MAX9546 データシートの表示（PDF） - Maxim Integrated

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MAX9546

Differential Video Interface Chipset

Maxim Integrated 

MAX9546/MAX9547

Differential Video Interface Chipset

IEC 1000-4-2

The IEC 1000-4-2 standard covers ESD testing and per-

formance of finished equipment; it does not specifically

refer to integrated circuits (Figure 7).

The major difference between tests done using the

Human Body Model and IEC 1000-4-2 is higher peak

current in IEC 1000-4-2, because series resistance is

lower in the IEC 1000-4-2 model. Hence, the ESD with-

stand voltage measured to IEC 1000-4-2 is generally

lower than that measured using the Human Body Model.

Figure 8 shows the current waveform for the ±8kV IEC

1000-4-2 ESD Contact-Discharge test. The Air-Gap test

involves approaching the device with a charged probe.

The Contact-Discharge method connects the probe to the

device before the probe is energized.

RC

50Ω to 100Ω

RD

330W

CHARGE-CURRENT-

LIMIT RESISTOR

DISCHARGE

RESISTANCE

HIGH-

VOLTAGE

DC

SOURCE

Cs

150pF

STORAGE

CAPACITOR

DEVICE

UNDER

TEST

I

100%

90%

Figure 7.IEC 1000-4-2 ESD Test Model

10%

t

tr = 0.7ns TO 1ns

30ns

60ns

Figure 8. IEC 1000-4-2 ESD Generator Current Waveform

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