SP3483 Ver la hoja de datos (PDF) - Exar Corporation

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SP3483

+3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver

Exar Corporation 

TMIN to TMAX and VCC = +3.3V +/-5% unless otherwise noted.

PARAMETERS

MIN. TYP.

Shutdown Timing

Time to Shutdown

50

200

Driver Enable from Shutdown

to Output High

Driver Enable from Shutdown

to Output Low

Receiver Enable from

Shutdown to Output High

Receiver Enable from

Shutdown to Output Low

POWER REQUIREMENTS

Supply Current

No Load

1000

800

Shutdown Mode

ELECTRICAL CHARACTERISTICS

MAX. UNITS CONDITIONS

600

2000

2000

2500

2500

ns RE = 5V, DE = 0V

ns Figures 4 and 11

ns Figures 5 and 11

ns Figures 7 and 13; S2 Closed, S1

open

ns Figures 7 and 13; S1 Closed, S2

open

2000

1500

10

µA RE, DI = 0V or VCC; DE = VCC

µA RE = 0V, DI = 0V or 5V; DE = 0V

µA DE = 0V, RE = VCC

PIN FUNCTION

Pin 1 - RO - Receiver Output

Pin 2 - RE - Receiver Output Enable Active LOW

Pin 3 - DE - Driver Output Enable Active HIGH

Pin 4 - DI - Driver Input

Pin 5 - GND - Ground Connection

Pin 6 - A - Driver Output / Receiver Input

Non-Inverting

Pin 7 - B - Driver Output / Receiver Input Inverting

Pin 8 - Vcc - Positive Supply

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



SP3483_100_010912

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