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PDF TEA6430 Data sheet ( Hoja de datos )
| Número de pieza | TEA6430 | |
| Descripción | AUDIO CELLULAR MATRIX | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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. 5 STEREO INPUTS - 4 STEREO OUTPUTS
. 3-STATE OPERATION FOR EACH OUTPUT
. GAIN OUTPUT CONTROL
0dB/2/4/6dB/MUTE FOR EACH
. VERY LOW NOISE AND DISTORTION
. I2C BUS CONTROL
. 4 SUB-ADDRESS FACILITY
. 90dB CROSSTALK BETWEEN ANY INPUT
AND OUTPUT
TEA6430
AUDIO CELLULAR MATRIX
DESCRIPTION
The TEA6430 switches 5 stereo inputs on 4 stereo
outputs, providing the customer with high quality
sound (low noise, low distortion). The 4 stereo
outputs can be set separately in high impedance
state, to enable parallel connection of several de-
vices (up to 4). All functions are controlled through
the I2C bus.
PIN CONNECTIONS
SHRINK 24
(Plastic Package)
ORDER CODE : TEA6430
GND
REF
VCC
L1 IN
L2 IN
L3 IN
L4 IN
L5 IN
L1 OUT
R1 OUT
L2 OUT
R2 OUT
1
2
3
4
5
6
7
8
9
10
11
12
24 SDA
23 SCL
22 SUB
21 R1 IN
20 R2 IN
19 R3 IN
18 R4 IN
17 R5 IN
16 R4 OUT
15 L4 OUT
14 R3 OUT
13 L3 OUT
May 1996
1/10
1 page  
TEA6430
I2C BUS SELECTION
I2C Bus Slave Address
Address
A6
A5
A4
A3
A2
A1
A0 R/W
Value
1
0
0
1
1 A1 A0 0
Sub-address I2C
Symbol
Parameter
Conditions
Pin 22 Voltage (typ.)
Unit
Vsub
Slave address HEXA
Sub-address (see note)
A1 A0
1
98
00
GND
V
2
9E
11
VCC
V
3 9C 1 0 1/3 VCC
4 9A 0 1 2/3 VCC
Note : The first 3 levels are defined by connecting the sub-address pin to the appropriate level. Sub-address 4 will be selected when
this pin is left open.
Data Byte
Input
Select
Output
Select
Gain
Tri-state
b7 b6 b5 b4 b3 b2 b1 b0
T 01 00 G1 G0 I2 I1 I0
Action
* * * * * 000
* * * * * 001
* * * * * 010
* * * * * 011
* * * * * 100
* * * * * 101
IN1
IN2
IN3
IN4
IN5
Mute
* 00* * * * *
* 01* * * * *
* 10* * * * *
* 11* * * * *
OUT1
OUT2
OUT3
OUT4
* * * 00 * * *
* * * 01 * * *
* * * 10 * * *
* * * 11 * * *
6dB
4dB
2dB
0dB
0 * * * * * * * Low impedance
1 * * * * * * * Tri-state
Example : 00111100 enables L(R)2 out and connect it with a gain of 0dB to L(R)5 in.
Power On Reset
When active : outputs in 3-state. All outputs are disabled and L(R)5 is selected to drive all outputs.
Gain = 0dB.
Symbol
Reset
Start of Reset
End of Reset
Parameter
Conditions
Incr. VCC
Decr. VCC
Incr. VCC
Min.
4.5
Typ.
Max.
2.5
4.2
Unit
V
V
V
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TEA6430.PDF ] | |
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