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NXP Semiconductors Electronic Components Datasheet

TDA4850 Datasheet

Horizontal and vertical deflection controller

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INTEGRATED CIRCUITS
DATA SHEET
TDA4850
Horizontal and vertical deflection
controller for VGA/XGA and
multi-frequency monitors
Product specification
Supersedes data of September 1991
File under Integrated Circuits, IC02
1997 Jun 05


NXP Semiconductors Electronic Components Datasheet

TDA4850 Datasheet

Horizontal and vertical deflection controller

No Preview Available !

Philips Semiconductors
Horizontal and vertical deflection controller
for VGA/XGA and multi-frequency monitors
Product specification
TDA4850
FEATURES
VGA operation fully implemented including
alignment-free vertical and E/W amplitude pre-settings
4th VGA mode easy applicable (XGA, Super VGA)
Multi-frequency operation externally selectable
All adjustments DC-controllable
Alignment-free oscillators
Sync separators for video or horizontal and vertical TTL
sync levels regardless of polarity
Horizontal oscillator with PLL1 for sync and PLL2 for
flyback
Constant vertical and E/W amplitude in multi-frequency
operation
DC-coupling to vertical power amplifier (TDA486X or
TDA8351)
Internal supply voltage stabilization with excellent ripple
rejection to ensure stable geometrical adjustments.
GENERAL DESCRIPTION
The TDA4850 provides economical solutions in VGA/XGA
and multi-frequency monitors. The IC incorporates the
complete horizontal and vertical small signal processing.
VGA-dependent mode detection and settings are
performed on chip. In conjunction with TDA486X or
TDA8351 (vertical output circuits) both ICs offer an
extremely advanced system solution.
QUICK REFERENCE DATA
SYMBOL
VP
IP
Vi sync
Io V
Io H
Tamb
PARAMETER
MIN.
supply voltage (pin 1)
supply current
AC-coupled composite video signal with negative-going sync
(peak-to-peak value; pin 9)
9.2
sync slicing level
DC-coupled TTL-compatible horizontal sync signal
(peak value; pin 9)
1.7
slicing level
1.2
DC-coupled TTL-compatible vertical sync signal
(peak value; pin 10)
1.7
slicing level
1.2
vertical differential output current (peak-to-peak value;
pins 5 and 6)
horizontal sink output current on pin 3
operating ambient temperature
0
TYP.
12
40
1
120
1.4
1.4
1
MAX.
16
1.6
1.6
60
70
UNIT
V
mA
V
mV
V
V
V
V
mA
mA
°C
ORDERING INFORMATION
TYPE
NUMBER
TDA4850
NAME
DIP20
PACKAGE
DESCRIPTION
plastic dual in-line package; 20 leads (300 mil)
VERSION
SOT146-1
1997 Jun 05
2


Part Number TDA4850
Description Horizontal and vertical deflection controller
Maker NXP
PDF Download

TDA4850 Datasheet PDF






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