Rainbow-electronics MAX7461 Manual do Utilizador descarregar pdf (Página 3)

MAX7461

Loss-of-Sync Alarm

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500mV/div

t = 10ms/div

CVSB LOS ALERT TRANSIENT

MAX7461 toc01

LOS

5V/div

3.0

2.5

2.0

1.5

1.0

4.5 4.94.7 5.1 5.3 5.5

LOS DETECT TIME

vs. SUPPLY VOLTAGE

MAX7461 toc02

SUPPLY VOLTAGE (V)

TIME (ms)

4.0

3.5

3.0

2.5

2.0

4.5 4.94.7 5.1 5.3 5.5

LOS RELEASE TIME

vs. SUPPLY VOLTAGE

MAX7461 toc03

SUPPLY VOLTAGE (V)

TIME (ms)

0.20

0.15

0.10

0.05

4.5 4.94.7 5.1 5.3 5.5

SYNC HEIGHT LOS ALERT THRESHOLD

vs. SUPPLY VOLTAGE

MAX7461 toc04

SUPPLY VOLTAGE (V)

SYNC HEIGHT (V)

1.6

1.8

1.7

1.9

2.0

-40 0-20 20 40 60 80

SUPPLY CURRENT

vs. TEMPERATURE (CVBS INPUT)

MAX7461 toc05

TEMPERATURE (°C)

(mA)

Typical Operating Characteristics

= 5V, GND = 0, C

= 0.1µF, RO = 10kΩ, T

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7

Loss-of-Sync Alarm 1

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