TDA9109N Просмотр технического описания (PDF) - STMicroelectronics
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TDA9109N Datasheet PDF : 32 Pages
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TDA9109/N
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 Flyback Input Threshold Voltage (Pin 12)
Hjit Horizontal Jitter
At 31.4kHz
HD Horizontal Drive Output Duty-Cycle
Pin 26, see Note 7
XRAYth X-RAY Protection Input Threshold Voltage Pin 25, see Note 8
Vphi2 Internal Clamping Levels on 2nd PLL
Loop Filter (Pin 4)
Low Level
High Level
VSCinh
HDvd
Threshold Voltage to Stop H-Out,V-Out,
B-Out and Reset XRAY
when VCC < VSCinh (see Note 8)
Horizontal Drive Output (low level)
Pin 29
Pin 26, IOUT = 30mA
HORIZONTAL DYNAMIC FOCUS FUNCTION
0.65 0.75
V
70
ppm
48
%
8
V
1.6
V
4.0
V
7.5
V
0.4 V
HDFst
Horizontal Dynamic Focus Sawtooth
Minimum Level
Maximum Level
HDFdis Horizontal Dynamic Focus Sawtooth
Discharge Width
HDFDC Bottom DC Output Level
TDHDF DC Output Voltage Thermal Drift
(see Note 5)
HDFamp
Horizontal Dynamic Focus Amplitude
Min Byte xxx11111
Typ Byte xxx10000
Max Byte xxx00000
HDFKeyst Horizontal Dynamic Focus Symmetry
Min A/B Byte xxx11111
Typ Byte xxx10000
Max A/B Byte xxx00000
Pin 9, capacitor on
HFOCUSCAP and C0 = 820pF,
2
TH = 20µs
4.7
Start by HFLY center
400
RLOAD = 10kΩ, Pin 10
2
200
Sub-Address 03, Pin 10,
fH = 50kHz, Symmetry Typ.
Sub-Address 04, fH = 50kHz,
Typ. Amp
B/A
A/B
A/B
1
1.5
3
2 3.5
1.0
2 3.5
V
V
ns
V
ppm/C
VPP
VPP
VPP
VERTICAL DYNAMIC FOCUS FUNCTION (positive parabola)
AMPVDF
Vertical Dynamic Focus Parabola (added
to horizontal) Amplitude with VAMP and
VPOS Typical
Min. Byte 000000
Typ. Byte 100000
Max. Byte 111111
Sub-Address 0F
VDFAMP
Parabola Amplitude Function of VAMP Sub-Address 05
(tracking between VAMP and VDF) with Byte 10000000
VPOS Typ. (see Figure 1 and Note 9)
Byte 11000000
Byte 11111111
VHDFKeyt Parabola Asymetry Function of VPOS Sub-Address 06
Control (tracking between VPOS and VDF) Byte x0000000
with VAMP Max.
Byte x1111111
0
VPP
0.5
VPP
1
VPP
0.6
VPP
1
VPP
1.5
VPP
0.52
VPP
0.52
VPP
Notes : 5. These parameters are not tested on each unit. They are measured during our internal qualification.
7. 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.
8. See Figure 14.
9. S and C correction are inhibited so the output sawtooth has a linear shape.
8/32
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