MM1501 データシートの表示（PDF） - Mitsumi

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MM1501

Video Switch · 75Ω driver · Y/C mix Monolithic IC

Mitsumi 

MITSUMI

Video Switch · 75Ω driver · Y/C mix MM1501

·Measurement Procedures (MM1501 ~ MM1504)

Consumption current

ICC

Voltage gain

GV

Frequency characteristic

fc

Differential gain

DG

Differential phase

Total harmonic distortion ratio

DP

THD

Output dynamic range

VD

Output offset voltage

VOFF

Cross talk

CT

SW input voltage

VI

Connect a DC ammeter to VCC pin and measure. Hereafter, short

the ammeter to use.

Input a 2.0VP-P (1.0VP-P for MM1502 and MM1504), 100kHz sine

wave to SG1. If TP1 voltage is V1 and TP3 voltage is V2, find Gv

using the following formula:

GV = 20LOG (V2/V1) dB

In the above Gv measurement, if TP3 voltage at 10MHz is V3, find

fc as follows:

fc = 20LOG (V3/V2) dB

Input a 2.0VP-P (1.0VP-P for MM1502 and MM1504) staircase to SG1

and measure differential gain at TP3.

APL = 10 ~ 90%

The same as for DG, but measure differential phase.

Input a 2.5VP-P (1.25VP-P for MM1502, MM1504), 1kHz sine wave to

SG1, connect a distortion factor meter to TP3 and measure.

Input a 100kHz sine wave to SG1. Change the amplitude of the sine

wave, and measure VD, the maximum amplitude under THD 1%, at

TP3.

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

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 TP5 and TP6. Gradually

increase from VC1 = 0V. When TP6 voltage is output on TP2, TP4

voltage is VIH. Gradually lower from VC1 = VCC, and when TP5

voltage is output on TP2, TP4 voltage is VIL.

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