BA7657S 查看數據表（PDF） - ROHM Semiconductor

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BA7657S

Broadband Triple Circuits Video Signal Switchers

ROHM Semiconductor 

●Electrical characteristics (2/2)

BA7657S/F

Guaranteed design parameters

（Unless otherwise noted, Ta=25℃, Vcc=5.0V）

Parameter

Symbol Min.

Typ.

Max. Unit

Conditions

〈Analog SW block〉

Input pin cross talk 2

CTI2

―

-30

-15

dB f=230kHz, VIN=1VP-P

Interblock cross talk 2

CTB2

―

-30

-15

dB f=230MHz,VIN=1VP-P

Frequency characteristic

Gf

-6

-3

-1

dB f=1MHz/230MHz, VIN=1VP-P

Input pin frequency differential

△Gfl

-1

0

+1

dB f=1MHz/100MHz, VIN=1VP-P

Interblock frequency

characteristic differential

△GfB

-1

0

+1

dB f=1MHz/100MHz, VIN=1VP-P

〈SYNC separation block〉

SYNC separation frequency

fH-R

200

―

―

kHz Input waveform ※1

SYNC separation pulse width 1 pwH1

3.0

―

―

μS Input waveform ※2 fH=20kHz

SYNC separation pulse width 2 pwH2

0.5

―

―

μS Input waveform ※2 fH=100kHz

SYNC separation pulse width 3 pwH3

0.3

―

―

μS Input waveform ※2 fH=200kHz

SYNC separation level 1

VS1

300

―

―

μS Input waveform ※3 fH=20kHz

SYNC separation level 2

VS2

100

―

―

μS Input waveform ※3 fH=100kHz

SYNC separation level 3

VS3

60

―

―

μS Input waveform ※3 fH=200kHz

〈Input waveform〉

※1 VS and pwH are variable. VS and pwH are inter-related.

※2 VS = 130 mW and pwH are variable.

※3 pwH = 1 µs and VS are variable.

See the characteristics diagram.

Period of horizontal synchronization signal

DUTY 25%

(1H)

Vr=0.7V

Vs=130mV

pwH=1μs

3/16

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