TEA6425(1996) Ver la hoja de datos (PDF) - STMicroelectronics
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TEA6425 Datasheet PDF : 9 Pages
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TEA6425
I2C BUS SELECTION
I2C Bus Slave Address
Address
A6
A5
A4
A3
A2
A1
A0
R/W
Value
1
0
0
1
0
A1
A0
0
Sub-address I2C
Symbol
Parameter
Conditions
Pin 7 Voltage (typ.)
Vsub
Slave address HEXA
Sub-address
(see note)
A1
A0
1
90
0
0
GND
2
96
1
1
VCC
3
94
1
0
1/3
4
92
0
1
2/3
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.
Unit
V
V
VCC
VCC
1st Data Byte
b7
b6
b5
b4
b3
b2
b1
b0
a2
a1
a0
*
*
*
*
I
0
0
0
*
*
*
*
0
Output
Select
0
0
1
*
*
*
*
0
0
1
0
*
*
*
*
0
0
1
1
*
*
*
*
0
1
0
0
*
*
*
*
0
1
0
1
*
*
*
*
0
1
1
0
*
*
*
*
0
1
1
1
*
*
*
*
0
Selected
Output
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
2nd Data Byte
Input
Select
Clamp
Gain
Mixer
Tri-state
b7
b6
b5
b4
b3
b2
a2
a1
a0
*
*
*
0
0
0
*
*
*
0
0
1
*
*
*
0
1
0
*
*
*
0
1
1
*
*
*
1
0
0
*
*
*
1
0
1
*
*
*
*
*
*
0
*
*
*
*
*
1
*
*
*
*
*
*
0
*
*
*
*
*
1
*
*
*
*
*
*
0
*
*
*
*
*
1
*
*
*
*
*
*
*
*
*
*
*
*
Power On Reset
When active : outputs in 3-state, inputs are clamped.
Symbol
Reset Start of Reset
Parameter
End of Reset
Conditions
Incr. VCC
Decr. VCC
Incr. VCC
b1
*
*
*
*
*
*
*
*
*
*
*
*
*
0
1
Min.
4.5
b0
Action
I
1
IN1
1
IN2
1
IN3
1
IN4
1
IN5
1
IN6
1
Free
1
Clamped
1
0.5dB
1
6.5dB
1
Disabled
1
Enabled
1
Low impedance
1
Tri-state
Typ. Max. Unit
2.5
V
4.2
V
V
5/9
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