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STMicroelectronics Electronic Components Datasheet

TEA5101A Datasheet

RGB HIGH VOLTAGE VIDEO AMPLIFIER

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TEA5101A pdf
TEA5101A
RGB HIGH VOLTAGE VIDEO AMPLIFIER
... BANDWIDTH : 10MHz TYPICAL
RISE AND FALL TIME : 50ns TYPICAL
CRT CATHODES CURRENT OUTPUTS FOR
... PARALLEL OR SEQUENTIAL CUT-OFF OR
DRIVE ADJUSTMENT
FLASHOVER PROTECTION
POWER DISSIPATION : 3.5W
ESD PROTECTED
DESCRIPTION
The TEA5101A includes three video amplifiers
desi-gned with a high voltage DMOS/bipolar tech-
nology. It drives directly the three CRT cathodes.
The device is protected against flashovers. Due to
its three cathode current outputs, the TEA5101A
can be used with both parallel and sequential sam-
pling applications.
PIN CONNECTIONS (top view)
MULTIWATT 15
(Plastic Package)
ORDER CODE : TEA5101A
Tab connected to Pin 8
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
BLUE FEEDBACK
BLUE CATHODE CURRENT
BLUE OUTPUT
GREEN FEEDBACK
GREEN CATHODE CURRENT
GREEN OUTPUT
RED FEEDBACK
GROUND
RED OUTPUT
RED CATHODE CURRENT
VDD HIGH VOLTAGE
RED INPUT
GREEN INPUT
VCC LOW VOLTAGE
BLUE INPUT
June 1993
1/6


STMicroelectronics Electronic Components Datasheet

TEA5101A Datasheet

RGB HIGH VOLTAGE VIDEO AMPLIFIER

No Preview Available !

TEA5101A pdf
TEA5101A
PIN FUNCTION
N° Function
1 Blue Input
2 VCC
3 Green Input
4 Red Input
5 VDD
6 Red Cathode Current
7 Red Output
8 Ground
9 Red Feedback
10 Green Output
11 Green Cathode Current
12 Green Feedback
13 Blue Output
14 Blue Cathode Current
15 Blue Feedback
Description
Input of the ”blue” amplifier. It is a virtual ground with 3.8V bias voltage,
15 microamperes input bias current with 14kinput resistance.
Low voltage power supply, typically 12V.
See Pin 1.
See Pin 1.
High voltage power supply, typically 200V.
Provides the video processor with a copy of the DC current flowing into the red
cathode, for automatic cut-off or gain adjustment. If this control is not used, Pin 6
must be grounded.
Output driving the red cathode. Pin 7 is internally protected against CRT arc
discharges by a diode limiting the output voltage to VDD.
Also connected to the heat sink.
Output driving the feedback resistor network for the red amplifier.
See Pin 7.
See Pin 6.
See Pin 9.
See Pin 7.
See Pin 6.
See Pin 9.
BLOCK DIAGRAM OF EACH CHANNEL
VDD
5
40k
15 (12, 9)
20k
13
(10, 7)
0.8k
1k
14
(11, 6)
2
1
(3, 4)
GND
8
3535
350
2.5k
6k3pF
1.5k
2/6


Part Number TEA5101A
Description RGB HIGH VOLTAGE VIDEO AMPLIFIER
Maker ST Microelectronics
Total Page 6 Pages
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