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PDF TEA6422 Data sheet ( Hoja de datos )
| Número de pieza | TEA6422 | |
| Descripción | BUS-CONTROLLED AUDIO MATRIX | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TEA6422
BUS-CONTROLLED AUDIO MATRIX
. 6 STEREO INPUTS
. 3 STEREO OUPUTS
. GAIN CONTROL 0dB/MUTE FOR EACH OUT-
PUT
. CASCADABLE (2 DIFFERENT ADDRESSES)
. SERIAL BUS CONTROLLED
. VERY LOW NOISE
. VERY LOW DISTORSION
. FULLY ESD PROTECTED
SHRINK 24
(Plastic Package)
ORDER CODE : TEA6422
DESCRIPTION
The TEA6422 switches 6 stereo audio inputs on
3 stereo outputs.
All the switching possibilities are changed through
the I2C BUS.
PIN CONNECTIONS
SDIP24
GND
CAPACITANCE
VS
L1
L2
L3
L4
L5
L6
LOU T1
ROUT1
LOU T2
1
2
3
4
5
6
7
8
9
10
11
12
24 SDA
23 SCL
22 ADDR
21 R1
20 R2
19 R3
18 R4
17 R5
16 R6
15 ROUT3
14 LOUT3
13 ROUT2
May 1996
SO28
(Plastic Micropackage)
ORDER CODE : TEA6422D
SO28
GND
CAPACITANCE
VS
L1
L2
L3
NC
NC
L4
L5
L6
LOUT1
ROUT1
LOUT2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 SDA
27 SCL
26 ADDR
25 R1
24 R2
23 R3
22 NC
21 NC
20 R4
19 R5
18 R6
17 ROUT3
16 LOUT3
15 ROUT2
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1 page  
TEA6422
POWER ON RESET
After power-on reset all outputs are in mute mode
Symbol
Reset
Parameter
Start of Reset
End of Reset
Conditions
Incr. VCC
Decr. VCC
Incr. VCC
Min.
4.5
Typ.
Max.
2.5
4.2
Unit
V
V
V
SOFTWARE SPECIFICATION
1. Chip address
1001 1000
1001 1010
Address
2. Data bytes
Output select
X 0 0 X X I2
01
10
Input select
X Q1 Q0 X X 0
0
0
0
1
1
1
X = don’t care - MSB is transmitted first
Example : 0 10 XX 100 connects outputs 3 with input 5.
HEX
98
9A
I1 I0 Output 1
Output 2
Output 3
0 0 Input 1
0 1 Input 2
1 0 Input 3
1 1 Input 4
0 0 Input 5
0 1 Input 6
1 0 Mute
ADDR
0
1
5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TEA6422.PDF ] | |
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