SP339E
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
REV. 1.0.3
ELECTRICAL CHARACTERISTICS (Continued)
U NLESS OTHERWISE NOTED :
V CC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1 F; T A = T MIN to T MAX . Typical values are at V CC = 3.3V, T A = +25°C.
S YMBOL
P ARAMETERS
M IN .
T YP .
M AX .
U NITS
C ONDITIONS
SINGLE-ENDED RECEIVER INPUTS (RS-232)
V IN
Input Voltage Range
-15
+15
V
V IL
Input Threshold Low
0.6
0.8
1.2
1.5
V
V
V CC = 3.3V
V CC = 5.0V
V IH
V HYS
Input Threshold High
Input Hysteresis
1.5
1.8
0.3
2.0
2.4
V
V
V
V CC = 3.3V
V CC = 5.0V
R IN
Input Resistance
3
5
7
k
-15V
V IN
+15V
SINGLE-ENDED DRIVER OUTPUTS (RS-232)
V O
Output Voltage Swing
±5.0
±5.5
±7.0
V
V
Output loaded with 3k
No load output
to Gnd
I SC
Short Circuit Current
±60
mA
V O = 0V
R OFF
Power Off Impedance
300
10M
V CC = 0V, V O = ±2V
6
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