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TDA3507 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. TDA3507
Description  Video control combination circuit with automatic cut-off control
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA3507 Datasheet(HTML) 2 Page - NXP Semiconductors

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November 1987
2
Philips Semiconductors
Product specification
Video control combination circuit with
automatic cut-off control
TDA3507
GENERAL DESCRIPTION
The TDA3507 is a monolithic integrated circuit which performs video control functions in a PAL/SECAM decoder.
The required input signals are: luminance and negative colour difference
−(R−Y) and −(B−Y), and a 3-level sandcastle
pulse for control purposes. Linear RGB signals can be inserted from an external source. RGB output signals are available
for driving the video output stages. This circuit provides automatic cut-off control of the picture tube.
The TDA3507 is the same as the TDA3505 but with RGB channel bandwidths of (typical) 16 MHz and an automatic
cut-off cycle that ends in line 15.
Features
• Capacitive coupling of the colour difference and
luminance input signals with black level clamping in the
input stages
• Linear saturation control acting on the colour difference
signals
• (G−Y) and RGB matrix
• Linear transmission of inserted signals
• Equal black levels for inserted and matrixed signals
• 3 identical channels for the RGB signals
• Linear contrast and brightness controls, operating on
both the inserted and matrixed RGB signals
• Peak beam current limiting input
• Clamping, horizontal and vertical blanking of the three
input signals controlled by a 3-level sandcastle pulse
• 3 DC gain controls for the RGB output signals (white
point adjustment)
• Emitter-follower outputs for driving the RGB output
stages
• Input for automatic cut-off control with compensation for
leakage current of the picture tube
QUICK REFERENCE DATA
PACKAGE OUTLINE
28-lead DIL; Plastic (SOT117); SOT117-1; 1996 November 21.
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply voltage (pin 6)
VP = V6-24
12
V
Supply current
IP = I6
100
mA
Composite video input
signal (peak-to-peak value)
V15-24(p-p)
0,45
V
Colour difference input
signals (peak-to-peak value)
−(B−Y)
V18-24(p-p)
1,33
V
−(R−Y)
V17-24(p-p)
1,05
V
Inserted RGB signals
(black-to-white value)
V12,13,14-24
1,0
V
Three-level sandcastle pulse
V10-24
2,5
V
4,5
V
8,0
V
Control voltage ranges
brightness
V20-24
1,0
3,0
V
contrast
V19-24
2,0
4,3
V
saturation
V16-24
2,0
4,3
V


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