MM1507 datasheet(9/14 Pages) MITSUMI

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MITSUMI

Video Switch · 75

Ω driver · Y/C mix MM1501

·Measurement Procedures (MM1501 ~ MM1504)

Consumption current

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 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

Frequency characteristic

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

fc as follows:

fc = 20LOG (V3/V2) dB

Differential gain

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

and measure differential gain at TP3.

APL = 10 ~ 90%

Differential phase

The same as for DG, but measure differential phase.

Total harmonic distortion ratio

THD

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.

Output dynamic range

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.

Output offset voltage

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

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.

SW input voltage

Cross talk

Voltage gain

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