USBDFXXW5 datasheet(3/9 Pages) STMICROELECTRONICS

部件名	USBDFXXW5

功能描述	EMI FILTER AND LINE TERMINATION FOR USB DOWNSTREAM PORTS

PDF	9 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

3 / 9 page

USBDFxxW5

3/9

D+

Peripheral

transceiver

D-

CABLE

Host/Hub USB

port transceiver

D- (2)

D+ (1)

D+ (2)

D- (1)

(1) for a low-speed port

(2) for a full-speed port

+Vbus

Upstream port

Downstream port

USBDF

xxW5

USBUF

xxW6

APPLICATION EXAMPLE

Host or

Hub port

Twisted pair shielded

Zo = 90ohms

5m max

Hub 0 or

Full-speed function

Untwisted unshielded

3m max

FULL SPEED CONNECTION

LOW SPEED CONNECTION

+Vbus

D+

D-

D+

D-

D+

D-

D+

D-

1.5k

Hub 0 or

Low-speed function

Low-speed USB

Transceiver

Full-speed or

Low-speed USB

Transceiver

15k

Host or

Hub port

Full-speed or

Low-speed USB

Transceiver

15k

Full-speed USB

Transceiver

15k

Fig. A1: USB Standard requirements

APPLICATION INFORMATION

USBDFXXW5 数据表(PDF) 3 Page - STMicroelectronics

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