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TEA6422D

P1-P3P4-P6P7-P9P10-P10
September 2003 1/10
TEA6422
BUS-CONTROLLED AUDIO MATRIX
■ 6 Stereo Inputs
■ 3 Stereo Ouputs
■ Gain Control 0 dB/Mute for each Output
■ Cascadable (2 different addresses)
■ Serial Bus Controlled
■ Very Low Noise
■ Very Low Distorsion
■ Fully ESD Protected
■ Wide Audio Dynamic Range ( 3 V
RMS
)
DESCRIPTION
The TEA6422 switches 6 stereo audio inputs on 3
stereo outputs.
All the switching possibilities are changed through
the I
2
C BUS.
Figure 1. PIN CONNECTIONS
SHRINK DIP24
(Shrink Plastic Package)
ORDER CODE: TEA6422
SO28
(Plastic Monopackage)
ORDER CODE: TEA6422D
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
24
23
22
21
11
12
GND
CAPACITANCE
L1
L2
L3
L4
L5
LOUT1
ROUT1
SDA
SCL
ADDR
R1
R2
R3
R4
R5
V
S
L6
LOUT2
R6
ROUT3
LOUT3
ROUT2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
24
23
22
21
11
12
25
13
14
28
27
26
SDA
SCL
ADDR
R1
R2
R3
NC
NC
R4
R5
R6
ROUT3
LOUT3
ROUT2LOUT2
ROUT1
LOUT1
L6
L5
L4
NC
NC
L3
L2
L1
GND
CAPACITANCE
V
S
SDIP24
SO28
1
TEA6422
2/10
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
RIGHT INPUTS
GAIN = 0 dB
RIGHT
OUTPUTS
SDA
SCL
ADDR
LEFT
OUTPUTS
LEFT INPUTS
BUS DECODER
SUPPLY
GAIN = 0 dB
V
S
C
GND
Symbol Parameter Value Unit
V
CC
Supply Voltage 12 V
T
oper
Operating Temperature 0, + 70
o
C
T
stg
Storage Temperature - 20, + 150
o
C
Symbol Parameter Value Unit
R
th
(j-a) Junction - ambient Thermal Resistance
SDIP24
SO28
75
75
o
C/W
o
C/W
1
TEA6422
3/10
ELECTRICAL CHARACTERISTICS
T
A
= 25
o
C, V
S
= 9 V, R
L
= 10 k
Ω
, R
G
= 600
Ω
, f = 1 kHz (unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
SUPPLY
V
S
Supply Voltage 8 10 11 V
I
S
Supply Current 3 8 mA
SVR Ripple Rejection V
IN
= 500mV
RMS
, f = 1kHz 70 80 dB
MATRIX
V
IN
Input DC Level V
CC
/2 V
R
I
Input Resistance 30 50 100 k
Ω
C
S
Channel Separation V
IN
= 2V
RMS
, f = 1kHz 80 90 dB
OUTPUT BUFFER
V
OUT
Output DC Level V
CC
/2 V
R
OUT
Output Resistance 50 100
Ω
e
NI
Input Noise BW = 20 - 20kHz, flat 3 µV
S/N Signal to Noise Ratio V
IN
= V
OUT
= 1V
RMS
110 dB
G Gain -1 0 + 1 dB
d Distortion V
IN
= V
OUT
= 1V
RMS
0.01 0.05 %
V
CL
Clipping Level d = 0.3 %, V
S
= 10 V 2.8 3 V
RMS
R
L
Output Load Resistance 2 k
Ω
1
P1-P3P4-P6P7-P9P10-P10

TEA6422D

Mfr. #:
Buy TEA6422D
Manufacturer:
STMicroelectronics
Description:
Multimedia ICs Video ICs Audio Matrix Switch
Lifecycle:
New from this manufacturer.
Delivery:
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