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TDA4852 Datasheet(PDF) 8 Page - NXP Semiconductors

Part No. TDA4852
Description  Horizontal and vertical deflection controller for autosync monitors
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 8 page
background image
December 1992
8
Philips Semiconductors
Preliminary specification
Horizontal and vertical deflection controller
for autosync monitors
TDA4852
Vertical sync input (DC-coupled, TTL-compatible)
V-sync on pin 10
Vi sync
sync input signal
(peak-to-peak value, pin 10)
1.7
−−
V
slicing level
1.2
1.4
1.6
V
I10
input current
0
< V10 < 5.5 V
−−
±10
µA
tp V
maximum vertical sync pulse width for
automatic vertical polarity switch
−−
300
µs
Horizontal clamping / blanking generator output
Fig.6
V8
output voltage LOW
−−
0.9
V
blanking output voltage
internal V blanking
1.6
1.9
2.2
V
clamping output voltage
H-sync on pin 9
5.15
5.4
5.65
V
I8
internal sink current for all output levels
H and V scanning
2.3
2.9
3.5
mA
external load current
−−
−3.0
mA
t8
clamping pulse start
with end of H-sync
tclp
clamping pulse width
V8 = 3 V
0.6
0.8
1.0
µs
S
steepness of rise and fall times
60
75
ns/V
Vertical oscillator
Vref = 6.25 V
f0
vertical free-running frequency
R15 = 22 kΩ;
C16 = 0.1 µF
42
Hz
fv
nominal vertical sync range
no f0 adjustment
50
110
Hz
V15
voltage on pin 15
R15 = 22 kΩ
2.8
3.0
3.2
V
td
delay between sync pulse and start of
vertical scan
measured on pin 8
240
300
360
µs
I12
control current for amplitude control
−±200
−µA
C12
capacitor for amplitude control
−−
0.18
µF
Vertical differential output
Fig.7
Io
differential output current between
pins 5 and 6 (peak-to-peak value)
mode 3; I13 >−135 µA;
R15 = 22 kΩ
0.9
1.0
1.1
mA
maximum offset-current error
Io = 1 mA
−−
±2.5
%
maximum linearity error
−−
±1.5
%
Vertical amplitude adjustment (in percentage of output signal)
V13
input voltage
5.0
V
I13
adjustment current
Io max (100%)
−110
−120
−135
µA
Io min (typically 58%)
0
−µA
Horizontal comparator PLL1
V17
upper control voltage limitation
5.9
V
lower control voltage limitation
5.1
V
I17
control current
Fig.6
−±0.083I18
mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT




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