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                                                                                        TEA5114A

                                                                RGB SWITCHING CIRCUIT

.
.   25MHz BANDWIDTH

.   CROSSTALK : 55dB
    SHORT CIRCUIT TO GROUND OR VCC PRO-

.
.
    TECTED
    ANTI SATURATION GAIN CHANGING
    VIDEO SWITCHING


                                                                                     DIP16
                                                                               (Plastic Package)

                                                                          ORDER CODE : TEA5114A



                                                             PIN CONNECTIONS
DESCRIPTION
This integrated circuit provides RGB switching al-
                                                              R1 INPUT     1              16       R OUTPUT
lowing connections between peri TV plug, internal
RGB generator and video processor in a TV set.                    GND      2              15       FB R INPUT

The input signal black level is tied to the same ref-         R 2 INPUT    3              14       V CC
erence voltage on each input in order to have no dif-         G1 INPUT     4              13       G OUTPUT
ferential voltage when switching two RGB genera-
                                                              G2 INPUT     5              12       FB G INPUT
tors.
                                                              B 1 INPUT    6              11       B OUTPUT
An AC output signal higher than 2 Vpp makes gain
going slowly down to 0dB to protect the TV set video          B 2 INPUT    7              10       FB 2 + FB B INPUT
amplifier from saturation.


                                                                                                                        5114A-01.EPS
                                                             FB 1 INPUT    8               9       FB OUTPUT
Fast blanking output is a logicial OR between FB1
(Pin 8) and FB2 (Pin 10).

BLOCK DIAGRAM


             16        15        14         13          12         11          10         9




            G=2                            G=2                    G=2                   OR

                                 VREF




                                                                                               TEA5114A
                                                                                                                        5114A-02.EPS




             1          2         3         4           5           6          7          8




May 1996                                                                                                          1/4
TEA5114A


ABSOLUTE MAXIMUM RATINGS
  Symbol                                      Parameter                                 Value              Unit
       VCC        Supply Voltage                                                          18                V
         Tj       Junction Temperature                                                

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