LTC1483CS8 datasheet(5/8 Pages) LINER

Numer części	LTC1483CS8

Szczegółowy opis	Ultra-Low Power RS485 Low EMI Transceiver with Shutdown

PDF	8 Pages

Scroll/Zoom	100%

Producent	LINER [Linear Technology]

Strona internetowa	http://www.linear.com

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5 / 8 page

LTC1483

TEST CIRCUITS

SWITCHI G TI E WAVEFOR S

RDIFF

CL1

CL2

15pF

LTC1483 • F03

Figure 3. Driver/ Receiver Timing Test Circuit

Figure 4. Driver Timing Test Load

OUTPUT

UNDER TEST

VCC

500

Ω

LTC1483 • F04

VOD

VOC

LTC1483 • F01

RECEIVER

OUTPUT

CRL

TEST POINT

VCC

LTC1483 • F02

Figure 1. Driver DC Test Load

Figure 2. Receiver Timing Test Load

Figure 6. Driver Enable and Disable Times

1.5V

2.3V

tZH(SHDN), tZH

tZL(SHDN), tZL

1.5V

tLZ

0.5V

tHZ

OUTPUT NORMALLY LOW

OUTPUT NORMALLY HIGH

VOL

VOH

A, B

LTC1483 • F06

tr ≤ 10ns, tf ≤ 10ns

Figure 5. Driver Propagation Delays

1.5V

tPLH

tSKEW

1/2 VO

tr ≤ 10ns, tf ≤ 10ns

90%

10%

–VO

90%

1.5V

tPHL

tSKEW

1/2 VO

10%

VDIFF = V(A) – V(B)

LTC1483 • F05

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