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STV9118 Arkusz danych(PDF) 10 Page - STMicroelectronics

Numer części STV9118
Szczegółowy opis  LOW-COST I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
PDF  46 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV9118 Arkusz danych(HTML) 10 Page - STMicroelectronics

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7 - ELECTRICAL PARAMETERS AND OPERATING CONDITIONS
The medium (middle) value of an I2C Bus control
or adjustment register composed of bits D0,
D1,...,Dn is the one having Dn at "1" and all other
bits at "0". The minimum value is the one with all
bits at 0, maximum value is the one with all at "1".
Currents flowing from the device (sourced) are
signed negative. Currents flowing to the device are
signed positive.
TH is the period of horizontal deflection.
7.1 - THERMAL DATA
7.2 - SUPPLY AND REFERENCE VOLTAGES
Tamb = 25°C
7.3 - SYNCHRONIZATION INPUTS
Vcc = 12V, Tamb = 25°C
Symbol
Parameter
Value
Unit
Min.
Typ.
Max.
Tamb
Operating ambient temperature
0
70
°C
Rth(j-a)
Junction-ambience thermal resistance
65
°C/W
Symbol
Parameter
Test Conditions
Value
Units
Min.
Typ.
Max.
VCC
Supply voltage at Vcc pin
10.8
12
13.2
V
ICC
Supply current to Vcc pin
VCC = 12V
65
mA
VRefO
Reference output voltage at RefOut pin
VCC = 12V, IRefO= -2mA
7.65
7.9
8.2
V
IRefO
Current sourced by RefOut output
-5
0
mA
Symbol
Parameter
Test Conditions
Value
Units
Min.
Typ.
Max.
VLoH/HVSyn
LOW level voltage on H/HVSyn
0
0.8
V
VHiH/HVSyn
HIGH level voltage on H/HVSyn
2.2
5
V
VLoVSyn
LOW level voltage on VSyn
0
0.8
V
VHiVSyn
HIGH level voltage on VSyn
2.2
5
V
RPdSyn
Internal pull-down on H/HVSyn, VSyn
100
175
250
k
Ω
tPulseHSyn
H sync. pulse duration on H/HVSyn pin
0.5
µs
tPulseHSyn/TH
Proportion of H sync pulse to H period
Pin H/HVSyn
0.2
tPulseVSyn
V sync. pulse duration
Pins H/HVSyn, VSyn
0.5
750
µs
tPulseVSyn/TV
Proportion of V sync pulse to V period
Pins H/HVSyn, VSyn
0.15
textrV/TH
Proportion of sync pulse length to H peri-
od for extraction as V sync pulse
Pin H/HVSyn,
cap. on pin CO = 820pF
0.21
0.3
tHPolDet
Polarity detection time (after change)
Pin H/HVSyn
0.75
ms



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