SP3483EN-L Datasheet, PDF (3/9 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.
DRIVER (continued)
AC Characteristics
Driver Enable to Output High
TYP.
700
Driver Enable to Output Low
690
Driver Disable Time from High
80
Driver Disable Time from Low
90
RECEIVER
DC Characteristics
Differential Input Threshold
-0.2
Input Hysteresis
20
Output Voltage High
Vcc-0.4
Output Voltage Low
Three-State ( High Impedance)
Output Current
Input Resistance
12
15
Input Current (A, B); V_IN = 12V
Input Current (A, B); V_IN = -7V
Short Circuit Current
7
RECEIVER
AC Characteristics
Max. Transmission Rate
250
Receiver Input to Output, t_RPLH
35
70
Receiver Input to Output, t_RPHL
35
70
Differential Receiver Skew
50
Receiver Enable to Output Low
45
Receiver Enable to Output High
45
Receiver Disable from LOW
45
Receiver Disable from High
45
ELECTRICAL CHARACTERISTICS
MAX. UNITS CONDITIONS
1300
1300
120
120
ns Figures 4 and 11,
ns Figures 5 and 11
ns Figures 5 and 11
ns Figures 4 and 11
+0.2
0.4
+/-1
+1.0
-0.8
60
Volts
mV
Volts
Volts
µA
-7V ≤ V_CM ≤ +12V
V_CM = 0V
I_O = -1.5mA, V_ID = +200mV
I_O = +2.5mA, V_ID = -200mV
0V ≤ V_O ≤ Vcc; RE = Vcc
kΩ -7V ≤ V_CM ≤ +12V
mA DE = 0V, V_CC = 0V or 3.6V,
V_IN = 12V
mA DE = 0V, V_CC = 0V or 3.6V,
V_IN = -7V
mA 0V ≤ V_CM ≤ V_CC
kbps RE = 0V, DE = 0V
120
ns Figures 6 and 12
120
ns Figures 6 and 12
ns |t_RPHL - t_RPLH|, Figures 6 and 12
70
ns Figures 7 and 13; S₁ Closed, S₂
open
70
ns Figures 7 and 13; S₂ Closed, S₁
open
70
ns Figures 7 and 13; S₁ Closed, S₂
open
70
ns Figures 7 and 13; S₂ Closed, S₁
open
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3483_100_010912