SP332 datasheet(4/10 Pages) SIPEX

部件名	SP332

功能描述	RS-232/RS-485 Multi-Mode Serial Transceiver

PDF	10 Pages

Scroll/Zoom	100%

制造商	SIPEX [Sipex Corporation]

网页	http://www.sipex.com

标志

4 / 10 page

TGoddard/SP332/9617R0

SP332 RS-232/RS-485 Multi-Mode Serial Transceiver

VOD

VOC

Figure 1. RS-485 Driver DC Test Load Circuit

Figure 2. Receiver Timing Test Load Circuit

Figure 3. RS-485 Driver/Receiver Timing Test Circuit

Figure 4. RS-485 Driver Timing Test Load #2 Circuit

CRL

VCC

Test Point

Receiver

Output

CL1

CL2

RDIFF

15pF

VCC

500

Output

Under

Test

tPLH

tPHL

tPLH

tSKEW

f = 1MHz; tR ≤ 10ns; tF ≤ 10ns

1.5V

1/2VO

tSKEW

+3V

VO+

VO–

VA – VB

DRIVER

OUTPUT

DIFFERENTIAL

OUTPUT

Figure 6. RS-485 Driver Propagation Delays

Figure 7. RS-485 Receiver Propagation Delays

VOL

VOH

VOD2+

VOD2–

A – B

1.5V

tPHL

INPUT

OUTPUT

f = 1MHz; tR ≤ 10ns; tF ≤ 10ns

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