SGS Thomson Microelectronics TEA6420 Datasheet
BUS-CONTROLLED AUDIO MATRIX
.
5 STEREOINPUTS
.
4 STEREOOUPUTS
.
GAIN CONTROL 0/2/4/6dB/MUTEFOR EACH
OUTPUT
.
CASCADABLE(2differentaddresses)
.
SERIALBUS CONTROLLED
.
VERYLOWNOISE
.
VERYLOWDISTORSION
DESCRIPTION
The TEA6420 switches 5 stereo audio inputs on
4 stereo outputs.
All theswitchingpossibilities are changed through
2
C bus.
the I
TEA6420
SHRINK24
(Plastic Package)
ORDER CODE : TEA6420
SO28
(Plastic Micropackage)
ORDER CODE : TEA6420D
PINCONNECTIONS
GND
CAPACITANCE
V
S
L1
L2
L3
L4
L5
LOUT1
ROUT1
LOUT2
ROUT2
May 1996
SHRINK24
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
SDA
SCL
ADDR
R1
R2
R3
R4
R5
ROUT4
LOUT4
ROUT3
LOUT3
GND
CAPACITANCE
V
NC
NC
LOUT1
ROUT1
LOUT2
ROUT2
L1
L2
L3
L4
L5
SO28
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SDA
SCL
ADDR
R1
R2
R3
NC
NC
R4
R5
ROUT4
LOUT4
ROUT3
LOUT3
6420-01.EPS / 6420-02.EPS
1/6
1
2
3
S
4
5
6
7
8
9
10
11
12
13
14
TEA6420
BLOCK DIAGRAM
RIGHT INPUTS
GND
T
E
A
6
4
2
0
V
S
C
SUPPLY BUS DECODER
LEFTINPUTS
GAIN = 0/2/4/6dB
GAIN = 0/2/4/6dB
RIGHT
OUTP UTS
SDA
SCL
ADDR
LEFT
OUTP UTS
ABSOLUTEMAXIMUM RATINGS
Symbol Parameter Value Unit
V
T
T
Supply Voltage 10.2 V
CC
Operating Ambient Temperature 0, + 70
oper
Storage Temperature - 20, + 150
stg
6420-03.EPS
o
C
o
C
6420-01.TBL
THERMALDATA
Symbol Parameter Value Unit
R
th(j-a)
Junction Ambient Thermal Resistance SHRINK24
SO28
75
75
ELECTRICAL CHARACTERISTICS
=25oC, VS= 10V,RL=10kΩ,RG= 600Ω, f = 1kHz (unlessotherwisespecified)
T
A
Symbol Parameter Test Conditions Min. Typ. Max. Unit
SUPPLY
V
SVR Ripple Rejection V
MATRIX
V
R
C
2/6
Supply Voltage 8 9 10.2 V
S
Supply Current 5 8 mA
I
S
= 500mV
IN
Input DC Level 4.5 5 5.5 V
IN
Input Resistance 30 50 100 kΩ
I
Channel Separation VIN=2V
S
f = 1kHz Gain = 6dB
RMS
, BW = 20 - 20kHz 70 80 dB
RMS
Gain = 0dB
80
70
90
82
o
C/W
dB
dB
6420-02.TBL
6420-03.TBL
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