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TDA9115 bảng dữ liệu(PDF) 16 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
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6.9 MISCELLANEOUS
VCC = 12V, Tamb =25°C
Note 35: Current sunk by the pin if the external voltage is higher than one the circuit tries to force.
Note 36: The threshold is equal to actual VRefO.
Note 37: In the regions of VCC where the device’s operation is disabled, the H-drive, V-drive and B+-drive signals on
HOut, VOut and BOut pins, resp., are inhibited, the I2C Bus does not accept any data.
Symbol
Parameter
Test Condit ions
Value
Units
Min.
Typ.
Max.
Vertical blanking and horizon tal lock indication composite outpu t HLckVBk
ISinkLckBk
Sink current to HLckVBk pin
(35)
100
µA
VOLckBk
Output voltage on HLckVBk output
0.1
1.1
5
6
V
V
V
V
Horizontal moiré canceller
VAC-HMoiré
H-moiré pulse amplitude on HMoiré pin
Rext=10k
Ω
HMOIRE (Sad02):
x0000000b
x1111111b
0.1
2.1
V
V
VDC-HMoiré
DC level on HMoiré pin
Rext=10k
Ω
0.1
V
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 function s
VThrXRay
Input threshold on XRay input(36)
7.65
7.9
8.2
V
tXRayDelay
Delay time between XRay detection
event and protection action
2TH
VCCEn
VCC value for start of operation at VCC
ramp-up(37)
8.5
V
VCCDis
VCC value for stop of operation at VCC
ramp-down(37)
6.5
V
Control voltages on HPosF pin for Soft start/stop operation(18)
VHOn
Threshold for start/st op of H-drive sig-
nal
1V
VBOn
Threshold for start/st op of B-drive sig-
nal
1.7
V
VHBNorm f
Threshold for full operational duty cycle
of H-drive and B-drive signals
2.4
VHPos
Voltage on HPosF pin as function of ad-
justment of
HPOS register
Normal operation
HPOS (Sad01)
00000000b
11111111b
3.85
2.60
4.0
2.8
4.15
3.05
V
V
V.blank
H.lock
No
Yes
Yes
Yes
No
No
Yes
No



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