DocID025277 Rev 1

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USBULC6-2F4

Characteristics

8

Figure 4. Eye diagram, board only (according to

USB 2.0 high speed specification)

Figure 5. Eye diagram, board with

USBULC6-2F4 (according to USB 2.0 high

speed specification)

Figure 6. ESD response to IEC 61000-4-2 (+8 kV

Figure 7. ESD response to IEC 61000-4-2 (-8 kV

contact discharge)(1)

1. Test board connected with a 50 Ohm cable and 20 dB + 20 dB attenuator to an oscilloscope on 50 Ohm input. ESD

generator return path connected to PCB ground plane.

20 V/div

V : ESD peak voltage

V :clamping voltage @ 30 ns

V :clamping voltage @ 60 ns

PP

CL

CL

V :clamping voltage @ 100 ns

CL

1

2

3

4

20 ns/div

118.7 V

16.6 V

9.2 V

1

4

3

10 V/div

20 ns/div

V : ESD peak voltage

V :clamping voltage @ 30 ns

V :clamping voltage @ 60 ns

PP

CL

CL

V :clamping voltage @ 100 ns

CL

2

3

4

-5.2 V

3

1

1

-80.8 V

Figure 8. Junction capacitance versus

frequency (typical values)

Figure 9. Analog crosstalk versus frequency

(typical values)

C (pF)

F (MHz)

1

10

100

1000

1.5

1.0

0.5

0.0

A1 / A2

A1 and A2 / GND

T = 25° C

V

= 30 mV

j

OSC

dB

100k

1M

10M

100M

1G

10G

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

F (Hz)

I1-02