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Электронный компонент: CXA2089Q

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Description
The CXA2089Q/S is a 5-input, 2-output audio/video
switch featuring I
2
C bus compatibility for TVs. This IC
has input pins that are compatible with S2 protocol.
Features
3 inputs that are compatible with S2 protocol
Serial control with I
2
C bus
5 inputs, 2 outputs
The desired inputs can be selected independently
for each of the 2 outputs
Wide band video amplifier (20MHz, 3dB)
Y/C MIX circuit
Slave address can be changed (90H/92H)
Audio muting from external pin
High impedance maintained by I
2
C bus lines (SDA,
SCL) even when power is OFF
Wide audio dynamic range (3Vrms typ.)
Applications
Audio/video switch featuring I
2
C bus compatibility
for TVs
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
Supply voltage
V
CC
12
V
Operating temperature Topr
20 to +75
C
Storage temperature
Tstg
65 to +150
C
Allowable power dissipation
P
D
1500
mW
Operating Conditions
Supply voltage
9 0.5
V
1
CXA2089Q/S
E97431B7Z-PS
S2-Compatible 5-Input 2-Output Audio/Video Switch
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
CXA2089Q
48 pin QFP (Plastic)
CXA2089S
48 pin SDIP (Plastic)
2
CXA2089Q/S
Block Diagram
CXA2089Q
47
VOUT1
YOUT1
TV
V4
V3
V2
V1
Y3
Y2
Y1
C3
C2
C1
YIN1
TRAP1
GND
COUT1
CIN1
VOUT2
YOUT2
COUT2
BIAS
V
CC
6dB
6dB
6dB
6dB
6dB
6dB
BIAS
40
38
37
42
43
44
45
ADR
SDA
SCL
DC OUT
MUTE
Logic
27
28
36
34
33
8
15
1
3
5
10
12
17
19
26
23
32
S-3
S2-1
LTV
LV4
S-2
S-1
S2-3
S2-2
LV3
LV2
LV1
LOUT1
ROUT1
LOUT2
ROUT2
6dB
0dB
6dB
0dB
6dB
6dB
39
41
30
22
2
9
16
6
7
13
14
20
21
46
RTV
RV4
RV3
RV2
RV1
31
29
48
4
11
18
24
35
25
Audio system is attenuated by 6dB for 6k
resistor input, and a total gain is 0dB (LOUT1 and ROUT1 can be changed to 6dB).
3
CXA2089Q/S
CXA2089S
VOUT1
YOUT1
TV
V4
V3
V2
V1
Y3
Y2
Y1
C3
C2
C1
YIN1
TRAP1
GND
COUT1
CIN1
VOUT2
YOUT2
COUT2
BIAS
V
CC
6dB
6dB
6dB
6dB
6dB
6dB
BIAS
ADR
SDA
SCL
DC OUT
MUTE
Logic
S-3
S2-1
LTV
LV4
S-2
S-1
S2-3
S2-2
LV3
LV2
LV1
LOUT1
ROUT1
LOUT2
ROUT2
6dB
0dB
6dB
0dB
6dB
6dB
RTV
RV4
RV3
RV2
RV1
5
7
14
21
29
9
16
23
11
18
25
12
19
26
13
20
27
4
8
15
22
28
6
10
17
24
30
46
42
1
48
3
44
39
37
35
2
43
34
32
33
31
41
40
45
47
36
38
Audio system is attenuated by 6dB for 6k
resistor input, and a total gain is 0dB (LOUT1 and ROUT1 can be changed to 6dB).
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
36 35 34
31
32
33
40
39
38
37
41
42
43
44
45
46
47
48
2
3
4
5
6
7
8
9
10 11 12
1
BIAS
CIN1
LOUT1
VOUT1
ROUT1
TRAP1
YOUT1
GND
COUT1
LTV
TV
RTV
RV4
V4
LV4
S-3
S2-3
C3
RV3
Y3
LV3
V3
S-2
S2-2
Y
I
N
1
M
U
T
E
V
C
C
V
O
U
T
2
R
O
U
T
2
Y
O
U
T
2
L
O
U
T
2
C
O
U
T
2
D
C

O
U
T
S
D
A
S
C
L
A
D
R
V
1
L
V
1
Y
1
R
V
1
C
1
S
2
-
1
S
-
1
V
2
L
V
2
Y
2
R
V
2
C
2
4
CXA2089Q/S
Pin Configuration
CXA2089Q
13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
36 35 34
31
32
33
40 39 38 37
41
42
43
44
45
46
47
48
2
3
4
5
6
7
8
9 10 11 12
1
B
I
A
S
C
I
N
1
L
O
U
T
1
V
O
U
T
1
R
O
U
T
1
T
R
A
P
1
Y
O
U
T
1
G
N
D
C
O
U
T
1
L
T
V
T
V
R
T
V
R
V
4
V
4
L
V
4
S
-
3
S
2
-
3
C
3
R
V
3
Y
3
L
V
3
V
3
S
-
2
S
2
-
2
Y
I
N
1
M
U
T
E
V
C
C
V
O
U
T
2
R
O
U
T
2
Y
O
U
T
2
L
O
U
T
2
C
O
U
T
2
D
C

O
U
T
S
D
A
S
C
L
A
D
R
V
1
L
V
1
Y
1
R
V
1
C
1
S
2
-
1
S
-
1
V
2
L
V
2
Y
2
R
V
2
C
2
CXA2089S
5
CXA2089Q/S
Pin Description
Pin numbers in brackets are for the CXA2089S.
Pin
No.
47 (5)
1 (7)
8 (14)
15 (21)
23 (29)
TV
V1
V2
V3
V4
4.0V
Video signal inputs.
Input composite video signals.
Symbol
Pin
voltage
Equivalent circuit
Description
150
V
CC
3A
47
1
15
23
8
3 (9)
10 (16)
17 (23)
36 (42)
Y1
Y2
Y3
YIN1
4.0V
Y/C separation signal inputs.
Input luminance signals.
The YIN1 pin inputs the signal
obtained by Y/C separating the
VOUT1 pin output.
3
10
17
150
V
CC
3A
36
5 (11)
12 (18)
19 (25)
38 (44)
C1
C2
C3
CIN1
4.5V
Y/C separation signal inputs.
Input chrominance signals.
The CIN1 pin inputs the signal
obtained by Y/C separating the
VOUT1 pin output.
150
V
CC
27k
20k
5
12
19
38
46 (4)
2 (8)
9 (15)
16 (22)
22 (28)
48 (6)
4 (10)
11 (17)
18 (24)
24 (30)
LTV
LV1
LV2
LV3
LV4
RTV
RV1
RV2
RV3
RV4
4.5V
Audio signal inputs.
V
CC
15k
33k
27k
2
4
9
11
16 18
46 48
22 24
40 (46)
33 (39)
VOUT1
VOUT2
3.9V
Video signal outputs.
Output composite video signals.
V
CC
27k
V
CC
23.5k
30k
250
40
33