3

SP3483 DS/04

SP3483 Low Power Slew Rate Limited Half-Duplex RS485 Transceivers

© Copyright 2000 Sipex Corporation

T

PARAMETERS

MIN.

TYP.

MAX.

UNITS

CONDITIONS

RECEIVER

AC Characteristics

Maximum Data Rate

250

kbps

RE = 0V, DE = 0V

Receiver Input to Output, t

PLH

35

70

120

ns

Figures 6 and 11

Receiver Input to Output, t

PHL

35

70

120

ns

Figures 6 and 11

Differential Receiver Skew

50

ns

t

Figures 6 and 11

Receiver Enable to

Output Low

45

70

ns

Figures 7 and 12; S

Receiver Enable to

Output High

45

70

ns

Figures 7 and 12; S

Receiver Disable from Low

45

70

ns

Figures 7 and 12; S

Receiver Disable from High

45

70

ns

Figures 7 and 12; S

Shutdown Timing

Time to Shutdown

50

200

600

ns

RE = 5V, DE = 0V

Driver Enable from Shutdown

to Output High

2000

ns

Figures 4 and 10

Driver Enable from Shutdown

to Output Low

2000

ns

Figures 5 and 10

Receiver Enable from

Shutdown to Output High

2500

ns

Figures 7 and 12; S

Receiver Enable from

Shutdown to Output Low

2500

ns

Figures 7 and 12; S

POWER REQUIREMENTS

Supply Current

No Load

350

650

µA

RE, DI = 0V or V

250

µA

RE = 0V, DI = 0V or V

Shutdown Mode

10

µA

DE = 0V, RE=V

CC

SPECIFICATIONS (continued)