TDA9112A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA9112A' PDF : 60 Pages View PDF
TDA9112A
6.6 EW drive section
Symbol
VEW
IEWOut
VHEHT
VHEHTnull
VEW-DC
VEW-base
∆---∆-V--V-E---HW---E--–-H-D--T--C--
V-----E∆---W-V---E–---DW---C--–--D⋅---C∆----T--
VEW-PCC
V---V-E--EW---W--–--–-P--PC---CC--C--[--[t--vt--rv-=-r-=---T--0-V--R-]--]-
VEW-Key
Table 3. EW drive section (VCC = 12V, Tamb = 25°C)
Parameter
Test Conditions
Output voltage on EWOut pin
Current delivered by EWOut out-
put
Control voltage range on HEH-
TIn pin
Neutral point on breathing char-
acteristics. See Figure 15.(16)
(24)(25)(26)(27)(28)(36)(42)(43)
DC component of the EW-drive
signal on EWOut pin(30)
EWTrHFr=0 or VHO>VHO-
Thrfr
HSIZE (Sad10h):
00000000b
10000000b
11111111b
DC reference for the EW-drive
signal on EWOut pin
(24)(25)(26)(27)(42)(43)
Breathing compensation on DC
component of the EW-drive sig-
nal(30)
VRefO < VHEHT < VCC
VHEHT(min)≤VHEHT≤VHE-
HT(max):
HEHTG (Sad1Bh):
x0000000b
x1000000b
x1111111b
Min.
1.8
Value
Typ.
Max.
6.5
Units
V
-1.5
0.1 mA
1
6
V
4.0
V
2
V
3.25
V
4.5
V
2
V
0
V/V
0
V/V
-0.25
V/V
0
V/V
+0.25
V/V
Temperature drift of DC compo- (24)(25)(26)(27)(28)(36)(42)(43)
nent of the EW-drive signal(30) (44)
100
ppm/°C
(24)(25)(26)(28)(29)(31)
(32)(36)(42)(43)
Pin cushion correction compo-
nent of the EW-drive signal
VSIZE at maximum
PCC (Sad0Ch):
x0000000b
x1000000b
x1111111b
Tracking with VSIZE:
PCC at x1000000b
VSIZE (Sad07h):
x0000000b
x1000000b
0
V
0.75
V
1.5
V
0.25
V
0.5
V
(24)(25)(26)(29)(33)(35)(36)(42)(43)
Tracking of PCC component of PCC at x1111111b
the EW-drive signal with vertical VPOS (Sad08h):
position adjustment
x0000000b
0.5
x1111111b
2.0
(25)(26)(27)(28)(29)(33)(34)(36)(42)(
Keystone correction component
of the EW-drive signal
43)
KEYST (Sad0Dh):
x0000000b
x1111111b
0.4
V
-0.4
V
14/60
Share Link: 
