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SP3224E Datasheet, PDF (3/23 Pages) Sipex Corporation – 3.0V to 5.5V RS-232 Transceivers with Auto On-Line® Plus
ELECTRICAL SPECIFICATIONS
Unless otherwise noted VCC = +3.0V to +5.5V, TAMB = TMIN to TMAX,. Typical values are at TAMB = +25°C.
C1–C4 = 0.1μF tested at 3.3V ±10%. C1=0.047μF C2–C4 = 0.33μF tested at 5V ±10%.
Parameters
Symb
Test Conditions
Min. Typ. Max.
Driver Outputs
Output Voltage Swing
Vo Output load = 3kΩ to GND
±5.0 ±6.0
V
Output load = Open Circuit
±15.0
Short Circuit Current
Vout = 0V
±60
mA
Power-Off Impedance
Vcc=V+ = V- = 0
300 10M
Ω
transmitter outputs= ±2V
Output Leakage Current
Vcc = 0 or 3V to 3.3V, Vout
= ±12V, Drivers disabled
±25
μA
Receiver Inputs
Input Voltage Range
-15
15
V
Input Threshold Low
Vcc = 3.3V
0.6
1.2
V
Vcc = 5.0V
0.8
1.5
Input Threshold High
Vcc = 3.3V
1.5
2.4
V
Vcc = 5.0V
1.8
2.4
Input Hysteresis
500
mV
Input Resistance
3
5
7
kΩ
ESD Protection
ESD Protection for R_In, T_Out pins
Human Body Model
±15
kV
All Other Pins
Human Body Model
Auto On-line® Plus (ONLINE = GND, SHUTDOWN = Vcc)
±2
kV
Rx Input Threshold to STATUS output high
±2.7
V
Rx Input Threshold to STATUS output low
±0.3
V
Threshold to STATUS high
tsth
0.5
μs
Threshold to STATUS low
tstl
30
μs
Rx or Tx transition to drivers enabled
tonline Note 3
100
μs
Last Rx or Tx transition to drivers disabled
toffline Note 2, 3
15
30
Note 3: A transmitter/receiver edge is defined as a transition through input logic thresholds.
60
sec
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3224E,3225E,3226E,3227E_101_081711