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PDF TDA3507 Data sheet ( Hoja de datos )

Número de pieza TDA3507
Descripción Video control combination circuit
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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INTEGRATED CIRCUITS
DATA SHEET
TDA3507
Video control combination circuit
with automatic cut-off control
Product specification
File under Integrated Circuits, IC02
November 1987

1 page




TDA3507 pdf
Philips Semiconductors
Video control combination circuit with
automatic cut-off control
PINNING
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
DESCRIPTION
red output
green storage capacitor for cut-off control
green output
blue storage capacitor for cut-off control
blue output
positive supply voltage (+12 V)
blue storage for brightness
green storage for brightness
red storage for brightness
sandcastle pulse input
fast switch for RGB inputs
blue input (external signal)
green input (external signal)
red input (external signal)
luminance input
saturation control input
(RY) colour difference input
(BY) colour difference input
contrast control input
brightness control input
white point adjustment, blue
white point adjustment, green
white point adjustment, red
ground (0 V)
control input for peak beam current limiting
automatic cut-off control input
storage capacitor for leakage current
red storage capacitor for cut-off control
Product specification
TDA3507
November 1987
5

5 Page





TDA3507 arduino
Philips Semiconductors
Video control combination circuit with
automatic cut-off control
Product specification
TDA3507
PARAMETER
CONDITIONS
SYMBOL MIN. TYP. MAX. UNIT
Difference in gain between
normal mode and signal insertion
mode
G1,3,5
10 %
Sandcastle pulse detector
(pin 10)
Levels for separating the
following pulses:
horizontal and vertical
blanking pulses
required pulses (H+V)
horizontal pulses
required pulses (H)
clamping pulses
required pulses
no keying
Input current
note 8
note 9
note 10
V10 1,0 1,5 2,0 V
V10 2,1 2,5 2,9 V
V10 3,0 3,5 4,0 V
V10 4,1 4,5 5,0 V
V10 6,5 7,0 7,5 V
V10
7,6
12,0 V
V10 − − 1,0 V
I10 − − 110 µA
Notes
1. < 115 mA after warm-up.
2. Values are proportional to the supply voltage.
3. When V11-24 < 0,4 V during clamping time the black levels of the inserted RGB signals are clamped on the black
levels of the internal RGB signals.
When V11-24 > 0,9 V during clamping time the black levels of the inserted RGB signals are clamped on an internal
DC voltage (correct clamping of the external RGB signals is possible only when they are synchronous with the
sandcastle pulse).
4. When pins 21, 22 and 23 are not connected, an internal bias voltage of 5,5 V is supplied.
5. Automatic cut-off control measurement occurs in the following lines after start of the vertical blanking pulse:
line 12: measurement of leakage current (R + G + B)
line 13: measurement of red cut-off current
line 14: measurement of green cut-off current
line 15: measurement of blue cut-off current
6. Black level of the measured channel is nominal; the other two channels are blanked to ultra-black.
7. All three channels blanked to ultra-black.
The cut-off control cycle occurs when the vertical blanking part of the sandcastle pulse contains more than 3 line
pulses.
The internal blanking continues until the end of the last measured line.
The vertical blanking pulse is not allowed to contain more than 34 line pulses, otherwise another control cycle begins.
8. The sandcastle pulse is compared with three internal thresholds (proportional to VP) and the given levels separate
the various pulses.
9. Blanked to ultra-black (25%).
10. Pulse duration 3,5 µs.
November 1987
11

11 Page







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