TEA2130 查看數據表（PDF） - STMicroelectronics

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TEA2130

TV AND SATELLITE DECODER SCANNING PROCESSOR

STMicroelectronics 

TEA2130

ELECTRICAL CHARACTERISTICS (continued)

(Tamb = 25oC; VCC = 12V; Pulse duration 50% of the amplitude)

Symbol

Parameter

Test conditions

φ 2 COMPARATOR (Pin 14)

Output current

During line flyback

Delay between φ 2 falling edge FVCO = 500 kHz

and the middle video sync. pulse

LINE MONOSTABLE (Pin 10)

Charge current

Discharge current

Flip-Flop threshold

Line output high

Line output low

Falling edge on the line output

LINE OUTPUT (Pin 11)

Low level

Pulse duration

φ 2 adjustment range

I11= 20 mA

R9 = 3.32kΩ , C10 = 1.5nF

Controlled by V14 compared with

video signal

LINE SAW-TOOTH (Pin 8)

Charge Current

Discharge Current

Discharge Duration

R9 = 3.32 kΩ

Controlled by logic VCO 500kHz

LINE FLYBACK INPUT (Pin 13)

Blanking Line Threshold

φ 2 Loop Threshold and Line

Output Inhibition (Pin 11)

Input Current

Active above threshold

Active above threshold

- 0.4V < V13 < 0.4V

0.4V < V13 < 3V

3V < V13

SUPER SANDCASTLE GENERATOR (Pin 12)

Burst Level

Line Blanking Level

Frame Blanking Level

Delay between the midde of the

video sync. pulse and the rising

edge of the burst (t1)

RL = 2.2 kΩ to ground

Min. Typ. Max. Unit

± 300 ± 500 ± 700 µA

2.2

2.7

3.2

µs

- 67

µA

170

µA

1.3

V

1

V

27 29.5 32

µs

15

18

µs

- 200 - 180 - 150 µA

3.5

7

mA

6.5

µs

0.35 0.4

0.6

V

2.7

3

3.3

V

- 20 -10

-4

µA

- 10

-5

-4

µA

-1

µA

9

V

4

4.5

5

V

2

2.5

3

V

2.45 2.8 3.15 µs

Burst Pulse Duration

Line Blanking Duration

Frame Blanking Duration

t1

q 50Hz

q 60Hz

Fixed by flyback

Signal pin 13

Fixed by the logic

4.1

4.4

4.7

µs

3.6

3.9

4.2

µs

21

Line

5/8

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