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PDF LA79500E Data sheet ( Hoja de datos )
| Número de pieza | LA79500E | |
| Descripción | 3-output Switch | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : ENA0259
LA79500E
Monolithic Linear IC
For TV
6-input, 3-output Switch
Overview
This LA79500E is a 6-input, 3-output switch for TV.
Functions
• Composite 6 inputs with 3 outputs
• Component 2 inputs with 2 outputs
• Audio 8 inputs with 3 outputs (L/R)
• Serial control with I2C bus
• General purpose I/O
• Acceptance from Y/C comb filter output
• S1, S2 protocol interface
• Y/C MIX circuit
• All video and audio output Gains are selectable by a single bit as 0 or 6dB.
• Sync-tip clamps include a simple signal detector readable over I2C bus.
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
Allowable current electric power
VCC max
Pd max
* Mounted on a board.
Operating temperature
Topr
Storage temperature
Tstg
* Mounted on a board : 114.3×76.1×1.6mm3, glass epoxy resin.
Operating Conditions at Ta = 25°C
Parameter
Symbol
Recommending supply voltage
Operating supply voltage
VCC
VCC op
Conditions
Ratings
13
1600
-25 to +75
-55 to +150
Unit
V
mW
°C
°C
Ratings
12
11.4 to 12.7
Unit
V
V
■ Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft’s control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
■ SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
N1106 MS PC B8-6323 No.A0259-1/16
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Pin Description
Pin No.
Symbol
71 TV1
75 TV2
78 CV1
6 CV2
14 CV3
34 CV4
LA79500E
Pin Voltage (V)
2.5
Description
Video signal inputs.
Input composite video signals.
80 Y1
8 Y2
16 Y3
36 Y4
21 Y5
28 Y6
2.5 Y/C separation signal inputs.
Input luminance signals.
2 C1
10 C2
18 C3
38 C4
2.8 Y/C separation signal inputs.
Input chrominance signals.
70, 72
74, 76
79, 1
7, 9
15, 17
35, 37
22, 24
29, 31
TV1L, TV1R
TV2L, TV2R
V1L, V1R
V2L, V2R
V3L, V3R
V4L, V4R
CP5L, CP5R
CP6L, CP6R
25 PR5
23 PB5
32 PR6
30 PB6
5.8 Audio signal inputs.
2.5 Component PB/PR inputs.
64 VOUT1
56 VOUT2
46 VOUT3
2.5 Video signal outputs.
Output composite video signals.
Equivalent circuit
Continued on next page.
No.A0259-5/16
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
LA79500E
Data format (Read mode)
S
Slave address
A
DATA1
A
DATA2
A
DATA3
A
DATA4
A
DATA5
AP
(8bit)
Ï
(8bit)
Ï
(8bit)
(8bit)
(8bit)
(8bit)
Ï
Start condition Acknowledge
Stop condition
Read mode
DATA1
DATA2
DATA3
MSB
D8
TV1
0 : No sig.
1 : Signal
YCOMB
0 : No sig.
1 : Signal
GPI1
0 : Low
1 : High
D7
TV2
0 : No sig.
1 : Signal
Y1
0 : No sig.
1 : Signal
GPI2
0 : Low
1 : High
D6
CV1
0 : No sig.
1 : Signal
Y2
0 : No sig.
1 : Signal
GPI3
0 : Low
1 : High
Data byte
D5
CV2
0 : No sig.
1 : Signal
Y3
0 : No sig.
1 : Signal
GPI4
0 : Low
1 : High
D4
CV3
0 : No sig.
1 : Signal
Y4
0 : No sig.
1 : Signal
GPI5
0 : Low
1 : High
D3
CV4
0 : No sig.
1 : Signal
Y5
0 : No sig.
1 : Signal
GPI6
0 : Low
1 : High
* : indicates undefined
LSB
D2 D1
**
Y6
0 : No sig.
1 : Signal
*
DC_IN
00 : 1.3V or less
01 : 1.3V or more to
2.5V or less
10 : 2.5V or more
DATA4
DATA5
S-1 SEL
1 : Low
S-2 SEL
1 : Low
0 : High
0 : High
S2-1
00 : 4:3 video sig.
01 : 4:3 Letter-box
10 : 16:9
11 : No sig.
S-3 SEL
1 : Low
S-4 SEL
1 : Low
0 : High
0 : High
S2-2
00 : 4:3 video sig.
01 : 4:3 Letter-box
10 : 16:9
11 : No sig.
**
S2-3
00 : 4:3 video sig.
01 : 4:3 Letter-box
10 : 16:9
11 : No sig.
**
S2-4
00 : 4:3 video sig.
01 : 4:3 Letter-box
10 : 16:9
11 : No sig.
S-1 SEL to S-4 SEL
1 : S-1 to S-4 pins are grounded.
0 : S-1 to S-4 pins are not grounded.
S2-1 to S2-4
S2-1 to S2-4 are actually determined by comparing the S2-1 to S2-4 pin DC voltages with two threshold.
However, when the S-1 to S-4 pins are OPEN(HIGH) the outputs are fixed to “11”.
S2-1 to S2-4 : DATA bit
1.3V or less : 00
1.3V or more to 2.5V or less : 01
2.5V or more : 10
S-1 to S-4 OPEN (HIGH) : 11
No.A0259-11/16
Datasheet pdf - http://www.DataSheet4U.net/
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