MM1238 Ver la hoja de datos (PDF) - Mitsumi
Número de pieza
componentes Descripción
Lista de partido
MM1238 Datasheet PDF : 6 Pages
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MITSUMI
3-Input 2-Output 3-Circuit Video Switch MM1238
Input impedance
VIN
RIN
LIN
Output impedance
VOUT
ROUT
LOUT
Crosstalk
VIN VOUT
RIN ROUT
LIN LOUT
VIN ROUT
VIN LOUT
Switch input voltage
SW input voltage H
SW input voltage L
Input dynamic range
VIN VOUT
RIN ROUT
RIV
RIR
RIL
VOV
VOR
VOL
CTVV
CTRR
CTLL
CTRV
CTLV
VIH
VIL
D1
D2
LIN LOUT
D3
VIN1~VIN3
RIN1~RIN3
LIN1~LIN3
15
kΩ
68
kΩ
68
kΩ
VOUT2
ROUT1 and ROUT2
LOUT1 and LOUT2
50
Ω
50
Ω
50
Ω
* SG2 : 1VP-P, 4.43MHz 1
* SG3 : 2.5VP-P, 1kHz 2
* SG1 : 2.5VP-P, 1kHz 3
* SG2 : 1VP-P, 100kHz 4
* SG2 : 1VP-P, 100kHz 5
-60 -50 dB
-80 -70 dB
-80 -70 dB
-70 -60 dB
-70 -60 dB
Switching H level for each IC SW 2.1
Switching L level for each IC SW
V
0.7 V
VCC=12V, SG1 : sine wave, 1kHz 2.6
VCC=12V, SG2 : sine wave, 1kHz
Total higher harmonic
2.0
distortion=0.5%
VCC=12V, SG3 : sine wave, 1kHz
Total higher harmonic
2.0
distortion=0.5%
VP-P
Vrms
Vrms
*1 Crosstalk (VIN VOUT)
Input a 1VP-P, 4.43MHz sine wave to SG2.
Obtain CTVV using the following formula given output amplitude for combinations other than those below
for SW control pin as VO1, and for the combinations below as VO2.
CTVV=20 log (VO2/VO1) dB
1. CTVV1
2. CTVV2
Switch status
Measuring pin
S2 V1 V2 V3 V4
A L L LH
AHL LH
A HH L H
BL LHL
TP8
B LHHL
BHHH L
C L LHH
C LHHH
CH L HH
Switch status
Measuring pin
S2 V1 V2 V3 V4
A LHL L
A LHHL
A LHHH
BHL L L
TP3
BHL LH
BH L HH
CHHL L
CHH L H
CHHH L
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