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STV6889 Datasheet(PDF) 19 Page - STMicroelectronics

Part # STV6889
Description  HIGH-END I²C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
PDF  56 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV6889 Datasheet(HTML) 19 Page - STMicroelectronics

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6.9 Miscellaneous
Table 6. Miscellaneous
(VCC = 12V, Tamb = 25°C)
Symbol
Parameter
Test Conditions
Value
Units
Min.
Typ.
Max.
Vertical blanking and horizontal lock indication composite output HLckVBk
ISinkLckBk
Sink current to HLckVBk pin
(49)
100
mA
VOLckBk
Output voltage on HLckVBk output
0.1
1.1
5
6
V
V
V
V
Horizontal moiré canceller
Modulation of TH by H. moiré function
HMoiréMode = 0
HMOIRE (Sad02h):
x0000000b
x1111111b
HMoiréMode = 1
HMOIRE (Sad02h):
x0000000b
x1111111b
0
0.02
0
0.04
%
%
%
%
Vertical moiré canceller
VV-moiré
Amplitude of modulation of V-drive sig-
nal on VOut pin by vertical moiré.
VMOIRE (Sad0Bh):
x0000000b
x1111111b
0
3
mV
mV
Protection functions
VThrXRay
Input threshold on XRay input(50)
VRefO
-10mV
VRefO
VRefO
+10mV
tXRayDelay
Delay time between XRay detection
event and protection action
TH
2TH
VCCXRayEn
Minimum VCC value for operation of
XRay detection and protection(53)
10.2
10.8
V
VCCEn
VCC value for start of operation at VCC
ramp-up(51)
8.0
V
VCCDis
VCC value for stop of operation at VCC
ramp-down(51)
6.8
V
Control voltages on HPosF pin and VCC for Soft start/stop operation
(19)(52)
VHOn
Threshold for start/stop of H-drive sig-
nal
1V
VBOn
Threshold for start/stop of B-drive sig-
nal
1.7
V
VHBNorm
Threshold for full operation duty cycle
of H-drive and B-drive signals
2.4
VCCStop
Minimum supply voltage when voltage
on HPosF pin reaches VHOn thresh-
old(54)
4.8
V. blank
H. lock
No
Yes
Yes
Yes
No
No
Yes
No
T
HH moire
–
()
D
T
H
-----------------------------



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