TDA9102 データシートの表示（PDF） - STMicroelectronics

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TDA9102

H/V PROCESSOR FOR TTL V.D.U.

STMicroelectronics 

TDA9102C

ELECTRICAL CHARACTERISTICS (continued)

(TAMB = 25oC, VS = 12V, refer to the test circuits, unless otherwise specified)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

HORIZONTAL SECTION

K9 Phase sensitivity at Pin 9

(See technical note 3)

V10 Control voltage range

K10 Phase control sensitivity at Pin 10

HADJ

K1

K2

Horizontal phase adjustment for V10 varying

from 0.5 to 4.5V (27.64kHz)

Phase jitter constant

(jitter =

K1

106 .

)

fH

Frequency drift versus supply voltage

K2

=

dF . 106

dV . fH

Zero degree phase: flyback

centered on the middle of the

pulse at Pin 5

VS = 10.5V to 15.5V

67.5

degree

V

0.5

4.5

V

20 22.5 25 degree

V

- 45

+ 45 degree

100 150 ppm

400 ppm

V

VERTICAL SECTION

V12 Voltage reference at Pin 12

3.2 3.5 3.8

V

I13 Current gain at Pin 13

I12

I12 = 100µA

(I12 max. = 200µA)

0.94 1 1.06

V13 Typical Vertical Sawtooth Amplitude

(Pin 13) for Center Frequency

To be adjusted by I12

4

VPP

tFALL Discharge time at Pin 13

C18 = 0.22 µF, V13 = 4VPP

10 22

µs

fVL Maximum Vertical Frequency

Vertical Sync Low

84

Hz

CPin 13 = 220nF, RPin 12 = 58kΩ

fVH Minimum Vertical Frequency

Vertical Sync High

56

Hz

CPin 13 = 220nF, RPin 12 = 58kΩ

K14

Synchro

window

constant

ts

=

K14

fV

(See technical note 6)

0.333

V14 Sync input threshold (negative edge)

q Sync high

q Sync Low

2

8

V

0.8

V

I14 Current at Pin 14

q Input high

q Input Low V14 = 0.8V

- 10

10

µA

µA

t14

Input pulse duration

T

=

1

fV

@ fV = 64.75Hz

10

0.5T µs

V15 Average value of voltage on Pin 15

V13 = 4VPP, V16 = 2.5V

4

V

II15I Output current at Pin 15

1

mA

K15 Buffer gain constant at Pin 15

V15PP = K15 . V13PP

K16 Buffer variable gain constant at Pin 15 :

K1 6

=

∆V15PP

∆V16 . V13PP

V16 = 2.5V

2.5V < V16 < 4.5V

0.5V < V16 < 2.5V

0.95

0.1

V -1

0.1

V -1

I16 Input bias current at Pin 16

V16 = 0.5V

- 50

µA

I17 Input bias current at Pin 17

V17 = 4.5V

50

µA

V18

Average

voltage

at

Pin

18

:

V18

=

2

+

V18PP

2

V17 = 3.5V, R18 not connected

3

V

K18

Linearity

correction

constant

:

K18

=

∆V18PP

∆V17

V13PP = 4V,1.5V < V17 < 4.5V

1

V19 Voltage reference at Pin 19

(See technical note 5)

7.6 8 8.4

V

I19 Current at Pin 19

2

mA

4/7

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