tda9112a STMicroelectronics, tda9112a Datasheet - Page 13

• Manufacturer Part Number: tda9112a
• Description: High-end I2c Controlled Deflection Processor For Multisync Monitor
• Manufacturer: STMicroelectronics

Notes about vertical section
Note 10: Value of acceptable cumulated parasitic load resistance due to humidity, AGC storage capacitor leakage, etc.,
Note 11: The threshold for
Note 12: Maximum of deviation from an ideally linear sawtooth ramp at null S-correction (
Note 13: Maximum S-correction (
Note 14: Null S-correction (
Note 15: "t
Note 16: If
Note 17: V
Note 18: Only the top of the saw tooth drifts. The same rate applies to V-drive signal on
Note 19: Informative, not tested on each unit.
Note 20:
Note 21:
Note 22:
Note 23:
V
V
---------------------------------- -
V
SCor
CCor
amp
V
Symbol
V
VEHTnull
I
for less than 1% of
influence the value of VVOB.
C-correction (
see
or the influence of
VSIZE
VPOS
VPOF
VSAG
VOut
VEHT
V
/V
/V
VR
VOamp
VVEHT=VVEHTnull
amp
amp
amp
V
" is time from the beginning of vertical ramp of V-drive signal on
Chapter 7 - page 22
VEHT
at medium value 1000000b.
at medium value 1000000b.
at maximum value 1111111b.
at medium value 1000000b.
=
VVOT -VVOB
CCOR
Current delivered by
S-correction range
C-correction range
Control input voltage range on-
VEHTIn
Neutral point on breathing char-
acteristics
Breathing compensation
VVOB
SCOR
VHEHT
Vamp
Table 2. Vertical section (Vcc = 12V, Tamb = 25°C)
at 1000000b). The same rate applies to V-drive signal on
or VHEHT=VHEHTnull, respectively, the influence of
pin
SCOR
(16)
is generated internally and routed to
and
Parameter
at 0000000b).
change.
on EW drive signal, respectively, is null.
Figure
at x1111111b), null C-correction (
VOut
19.
output
(13)(20)(21)
AGC loop stabilized
(14)(20)(21)
AGC loop stabilized
t
CCOR
VRefO VVEHT VCC
VVEHT
HT
VEHTG
VR
t
t
x0000000b
x1000000b
x1111111b
x0000000b
x1000000b
x1111111b
VR
VR
(max):
=1/2 T
=1/4 T
=3/4 T
Test Conditions
(Sad0Ah):
(min)
(Sad1Ch):
VR
VR
VR
(15)
VVEHT VVE-
VOscF
(15)
CCOR
VOut
pin. Any DC current on this pin will
at 1000000b).
pin. "T
VVEHT
VOut
Min.
VR
VOut
-5
SCOR
1
" is the duration of this ramp,
on vertical drive amplitude
pin, no effect on EWOut.
pin.
Value
Typ.
+4.5
+2.5
at 0000000b) and null
-4.5
-2.5
4.0
-5
0
4
0
5
0
Max.
0.25
TDA9112A
6
Units
%/V
%/V
%/V
%/V
mA
13/60
%
%
%
%
%
V
V