Ordering number : ENA0895
LA79503V
Overview
Monolithic Linear IC
2-input, 1-output Video Switch
The LA79503V is a 2-input, 1-output video driver IC that allows switching of Y/Pb/Pr component video signals and
composite signals. The IC supports a variety of formats for output, including DVD players.
Features
•
2 component signal inputs with 1 output
•
2 composite signal, Y & C signal inputs with 1 output
•
Pedestal clamp for component signal
•
Sync tip clamp for Y & CVBS signal
•
6dB AMP, 75Ω line driver incorporated
•
CVBS output has twice the driver capacity
•
Frequency characteristic: 14MHz (-1dB)
•
Adaptable to progressive signals
•
Cross-talk: -70dB
Specifications
Maximum Ratings
at Ta=25°C
Parameter
Maximum power supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
Topr
Tstg
Ta≤75°C *
Conditions
Ratings
7.0
540
-25 to +75
-55 to +150
Unit
V
mW
°C
°C
* Mounted on a board, 114.3mm
×
76.1mm
×
1.6mm, glass epoxy resin
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
s products or
equipment.
82907 TI IM B8-6521 No.A0895-1/6
LA79503V
Operating Conditions
at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCCop
Conditions
Ratings
5
4.75 to 5.25
Unit
V
V
Electrical Characteristics
at Ta=25°C, VCC=5V
Parameter
Curent consumption
Frequency characteristic
Maximum input level, Y input
Maximum input level, Pb/Pr input
Voltage gain
Cross-talk
V Sag
Differential gain
Differential phase
Non-linearity of luminance signal
Y sync output level
CVBS sync output level
C DC output level
Pb/Pr output pedestal level
SW1 & SW2, Input impedance
Symbol
ICC
Fr
DdY
DdP
GVv
CTv
Sag
DG
DP
NiL
YsV
CVsV
CoV
PbroV
Siz
0.65
0.65
1.65
1.45
50
f=4.43MHz
Coupling C = 0.1µF
Conditions
min
No signal, no load
100kHz / 14MHz
f=100kHz, output, THD=1% input
f=100kHz, output, THD=1% input
20
-1
1.2
0.7
5.4
Ratings
typ
30
0
1.4
0.8
6.0
-70
3.0
0.5
0.5
0.5
0.9
0.9
1.9
1.7
70
6.6
-60
4.0
1.0
1.0
1.0
1.15
1.15
2.15
1.95
max
40
+1
mA
dB
Vpp
Vpp
dB
dB
%
%
deg
%
VDC
VDC
VDC
VDC
kΩ
Unit
Logic Truth Table
Low = 0.0V to 0.7V, High = 2.5V to 5.0V
When processing component signals
SW1 (Pin14)
Low
High
SW2 (Pin 13)
Low
Low
Pin 16
Pr1
Pr2
Pin 19
Pb1
Pb2
Pin 22
Y1
Y2
When processing CVBS, Y, C signals
SW1 (Pin 14)
Low
High
SW2 (Pin 13)
High
High
Pin 16
CVBS1
CVBS2
Pin 19
C1
C2
Pin 22
Y1
Y2
SW1: input selected, SW2: clamp/signal selected
Package Dimensions
unit : mm (typ)
3315
9.75
24
13
5.6
7.6
1
0.8
(0.48)
0.3
12
0.15
SANYO : SSOP24J(275mil)
0.1
(1.3)
1.5MAX
0.5
No.A0895-2/6
Talking
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