TDA9111 Просмотр технического описания (PDF) - STMicroelectronics
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TDA9111 Datasheet PDF : 43 Pages
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TDA9111
DYNAMIC FOCUS SECTION
Electrical Characteristics (VCC = 12V, Tamb = 25°C)
Symbol
Parameter
Test Conditions
HORIZONTAL DYNAMIC FOCUS FUNCTION (seeFigure 15 on page 29)
HDFst
Horizontal Dynamic Focus Sawtooth
Minimum Level
Maximum Level
Pin 9, capacitor on HFO-
CUSCAP and
C0 = 820pF, TH = 20µs
HDFdis
Horizontal Dynamic Focus Sawtooth Dis-
charge Width
Triggered by HDFstart
HDFstart
Internal Phase Advance versus HFLY
middle
(Independent of frequency)
HDFDC
TDFHD
Bottom DC Output Level
DC Output Voltage Thermal Drift (11)
RLOAD = 10kΩ,
Pin 10
HDFamp
Horizontal Dynamic Focus
Amplitude
Max Byte
Typ Byte
Max Byte
Sub-Address 03,
Pin 10, fH = 50kHz,
Symmetric Wave Form
x1111111
x1000000
x0000000
HDFKeyst
Horizontal Dynamic FocusSymmetry
(For time reference, see Figure 15 )
Advance for Byte
Delay for Byte
Subaddress 04
x1111111 (decimal 127)
x0000000 (decimal 0)
VERTICAL DYNAMIC FOCUS FUNCTION (see Figu re 1)
AMPVDF
Vertical Dynamic Focus Parabola (added
to horizontal) Amplitude with VAMP and
VPOS Typical
Sub-Address 0F
Min Byte x0000000
Typ Byte x1000000
Max Byte x1111111
VDFAMP
Parabola Amplitude Function of VAMP Sub-Address 05
(tracking between VAMP and VDF) with Byte x0000000
VPOS Typ. (seeFigure 1 on page 15 and Byte
(15))
Byte
x1000000
x1111111
VHDFKeyt
Parabola Asymmetry Function of VPOS
Control (tracking between VPOS and
VDF) with VAMP Max.
B/A Ratio
A/B Ratio
Sub-Address 06
Byte
Byte
x0000000
x1111111
Note: 15 S and C correction are inhibited to obtain a linear vertical sawtooth.
Min.
Typ.
2.2
4.9
400
1
2.1
200
1
1.5
3.5
16
16
0
0.5
1
0.6
1
1.5
0.52
0.52
Max. Units
V
V
ns
µs
V
ppm/C
VPP
VPP
VPP
%
%
VPP
VPP
VPP
VPP
VPP
VPP
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