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SP483ECP-L

Enhanced Low EMI Half-Duplex RS-485 Transceiver

Exar Corporation 

TMIN to TMAX and VCC = +5.0V +/-5% unless otherwise noted.

PARAMETERS

MIN. TYP.

SP483E

Shutdown Timing

Time to Shutdown

50

200

Driver Enable from Shutdown

to Output High

Driver Enable from Shutdown

to Output Low

Receiver Enable from

300

Shutdown to Output High

Receiver Enable from

300

Shutdown to Output Low

POWER REQUIREMENTS

Supply Voltage VCC

Supply Current

+4.75

No Load

900

600

Shutdown Mode

1

ENVIRONMENTAL AND MECHANICAL

Operating Temperature

Commercial (_C_)

0

Industrial (_E_)

-40

Storage Temperature

-65

Package

Plastic DIP (_P)

NSOIC (_N)

ELECTRICAL CHARACTERISTICS

MAX. UNITS CONDITIONS

600

2000

2000

2500

2500

ns RE = 5V, DE = 0V

ns CL = 100pF; See Figures 4 and 6;

S2 Closed

ns CL = 100pF; See Figures 4 and 6;

S1 Closed

ns CL = 15pF; See Figures 2 and 8; S2

Closed

ns CL = 15pF; See Figures 2 and 8; S1

Closed

+5.25 Volts

µA RE, DI = 0V or VCC; DE = VCC

µA RE = 0V, DI = 0V or 5V; DE = 0V

10

µA DE = 0V, RE = VCC

70

ºC

+85

ºC

+150

ºC

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com



SP483E_100_020912

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