SP339E Datasheet, PDF (6/21 Pages) Exar Corporation – RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION

SP339E
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
ELECTRICAL CHARACTERISTICS (Continued)
REV. 1.0.0
UNLESS OTHERWISE NOTED:
V_CC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1µF; T_A = T_MIN to T_MAX. Typical values are at V_CC = 3.3V, T_A = +25°C.
SYMBOL
PARAMETERS
MIN. TYP. MAX. UNITS
CONDITIONS
SINGLE-ENDED RECEIVER INPUTS (RS-232)
V_IN
Input Voltage Range
V_IL
Input Threshold Low
V_IH
V_HYS
R_IN
Input Threshold High
Input Hysteresis
Input Resistance
-15
+15 V
0.6 1.2
0.8 1.5
1.5 2.0
1.8 2.4
V V_CC = 3.3V
V V_CC = 5.0V
V V_CC = 3.3V
V V_CC = 5.0V
0.3
V
3
5
7
kΩ -15V ≤ V_IN ≤ +15V
SINGLE-ENDED DRIVER OUTPUTS (RS-232)
V_O
Output Voltage Swing
I_SC
R_OFF
Short Circuit Current
Power Off Impedance
±5.0 ±5.5
V Output loaded with 3kΩ to Gnd
±7.0 V No load output
±60 mA V_O = 0V
300 10M
Ω V_CC = 0V, V_O = ±2V
6