dB
deg.
dB
¾ -70 -60 dB
9 12 14 dB
-14 -12 -9
dB
9 12 14 dB
-14 -12 -9
dB
-17 -15 -12 dB
11 2002-02-12
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet TA1343N.PDF ] | |
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