BH7657FS View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
BH7657FS Datasheet PDF : 17 Pages
| |||
BA7657F,BH7659FS
Technical Note
●Guaranteed design parameters
○BA7657F(Unless otherwise noted, Ta=25℃, Vcc=5.0V)
Parameter
Limits
Symbol
Unit
Min. Typ. Max.
〈Analog SW block〉
Input pin cross talk 2
CTI2 －
-30
-15
dB
Interblock cross talk 2
CTB2 －
-30
-15
dB
Frequency characteristic
Gf
-6
-3
-1
dB
Input pin frequency differential
△Gfl -1
0
+1
dB
Interblock frequency characteristic
differential
△GfB
-1
0
+1
dB
〈SYNC separation block〉
SYNC separation frequency
fH-R 200
－
－
kHz
SYNC separation pulse width 1
pwH1 3.0
－
－
µs
SYNC separation pulse width 2
pwH2 0.5
－
－
µs
SYNC separation pulse width 3
pwH3 0.3
－
－
µs
SYNC separation level 1
VS1 300
－
－
µs
SYNC separation level 2
VS2 100
－
－
µs
SYNC separation level 3
VS3
60
－
－
µs
〈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.
Conditions
f=230kHz, VIN=1VP-P
f=230MHz,VIN=1VP-P
f=1MHz/230MHz, VIN=1VP-P
f=1MHz/100MHz, VIN=1VP-P
f=1MHz/100MHz, VIN=1VP-P
Input waveform ※1
Input waveform ※2 fH=20kHz
Input waveform ※2 fH=100kHz
Input waveform ※2 fH=200kHz
Input waveform ※3 fH=20kHz
Input waveform ※3 fH=100kHz
Input waveform ※3 fH=200kHz
Period of horizontal synchronization signal
DUTY 25%
(1H)
Vr=0.7V
Vs=130mV
pwH=1µs
○BH7659FS(Unless otherwise noted, Ta=25℃, Vcc=5.0V)
Parameter
Symbol Min.
Limits
Typ.
〈R/G/B video SW〉
Frequency characteristics 1
f1
-3.0
0
Frequency characteristics 2
Interchannel relative frequency
characteristics
Interblock relative frequency
characteristics
Interchannel cross talk 1
f2
-6.0
-3
△fC -0.5
0
△fB -0.5
0
CTC1
－
-50
Interchannel cross talk 2
CTC2
－
-30
Interblock cross talk 1
CTB1
－
-50
Interblock cross talk 2
CTB2
－
-30
Max.
+1.0
-1.0
0.5
0.5
-35
-15
-35
-15
Unit
Conditions
dB f=50MHz
dB f=250MHz
dB f=50MHz
dB f=50MHz
dB f=50kHz
dB f=250MHz
dB f=50MHz
dB f=250MHz
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4/16
2011.04 - Rev.A
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