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componentes Descripción

Fabricante

FSA221

USB2.0 High-Speed (480Mbps) and Audio Switches with Negative Signal Capability

Fairchild Semiconductor 

USB High-Speed-Related AC Electrical Characteristics

TA= -40°C to +85°C.

Symbol Parameter

VAUDIO /

VBUS(V)

Conditions

tSK(o)

Channel-to-Channel VAUDIO=3.0V tR=tF=750ps (10-90%) at 240MHz CL=0pF, RL=50Ω

Skew(9)

VBUS=4.25V Figure 17, Figure 18

tSK(P)

Skew of Opposite

Transitions of the

Same Output(9)

VAUDIO=3.0V tR=tF=750ps (10-90%) at 240MHz CL=0pF, RL=50Ω

VBUS=4.25V Figure 17, Figure 18

tJ

Total Jitter(9)

VAUDIO=3.0V RL=50Ω, CL=50pF, tR=tF=500ps (10-90%) at

VBUS=4.25V 480Mbps (PRBS=215 – 1)

Note:

9. Guaranteed by characterization, not production tested.

Typ. Unit

35

ps

35

130 ps

Capacitance

TA= -40°C to +85°C.

Symbol

Parameter

CIN (ASel)

Control Pin Input

Capacitance (ASel)

CON(D+/R, D-/L)

D+/R, D-/L (Source Port)

On Capacitance

COFF(D+, D-)

COFF(R/L)

USB Input Source

Off Capacitance

Audio Input Source

Off Capacitance

VAUDIO / VBUS(V)

Condition

VAUDIO=3.0V, VBUS=4.25V

VAUDIO=3.0V, VBUS=4.25V,

ASel=0V (CONUSB)

VAUDIO=3.0V, VBUS=4.25V,

ASel=3.0V (CONAudio)

VAUDIO=3.0V, VBUS=4.25V,

ASel=3.0V

VAUDIO=3.0V, VBUS=4.25V,

ASel =0V

VBias=0.2V

VBias=0.2V, f=240MHz,

Figure 23

VBias=0.2V, f=1MHz,

Figure 23

f=1MHz, Figure 22

f=1MHz, Figure 22

Typ. Unit

2.0 pF

4.5

pF

9.0

1.5 pF

3.0 pF

© 2006 Fairchild Semiconductor Corporation

FSA221 • Rev. 1.1.0

7

www.fairchildsemi.com

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