SP3223EA Просмотр технического описания (PDF) - Signal Processing Technologies
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SP3223EA Datasheet PDF : 23 Pages
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SPECIFICATIONS (continued)
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.
PARAMETER
MIN. TYP. MAX. UNITS CONDITIONS
TIMING CHARACTERISTICS
Maximum Data Rate
120 235
Receiver Propagation Delay
tPHL
0.3
tPLH
0.3
Receiver Output Enable Time
200
Receiver Output Disable Time
200
Driver Skew
100
Receiver Skew
200
Transition-Region Slew Rate
500
1000
30
kbps RL = 3KΩ, CL = 1000pF, one driver active
µs Receiver input to Receiver output, CL = 150pF
ns Normal operation
ns Normal operation
ns
ns
V/µs
| tPHL - tPLH |, TAMB = 25oC
| tPHL - tPLH |
VCC= 3.3V, RL = 3KΩ, TAMB = 25oC,
measurements taken from -3.0V to +3.0V or
+3.0V to -3.0V
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for VCC = +3.3V, 120Kbps data rate, all drivers
loaded with 3KΩ, 0.1µF charge pump capacitors, and TAMB = +25°C.
14
6
12
4
10
2
Vout+
Vout-
8
0
6
0
500
1000
1500
-2
4
+Slew
-Slew
-4
2
-6
Load Capacitance [pF]
Figure 1. Transmitter Output Voltage VS. Load
Capacitance for the SP3223
0
0
500
1000
1500
2000
Load Capacitance [pF]
Figure 2. Slew Rate VS. Load Capacitance for the
SP3223
Rev. 6/30/03
SP3223 +3.0V to +5.5V RS-232 Transceivers
4
© Copyright 2003 Sipex Corporation
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