TDA9110 Datasheet, PDF (7/29 Pages) STMicroelectronics – LOW-COST DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

TDA9110
HORIZONTAL SECTION (continued)
Electrical Characteristics (V_CC = 12V, T_amb = 25^oC) (continued)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
2nd PLL SECTION AND HORIZONTAL OUTPUT SECTION
FBth Flyback Input Threshold Voltage (Pin 12)
0.65 0.75
V
Hjit Horizontal Jitter
Horizontal Freq. = 31kHz
60
ppm
HDmin
HDmax
Horizontal Drive Output Duty-Cycle
(Pin 26) (see Notes 1 & 2)
Low Level
High Level
Sub-Address 00
Byte xxx11111
Byte xxx00000
30
%
60
%
XRAYth X-RAY Protection Input Threshold Voltage Pin 25
8
V
Vphi2 Internal Clamping Levels on 2nd PLL Loop Low Level
Filter (Pin 5)
High Level
1.6
V
3.7
V
VSCinh Threshold Voltage To Stop H-Out,V-Out
when V_CC < VSCinh
Pin 29
7.5
V
HDvd Horizontal Drive Output (low level)
Pin 26 I_OUT = 30mA
0.4
V
HORIZONTAL DYNAMIC FOCUS FUNCTION
HDFst Horizontal Dynamic Focus Sawtooth
HfocusCap = C₀ = 820pF,
Minimum Level
TH=TBD, Pin 16
2
V
Maximum Level
4.7
V
HDFdis Horizontal Dynamic Focus Sawtooth
Discharge Width
Start by HDFstart
400
ns
HDFstart Internal fixed Phase Advance versus Hfly Fixed for each frequency
860
ns
Middle
(Pin 16)
HDFDC Bottom DC Output Level
R_LOAD = 10kΩ, Pin 15
2
V
TDHDF DC Output Voltage Thermal Drift
200
ppm/C
HDFamp Horizontal Dynamic Focus Amplitude
Sub-Address 03, Pin 15,
Min Byte x1111111
FH = 50kHz, Keystone Typ
1.1
V_PP
Typ Byte x1000000
1.7
V_PP
Max Byte x0000000
3.5
V_PP
HDFKeyst Horizontal Dynamic Focus Keystone
Sub-Address 04,
FH = 50kHz, Typ Amp
Min A/B Byte xxx11111
B/A
2.5
Typ Byte xxx10000
A/B
1.0
Max A/B Byte xxx00000
A/B
2.5
VERTICAL DYNAMIC FOCUS FUNCTION (positive parabola)
AMPVDF
Vertical Dynamic Focus Parabola (added
to horizontal one) Amplitude with VOUT
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.
Byte 11000000
(see Figure 1 and Note 3)
Byte 11111111
VHDFKeyt Parabola Assymetry Function of VPOS Sub-Address 06
Control (tracking between VPOS and VDF)
Byte x0000000
with VAMP Max.
Byte x1111111
0
VPP
0.5
V_PP
1
V_PP
0.6
V_PP
1
V_PP
1.5
V_PP
0.52
0.52
Notes : 1. Duty Cycle is the ratio of power transistor OFF time period. Power transistor is OFF when output transistor is OFF.
2. Initial Condition for Safe Operation Start Up
3. S and C correction are inhibited so the output sawtooth has a linear shape.
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