SP3221E_17 Datasheet, PDF (4/22 Pages) Exar Corporation – Intelligent +3.0V to +5.5V RS-232 Transceiver

ELECTRICAL CHARACTERISTICS
Unless otherwise noted, the following specifications apply for V_CC = +3.0V to +5.5V with T_AMB = T_MIN to T_MAX.
Typical values apply at V_CC = +3.3V or +5.0V and T_AMB = 25°C (Note 2).
PARAMETER
DRIVER OUTPUT
Output Voltage Swing
Output Resistance
MIN. TYP. MAX. UNITS CONDITIONS
+/-5.0 +/-5.4
300
V Driver output loaded with 3kΩ to
GND, T_AMB = +25ºC
Ω Vcc = V+ = V- = 0V, Vout = +/-2V
Output Short-Circuit Current
+/-60 mA Vout = 0V
Output Leakage Current
+/-25
µA Vcc = 0V or 3.0V to 5.5V,
Vout = +/-12V, Driver disabled
RECEIVER INPUT
Input Voltage Range
-15
+15
V
Input Threshold LOW
0.6
1.2
V Vcc = 3.3V
Input Threshold LOW
0.8
1.5
V Vcc = 5.0V
Input Threshold HIGH
1.5
2.4
V Vcc = 3.3V
Input Threshold HIGH
1.8
2.4
V Vcc = 5.0V
Input Hysteresis
0.3
V
Input Resistance
3
5
7
kΩ
AUTO ON-LINE® CIRCUITRY CHARACTERISTICS (ONLINE = GND, SHUTDOWN = Vcc)
STATUS Output Voltage LOW
0.4
STATUS Output Voltage HIGH Vcc - 0.6
Receiver Threshold to Driver
100
Enabled (t_ONLINE)
Receiver Positive or Negative
0.5
Threshold to STATUS HIGH
(t_STSH)
Receiver Positive or Negative
20
Threshold to STATUS LOW
(t_STSL)
V
I_OUT = 1.6mA
V
I_OUT = -1.0mA
µs Figure 13
µs Figure 13
µs Figure 13
NOTE 2: C1 - C4 = 0.1µF, tested at 3.3V ±10%.
C1 = 0.047µF, C2-C4 = 0.33µF, tested at 5V±10%.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com
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SP3221E_200_081816