Datasheet > BA7062

BA7062

更新时间： 2022-11-26 10:41:46

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
7页	90K
描述
SYNC separator IC with AFC

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中文翻译

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数据手册

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BA7062 数据手册

Multimedia ICs

BA7062F

Electrical characteristics (unless otherwise noted, Ta = 25°C and VCC = 5V)

•

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Quiescent current

2.0

—

4.1

6.2

Pin 3 open

Minimum SYNC separation level

Pulse voltage, Low

syn-Min.

P-L

P-H

0.08 0.15

P-P

Pin 6 terminated with 75Ω resistor

—

0.1

4.9

0.3

—

2, 4 pin

Pulse voltage, High

4.7

(Horizontal)

free-running frequency

No input signal, I = open

H-O

13.9 15.7

17.5

kHz

Capture range

Lock-in phase

∆f^CAP± 2.1 ± 2.9

—

kHz

µs

—

HPH – 1.0

+ 1.0

2pin

4pin

– 6pin

pulse width

10.5 11.5 12.5

µs

200

260

320

µs

᭺ Not designed for radiation resistance.

Measurement circuit

•

0.022µ

Video In

47µ

1µ

2200p

1µ

39k

1µ

VCC

470k

130k

100p

10k

V^CC

Fig. 7

Circuit operation

•

(1) Synchronization separation circuit

(3) Vertical synchronization separation circuit

When a video signal is input, synchronization signal

separation is done over the vertical synchronization

pulse interval.

Detects the charging current to a externally-connected

capacitor, and performs synchronization separation.

(2) Horizontal oscillation circuit

When a video signal is input, it is synchronized with

Hsync by the PLL. The horizontal free-running frequen-

cy is determined by external resistor R¹.

2.05E6

f^H-O=

[kHz]

R¹

1 234 5 6 7

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