TDA9112A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA9112A' PDF : 60 Pages View PDF
TDA9112A
6.9 Miscellaneous
Table 6. Miscellaneous (VCC = 12V, Tamb = 25°C)
Symbol
Parameter
Test Conditions
Vertical blanking and horizontal lock indication composite output HLckVBk
ISinkLckBk
Sink current to HLckVBk pin
(58)
V. blank
H. lock
No
Yes
VOLckBk
Output voltage on HLckVBk output
Yes
Yes
No
No
Yes
No
Horizontal moiré canceller
∆----T---H---(--H---–---m---o---i-r-e--)
TH
Modulation of TH by H. moiré function
HMoiréMode = 0
HMOIRE (Sad02h):
x0000000b
x1111111b
HMoiréMode = 1
HMOIRE (Sad02h):
x0000000b
x1111111b
Vertical moiré canceller
VV-moiré
Amplitude of modulation of V-drive sig-
nal on VOut pin by vertical moiré.
VMOIRE (Sad0Bh):
x0000000b
x1111111b
Protection functions
VThrXRay
Input threshold on XRay input(59)
tXRayDelay
Delay time between XRay detection
event and protection action
VCCXRayEn
Minimum VCC value for operation of
XRay detection and protection(62)
VCCEn
VCC value for start of operation at VCC
ramp-up(60)
VCCDis
VCC value for stop of operation at VCC
ramp-down(60)
Control voltages on HPosF pin and VCC for Soft start/stop operation(19)(61)
VHOn
Threshold for start/stop of H-drive sig-
nal
VBOn
Threshold for start/stop of B-drive sig-
nal
VHBNorm
Threshold for full operation duty cycle
of H-drive and B-drive signals
VCCStop
Minimum supply voltage when voltage
on HPosF pin reaches VHOn thresh-
old(63)
Value
Units
Min. Typ. Max.
100
µA
0.1
V
1.1
V
5
V
6
V
0
%
0.02
%
0
%
0.04
%
0
mV
3
mV
VRefO
-10mV
VRefO
VRefO
+10mV
TH
2TH
10.2 10.8 V
8.0
V
6.8
V
1
V
1.7
V
2.4
4.8
20/60
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