TDA9109_98 データシートの表示（PDF） - STMicroelectronics
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TDA9109_98 Datasheet PDF : 30 Pages
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TDA9109/S
HORIZONTAL SECTION (continued)
Electrical Characteristics (VCC = 12V, Tamb = 25oC) (continued)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
2nd PLL SECTION AND HORIZONTAL OUTPUT SECTION
FBth
Hjit
Flyback Input Threshold Voltage (Pin 12)
Horizontal Jitter
At 31.4kHz
0.65 0.75
V
70
ppm
Horizontal Drive Output Duty-Cycle
Sub-Address 00
HDmin (Pin 26) (see Note 6)
Byte xxx11111
30
%
HDmax
Byte xxx00000 (see Note 7)
60
%
XRAYth X-RAY Protection Input Threshold Voltage Pin 25, see Note 8
8
V
Vphi2
VSCinh
VSDinh
HDvd
Internal Clamping Levels on 2nd PLL
Loop Filter (Pin 4)
Threshold Voltage to Stop H-Out,V-Out,
B-Out and Reset XRAY
when VCC < VSCinh (see Note 8)
Threshold Voltage to Stop H-Out,V-Out,
B-Out and Reset XRAY
when VDD < VSDinh
Horizontal Drive Output (low level)
Low Level
High Level
Pin 29
Pin 32
Pin 26, IOUT = 30mA
1.6
V
4.0
V
7.5
V
4.0
V
0.4 V
VERTICAL DYNAMIC FOCUS FUNCTION (positive parabola)
HDFDC
TDHDF
AMPVDF
VDFAMP
VHDFKeyt
Bottom DC Output Level
DC Output Voltage Thermal Drift (see
Note 5)
Vertical Dynamic Focus Parabola
Amplitude with VAMP and VPOS Typical
Min. Byte 000000
Typ. Byte 100000
Max. Byte 111111
Parabola Amplitude Function of VAMP
(tracking between VAMP and VDF) with
VPOS Typ. (see Figure 1 and Note 9)
Parabola Asymetry Function of VPOS
Control (tracking between VPOS and VDF)
with VAMP Max.
RLOAD = 10kΩ, Pin 10
Sub-Address 0F
Sub-Address 05
Byte 10000000
Byte 11000000
Byte 11111111
Sub-Address 06
Byte x0000000
Byte x1111111
2
200
0
0.5
1
0.6
1
1.5
0.52
0.52
V
ppm/C
VPP
VPP
VPP
VPP
VPP
VPP
VPP
VPP
Notes : 5. These parameters are not tested on each unit. They are measured during our internal qualification.
6. Duty Cycle is the ratio between the output transistor OFF time and the period. The power transistor is controlled OFF when the
output transistor is OFF.
7. Initial Condition for Safe Operation Start Up
8. See Figure 14.
9. S and C correction are inhibited so the output sawtooth has a linear shape.
8/30
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