SP3483EN-L Datasheet, PDF (4/9 Pages) Exar Corporation – +3.3V Low Power Slew Rate Limited Half-Duplex RS-485 Transceiver

T_MIN to T_MAX and V_CC = +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 V_CC; DE = V_CC
µA RE = 0V, DI = 0V or 5V; DE = 0V
µA DE = 0V, RE = V_CC
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