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TDA9112A 데이터시트(PDF) 12 Page - STMicroelectronics

부품명 TDA9112A
상세설명  HIGH-END I2C CONTROLLED DEFLECTION PROCESSOR FOR MULTISYNC MONITOR
PDF  60 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA9112A 데이터시트(HTML) 12 Page - STMicroelectronics

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Notes about horizontal section (continued)
Note 8: The tph(max) parameter is fixed by the application. For correct operation of asymmetry corrections through
dynamic phase modulation, this maximum must be reduced by maximum of the total dynamic phase required in
the direction leading to bending of corners to the right. Marginal situation is indicated by reach of VBotHPLL2C
low clamping level by waveform on pin HPLL2C. Also refer to Note 5 and Figure 6.
Note 9: All other dynamic phase corrections of picture asymmetry set to their neutral (medium) positions.
6.5 Vertical section
Table 2. Vertical section (Vcc = 12V, Tamb = 25°C)
Symbol
Parameter
Test Conditions
Value
Units
Min.
Typ.
Max.
AGC-controlled vertical oscillator sawtooth; VRefO = 8V
RL(VAGCCap)
Ext. load resistance on
VAGCCap pin(10)
∆V
amp/Vamp(R=∞) ≤1%
65
M
Ω
VVOB
Sawtooth bottom voltage on
VCap pin(11)
No load on VOscF pin(11)
2V
VVOTref
Sawtooth top voltage internal ref-
erence
5V
VVOT
Sawtooth top voltage on VCap
pin
AGC loop stabilized
5
V
tVODis
Sawtooth Discharge time
CVCap=150nF
80
µs
fVO(0)
Free-running frequency
CVCap=150nF
100
Hz
fVOCapt
AGC loop capture frequency
CVCap=150nF
50
185
Hz
Sawtooth non-linearity(12)(17)
AGC loop stabilized (12)
0.5
%
Frequency drift of sawtooth
amplitude(18)(19)
AGC loop stabilized
fVOCapt(min)
≤f
VO≤fVO-
Capt(max)
200
ppm/Hz
Vertical output drive signal (on pin VOut); VRefO = 8V
Vmidref
Internal reference for vertical
sawtooth middle point
3.5
V
Vmid(VOut)
Middle point on VOut sawtooth
VPOS (Sad08h):(22)
x0000000b
x1000000b
x1111111b
VPOF (Sad1Eh):(21)
x0000000b
x1000000b
x1111111b
3.65
3.1
3.45
3.8
3.3
3.45
3.6
3.3
V
V
V
V
V
V
Vamp
Amplitude of VOut sawtooth
(peak-to-peak voltage)
VSIZE (Sad07h):(23)
x0000000b
x1000000b
x1111111b
VSAG (Sad1Dh):(20)
x0000000b
x1000000b
x1111111b
3.5
2.25
3.0
3.75
2
2.5
3.0
2.5
V
V
V
V
V
V
VoffVOut
Level on VOut pin at V-drive "off" I²C-bus bit VOutEn at 0
4.0
V
V
VOdev
∆
V
VOamp
--------------------
V
VOamp
∆
V
VOamp
f
VO
∆
⋅
----------------------------------



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