SP481E Datasheet, PDF (4/12 Pages) Sipex Corporation – Enhanced Low Power Half-Duplex RS-485 Transceivers

T_MIN to T_MAX and V_CC = +5.0V +/-5% unless otherwise noted.
PARAMETERS
MIN. TYP.
SP481E
Shutdown Timing
Time to Shutdown
50
200
Driver Enable from Shutdown
40
to Output High
Driver Enable from Shutdown
40
to Output Low
Receiver Enable from
300
Shutdown to Output High
Receiver Enable from
300
Shutdown to Output Low
POWER REQUIREMENTS
Supply Voltage V_CC
Supply Current
+4.75
SP481E/SP485E
No Load
900
600
SP481E
Shutdown Mode
ELECTRICAL CHARACTERISTICS
MAX. UNITS CONDITIONS
600
100
100
1000
1000
ns RE = 5V, DE = 0V
ns C_L = 100pF; See Figures 4 and 6;
S₂ Closed
ns C_L = 100pF; See Figures 4 and 6;
S₁ Closed
ns C_L = 15pF; See Figures 2 and 8; S₂
Closed
ns C_L = 15pF; See Figures 2 and 8; S₁
Closed
+5.25 Volts
µA RE, DI = 0V or V_CC; DE = V_CC
µA RE = 0V, DI = 0V or 5V; DE = 0V
10
µA DE = 0V, RE = V_CC
ENVIRONMENTAL AND MECHANICAL
Operating Temperature
Commercial (_C_)
0
Industrial (_E_)
-40
(_M_)
-40
Storage Temperature
-65
Package
Plastic DIP (_P)
NSOIC (_N)
70
ºC
+85
ºC
+125
ºC
+150
ºC
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP481E,485E_100_121808