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SP3223ECY-L Datasheet, PDF (3/20 Pages) Exar Corporation – Intelligent 3.0V to 5.5V RS-232 Transceivers
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX.
Typical values apply at VCC = +3.3V or +5.0V and TAMB = 25°C (Note 2).
PARAMETER
Driver Outputs
Output Voltage Swing
MIN.
+/-5.0
TYP.
+/-5.4
MAX.
UNITS
V
CONDITIONS
All Driver outputs loaded with 3kΩ
to GND, TAMB = +25ºC
Output Resistance
300
Ω Vcc = V+ = V- = 0V, Vout = +/-2V
Output Short-Circuit Current
+/-35 +/-60 mA Vout = 0V
Output Leakage Current
+/-25
µA Vcc = 0V or 3.0V to 5.5V, Vout =
+/-12V, Driver disabled
RECEIVER INPUTS
-15
+15
V
Input Voltage Range
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 Drivers
200
Enabled (tONLINE)
Receiver Positive or Negative
0.5
Threshold to STATUS HIGH
(tSTSH)
Receiver Positive or Negative
20
Threshold to STATUS LOW
(tSTSL)
V
IOUT = 1.6mA
V
IOUT = -1.0mA
µs Figure 15
µs Figure 15
µs Figure 15
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 • (510)668-7017 • www.exar.com

SP3223E/EB/EU_101_062712