Datasheet

ManualsBrandsLINEAR TECHNOLOGY ManualsInterface ICsInterface IC - transceivers RS422, RS485 1/1 SOIC 14

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LTC491

491fa

Figure 2. Driver/Receiver Timing Test Circuit

Figure 1. Driver DC Test Load

Figure 3. Receiver Timing Test Load

Figure 4. Driver Timing Test Load

TEST CIRCUITS

LTC491 • F01

Y

Z

R

R

V

OD2

V

OC

LTC491 • F02

DRIVER

D

Y

Z

RECEIVER

R

DIFF

A

B 15pF

C

L1

C

L2

R

LTC491 • F03

RECEIVER

OUTPUT

C

L

S1

1k

CC

V

S2

1k

LTC491 • F04

OUTPUT

UNDER TEST

C

L

S1

500

CC

V

Ω

S2