MM1501 查看數據表（PDF） - Mitsumi
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MM1501 Datasheet PDF : 14 Pages
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MITSUMI
Video Switch · 75Ω driver · Y/C mix MM1501
· Measurement Procedures (MM1505 ~ MM1508)
Consumption current
Voltage gain
Frequency characteristic
Differential gain
Differential phase
Output dynamic range
Output offset voltage
Cross talk
SW input voltage
ICC
Connect a DC ammeter to VCC pin and measure. Hereafter, short
the ammeter to use.
Input a 2.0VP-P(1.0VP-P for MM1506 and MM1508), 100kHz sine
GV
wave to SG1. If TP1 voltage is V1 and TP3 voltage is V2, find GV
using the following formula:
GV = 20LOG (V2/V1) dB
fc
In the above GV measurement, if TP3 voltage at 7MHz is V3, find fc
as follows:
fc = 20LOG (V3/V2) dB
Input a 2.0VP-P (1.0VP-P for MM1506 and MM1508) staircase to SG1
DG and measure differential gain at TP3.
APL = 10 ~ 90%
DP The same as for DG, but measure differential phase.
Input a 100kHz sine wave to SG1. Change the amplitude of the sine
VD
wave, and measure VD, the maximum amplitude under THD 1%, at TP3.
VOFF Measure the DC voltage difference of each switch status at TP2.
VC1 = 2.1V and VC2 = 0.7V. Input a 2.0VP-P, 4.43MHz sine wave to
SG1, and operate SW3. IF TP3 voltage when there is an output
CT
signal on the OUT pin is V4, and when there is no signal TP3
voltage is V5, then find CT by the following formula:
CT = 20LOG (V5/V4) dB
Impress an optional DC voltage on TP6 and TP7. Gradually
VI
increase from VC1 = 0V. When TP7 voltage is output on TP2, TP5
voltage is VIH. Gradually lower from VC1 = VCC, and when TP6
voltage is output on TP2, TP5 voltage is VIL.
MM1509 ~ MM1510
· Switch Status
Item
Symbol
Switch status
S1 S2
Consumption current ICC1
2
1
Consumption current for PS ICC2
2
3
PS input voltage L
PS input voltage H
VIL
VIH
2
2
Voltage gain
GV
1
1
Item
Symbol
Switch status
S1 S2
Frequency characteristic fc
1
1
Differential gain
DG
1
1
Differential phase
DP
1
1
Output dynamic range VD
1
1
· Measurement Procedures
Consumption current
ICC1 Connect a DC ammeter to the VCC pin and measure.
Consumption current for PS ICC2 Connect a DC ammeter to the VCC pin and measure.
Connect a DC ammeter to the VCC pin. Gradually lower from VC1 =
VCC. VC1 voltage when consumption current is reduced from ICC1 to
PS input voltage
VI
110% of ICC2 is VIL. Gradually raise from VC1 = 0V. VC1 voltage
when consumption current increases from ICC2 to 90% of ICC1 is VIH.
From here on, short the ammeter when using it.
Input a 1.0VP-P, 100kHz sine wave to SG1. If TP1 voltage is V1 and
Voltage gain
GV
TP2 voltage is V2, find GV by the following formula:
GV = 20LOG (V2/V1) dB
Frequency characteristic
fc
In the above GV measurement, if TP2 voltage at 7MHz is V3, find fc
by the following formula.
fc = 20LOG (V3/V2) dB
Differential gain
DG
Input a 1.0VP-P staircase to SG1 and measure differential gain at
TP2.
APL = 10 ~ 90%
Differential phase
DP The same as for DG, but measure differential phase.
Output dynamic range
VD
Input a 100kHz sine wave to SG1. Measure DR, the maximum
amplitude under THD 1%, at TP2.
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