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STV6889 数据表(PDF) 9 Page - STMicroelectronics

部件名 STV6889
功能描述  HIGH-END I²C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
PDF  56 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV6889 数据表(HTML) 9 Page - STMicroelectronics

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6 ELECTRICAL PARAMETERS AND OPERATING CONDITIONS
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". 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 period of horizontal deflection.
6.1 Thermal data
6.2 Supply and Reference voltages
Tamb = 25°C
6.3 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 capability of RefOut output
-5
0
mA
Symbol
Parameter
Test Conditions
Value
Units
Min.
Typ.
Max.
VLoH/HVSyn
LOW level voltage on H/HVSyn
00.8
V
VHiH/HVSyn
HIGH level voltage on H/HVSyn
2.2
5
V
VLoVSyn
LOW level voltage on VSyn
00.8
V
VHiVSyn
HIGH level voltage on VSyn
2.2
5
V
RPdSyn
Internal pull-down on H/HVSyn, VSyn
100
175
250
k
W
tPulseHSyn
H sync. pulse duration on H/HVSyn pin
0.5
ms
tPulseHSyn
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
ms
tPulseVSyn
Proportion of V sync pulse to V period
Pins H/HVSyn, VSyn
0.15
textrV
Proportion of H sync pulse length to H pe-
riod for extraction as V sync pulse
Pin H/HVSyn,
cap. on pin CO = 820pF
0.21
0.35
tHPolDet
Polarity detection time (after change)
Pin H/HVSyn
0.75
ms
/TH
/TV
/TH



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