TDA9108 데이터 시트보기 (PDF) - STMicroelectronics

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TDA9108

MONITOR HORIZONTAL PROCESSOR

STMicroelectronics 

TDA9108

MONITOR HORIZONTAL PROCESSOR

. POS/NEG SYNC INPUT

. SYNC POLARITY DETECTION

. 2 PLLs CONCEPT

. 2 COMPLEMENTARY OUTPUTS

. DC ADJUSTABLE FREQUENCY

. DC ADJUSTABLE DUTY CYCLE

. X-RAY PROT INPUT

. BACK PORCH CLAMPING PULSE GENER-

ATOR

. H-DRIVE INHIBITION WHEN VS < VS START

DESCRIPTION

The TDA9108 is a horizontal deflection processor

specially designed for monitor applications. The

H-drive output duty cycle, the horizontal frequency

and the horizontal position are DC adjustable ; it

accepts both POS/NEG polarity on sync input and

delivers polarity information on a dedicated pin. All

these features make the device a good choice for

multifrequency application.In addition to this, X-ray

protection, 2 complementary H-drive output , and

a back porch clamping pulse generator are also

included. It is a monolithic integrated circuit encap-

sulated in a 14 lead dual line plastic package.

PIN CONNECTIONS

SU PP LY VOLTAGE 1

NEGATIVE H-DRIVE

2

POSITIVE H-DRIVE

3

DUTY CYCLE ADJUSTMENT 4

2nd PLL LOOP FILTER

5

FLYBACK INPUT

6

BACK PORCH CLAMPING PULSE OUTPUT

7

October 1993

DIP14

(Plastic Package)

ORDER CODE : TDA9108

14

GR OUN D

13

H-FREQUENCY SETTING

12

H-OSCILLATOR CAPACITOR

11

1st PLL LOOP FILTER

10

SYNC POLARITY

9

SYN C INPUT

8

X-RAY PROTECTION INPUT

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