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Part: TDA9102F
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TDA9102F
H/V PROCESSOR FOR TTL V.D.U
. . . . . . . . . . . . . . . .
HORIZONTAL SECTION SYNCHRONIZATION INPUT : TTL COMPATIBLE, NEGATIVE EDGE TRIGGERED SYNCHRONIZATION INDEPENDENT FROM DUTY CYCLE TIME OSCILLATOR : FREQUENCY RANGE FROM 15kHz to 100kHz HORIZONTAL OUTPUT PULSE SHAPER AND SHIFTER PHASE COMPARATOR BETWEEN SYNCHRO AND OSCILLATOR (PLL1) PHASE COMPARATOR BETWEEN FLYBACK AND OSCILLATOR (PLL2) INTERNAL VOLTAGE REGULATOR DC COMPATIBLE CONTROLS FOR PHASE AND FREQUENCY HORIZONTAL OUTPUT DUTY CYCLE : 48%
POWERDIP20 (0.4) (Plastic package) ORDER CODES : TDA9102F
VERTICAL SECTION SYNCHRONIZATION INPUT : TTL COMPATIBLE, NEGATIVE EDGE TRIGGERED SYNCHRONIZATION INDEPENDENT FROM DUTY CYCLE TIME OSCILLATOR : FREQUENCY RANGE FROM 30Hz to 120Hz RAMP GENERATOR WITH VARIABLE GAIN STAGE VERTICAL RAMP VOLTAGE REFERENCE INTERNAL VOLTAGE REGULATOR DC COMPATIBLE CONTROLS FOR FREQUENCY, AMPLITUDE AND LINEARITY PIN CONNECTIONS
Substrate Ground
11
10
Horizontal Phase Adjust
Vertical Frequency Preset
12
9
Phase Comparator 2 Output
C13
13
8
Horizontal Flyback Input
Vertical TTL Input
14
7
Horizontal Output
Vertical Ramp Output
15
6
Horizontal Power Ground
Vertical Amplitude Adjust
16
5
C5
Vertical Linearity Adjust
17
4
Horizontal TTL Input
DESCRIPTION The TDA9102F is a monolithic integrated circuit for horizontal and vertical sync processing in monochrome and color video displays driven by input TTL compatible signals. The TDA9102F is supplied in a 20 pin dual in line package with pin 11 connected to ground and used for heatsinking.
May 1994
Linearity Output
18
3
Phase Comparator 1 Output
Vertical Reference Voltage V S
19
2
C2
20
1
R1
1/7
9102F-01.EPS
2/7
DC FREQUENCY AD JUSTEMENT VS
R3 C1 C3 R2 C2 R1
10 3 1 2 20 11 PHASE COMPARATOR 1 VOLTAG E REGULATOR 19 VREF HORIZONTAL OSCILLATOR HORIZONTAL TTL INTERFACE LO W SUPPLY VOLTAGE PRO TECTION 15
TDA9102F
BLOCK DIAGRAM
DC HORIZONTAL PHASE ADJU STEMENT
TDA9102F
+ 5V
R4
HORIZONTAL SYNC. INPUT
4
DC VERTICAL
16 AMPLITUD E
AD JU STEMEN T
VERTICAL TTL INTERFACE VERTICAL O SCILLATO R 13
C5
VS
5
C1 3
12 HOR. PULSE SHAPER 2 PHASE CO MPARATO R
DC FREQUENCY PRESET
R 18 R 12
7
C 18
6 9 8 14 17 18
+ 5V
C9 R8 R1 4
DC VERTICAL LINEARITY ADJU STEMENT HORIZON TAL FLYBACK INPUT VERTICAL SYN C. INPUT
9102F-02.EPS
TDA9102F
ABSOLUTE MAXIMUM RATINGS
Symbol VS VSYNC IOH I15 I19 Ptot Tstg , Tj Parameter Supply Voltage Sync Input Peak Voltage Output Sinking Peak Current (Pin 7 ; t < 3µs) Output Current (Pin 15) Output Current (Pin 19) Total power dissipation o q Tamb < 70 C o q Tpin < 90 C Storage and Junction Temperature Value 18 + VS 2 - 10 - 10 1.4 1.5 - 40 to 150 Unit V V A mA mA W W o C
9102F-01.TBL
THERMAL DATA
Symbol Rth(j-c) Rth(j-a) Parameter Junction-case Thermal Resistance Junction-ambient Thermal Resistance Value 40 55 Unit C/W o C/W
o
9102F-02.TBL 9102F-03.TBL
ELECTRICAL CHARACTERISTICS (Tamb = 25oC, VS = 12V, refer to the test circuits, unless otherwise specified)
Symbol HORIZONTAL SECTION VS IS V1 I1 V2 K0 V3 - V1 I3 K3 V4 I4 T4 V5 t5 t7 V7 sat tD Supply Voltage Range Supply Current Voltage Reference at Pin 1 Current at Pin 1 Voltage Swing at Pin 2 Free Running Frequency Constant Control Voltage Range Peak Control Current Gain Phase Comparator 1 K3 = 2 x I3 / 360 Sync Threshold Input (neg. edge) Current at Pin 4 Input Pulse Duration T = 1/fH Monostable Threshold Internal Pulse Width (t5 = C5 x V5 /I5) Output Pulse Duration (low) - T = 1/fH Output Saturation Voltage Permissible delay between output pulse leading edge and flyback pulse leading edge 1 (for keeping a constant duty cycle) ; T = fH Flyback Input Current at Pin 8 Clamp voltage at Pin 8 Current for switching low the output pulse Peak control current Sync high Sync low q Input high q Input low @ fH = 27.64kHz
q q
Parameter
Test conditions
Min. 10.5
Typ. 12 40 3.5 4 4 2.5 3 17
Max. 15.5 70 3.8 4.3 4.3
Unit V mA V mA VPP V mA µA degree V V µA µA µs V µs µs µs V s
I1 = 0.5mA
fo = 1/(K0 x R1 x C2) (See technical note 1)
3.2 -1 3.7 3.7 1.6
2
8 0.8 10 0.9T 6.4
- 10 1 5.6
C5 = 220 pF (see technical note 2) fH = 27kHz fH = 70kHz I7 = 600 mA See technical note 4 @ fH = 27kHz
6 3.6
0.44T 0.48T 0.52T 0.41T 0.45T 0.49T 1.2 2.5 0.48 T - t FLY
IFLY V8 I8 I9
Flyback On Flyback Off q I8 = 1mA q I8 = - 1mA
q q
0.7 -1 0.6 0.7 0.9
2
- 0.6 2
mA mA V V mA mA
3/7
Others parts begin by td
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