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PDF MM1188 Data sheet ( Hoja de datos )
| Número de pieza | MM1188 | |
| Descripción | 3-Input 1-Output Video Switch | |
| Fabricantes | Mitsumi Electronics | |
| Logotipo |  |
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MITSUMI
3-Input 1-Output Video Switch (with Y-C mix) MM1188
3-Input 1-Output Video Switch (with Y-C mix)
Monolithic IC MM1188
Outline
This is a 3-input, 1-output video switch IC for video signal switching. Of the 3 inputs, one has an input pin
that supports S input, and there is a built-in mixing circuit.
Features
1. Built-in mixing circuit and input pin for S input
2. Built-in 6dB amp
3. Clamp function
4. Mute function
5. Current consumption
6. Operating power supply voltage range
7. Frequency response
8. Crosstalk
(IN1-Y, IN2, IN3)
12.5mA typ.
8~13V
10MHz
70dB (at 4.43MHz)
Package
SIP-9B (MM1188XS)
Applications
1. TV
2. VCR, etc.
www.DataSheet4U.com
Block Diagram
Control input truth table
SW1
L
H
-
SW2
L
L
H
OUT
IN1
IN2
IN3
1 page  
MITSUMI
3-Input 1-Output Video Switch (with Y-C mix) MM1188
* *Note : 1 2 Measurement of IN1-C and IN1-Y mixed differential gain and differential phase is as follows.
Switch status : S1=3, S2=1, S3=S4=S5=S6=2
Measuring procedure : Input a 1.0VP-P staircase wave signal (without chroma signal) to SG1,
and a chroma signal to SG2. Measure TP3 differential gain and differential phase.
Sync signal
0.286VP-P
(40IRE)
Figure 1
Luminance
signal
0.714VP-P
(100IRE)
Sync signal
0.286VP-P
(40IRE)
1.0VP-P
(140IRE)
Figure 3
Measuring Circuit
Figure 2
Chroma
signal
variable
amplitude
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet MM1188.PDF ] | |
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