Rainbow-electronics MAX13486E Bedienungsanleitung PDF herunterladen (Seite 5)

MAX13485E/MAX13486E

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

_______________________________________________________________________________________ 5

SWITCHING CHARACTERISTICS—MAX13486E (continued)

= +5V ±5%, T

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V

= +5V and T

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Receiver Enable to Output High t

RZH

Figure 8 50 ns

Receiver Enable to Output Low t

RZL

Figure 8 50 ns

Receiver Disable Time from High

RHZ

Figure 8 50 ns

Receiver Disable Time from Low

RLZ

Figure 8 50 ns

Receiver Enable from Shutdown

to Output High

RZH

(

SHDN

)

Figure 8

2200

Receiver Enable from Shutdown

to Output Low

RZL

(

SHDN

)

Figure 8

2200

Time to Shutdown t

SHDN

50 340

700

Note 1: µDFN devices production tested at +25°C. Overtemperature limits are generated by design.

Note 2: All currents into the device are positive. All currents out of the device are negative. All voltages referred to device ground,

unless otherwise noted.

Note 3: ∆V

and ∆V

are the changes in V

and V

when the DI input changes states.

Note 4: The short-circuit output current applied to peak current just prior to foldback current limiting. The short-circuit foldback

output current applies during current limiting to allow a recovery from bus contention.

Typical Operating Characteristics

= +5V, T

= +25°C, unless otherwise noted.)

3.0

3.2

3.6

3.4

3.8

4.0

-40 10-15 35 60 85

SUPPLY CURRENT vs. TEMPERATURE

MAX13485-86E toc01

TEMPERATURE (°C)

SUPPLY CURRENT (mA)

NO LOAD

021345

OUTPUT CURRENT vs. RECEIVER

OUTPUT HIGH VOLTAGE

MAX13485-86E toc02

OUTPUT HIGH VOLTAGE (V)

OUTPUT CURRENT (mA)

021345

OUTPUT CURRENT vs. RECEIVER

OUTPUT LOW VOLTAGE

MAX13485-86E toc03

OUTPUT LOW VOLTAGE (V)

OUTPUT CURRENT (mA)

1 2 3 4 5 6 7 8 9 10 ... 15 16

MAX13485E/MAX13486E 1
6, 8, 10L UDFN.EPS 16

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