TEA5114 ST Microelectronics, TEA5114 Datasheet

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TEA5114

Manufacturer Part Number
TEA5114
Description
RGB SWITCHING CIRCUIT
Manufacturer
ST Microelectronics
Datasheet

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DESCRIPTION
This integrated circuit provides RGB switching al-
lowing connections between peri TV plug, internal
RGB generator and video processor in a TV set.
The input signal black level is tied to the same ref-
erence voltage on each input in order to have no dif-
ferential voltage when switching two RGB genera-
tors.
An AC output signal higher than 2 Vpp makes gain
going slowly down to 0dB to protect the TV set video
amplifier from saturation.
Fast blanking output is a logicial OR between FB1
(Pin 8) and FB2 (Pin 10).
BLOCK DIAGRAM
May 1996
25MHz BANDWIDTH
CROSSTALK : 55dB
SHORT CIRCUIT TO GROUND OR V
TECTED
ANTI SATURATION GAIN CHANGING
VIDEO SWITCHING
G = 2
16
1
15
2
V
14
3
REF
CC
G = 2
13
4
PRO-
12
5
PIN CONNECTIONS
FB
R
R
G
G
B
B
1
2
1
2
1
2
1
RGB SWITCHING CIRCUIT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
G = 2
GND
11
6
ORDER CODE : TEA5114A
1
2
3
4
5
6
7
8
10
7
(Plastic Package)
DIP16
TEA5114A
OR
9
8
16
15
14
13
12
11
10
9
TEA5114A
R OUTPUT
FB
V
G OUTPUT
FB
B OUTPUT
FB
FB OUTPUT
CC
R
G
2
INPUT
INPUT
+
FB
B
INPUT
1/4

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TEA5114 Summary of contents

Page 1

... Fast blanking output is a logicial OR between FB1 (Pin 8) and FB2 (Pin 10). BLOCK DIAGRAM REF May 1996 RGB SWITCHING CIRCUIT PRO- CC (Plastic Package) ORDER CODE : TEA5114A PIN CONNECTIONS R INPUT 1 1 GND 2 R INPUT INPUT INPUT ...

Page 2

... TEA5114A ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage CC T Junction Temperature j T Storage Temperature stg Z Minimum Load Resistor on Each Output L T Operating Ambient Temperature amb THERMAL DATA Symbol R Junction-ambient Thermal Resistance th(j-a) ELECTRICAL OPERATING CHARACTERISTICS (RGB) = 300 amb ...

Page 3

... OUTPUTS TEA5114A INPUTS Bout FBout 0 TEA5114A FB1 TEA5114A R G SWITCHES CONTROL B + FB2 FAST BLANKING OUTPUT FAST BLANKING INPUT FB2 B2 2nd G2 GENERATOR 3/4 ...

Page 4

... TEA5114A PACKAGE MECHANICAL DATA 16 PINS – PLASTIC DIP Millimeters Dimensions Min. Typ. a1 0. 2.54 e3 17. Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsi- bility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...

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