Rainbow-electronics MAX13486E Manual do Utilizador descarregar pdf (Página 8)

MAX13485E/MAX13486E

Half-Duplex RS-485/RS-422 Transceivers in µDFN

8 _______________________________________________________________________________________

DIFF

Figure 1. Driver DC Test Load

DIFF

Figure 2. Driver Timing Test Circuit

1.5V

DPLH

DPHL

1/2 V

10%

90%

10%

90%

-V

DIFF

DSKEW

= |t

DPLH

- t

DPHL

DIFF

= V(A) - V(B)

HLt

f = 1MHz, t

≤ 3ns, t

≤ 3ns

Figure 3. Driver Propagation Delays

Test Circuits and Waveforms

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Rainbow-electronics MAX13486E Manual do Utilizador Página 8