SP3223ECY-L Datasheet, PDF (7/20 Pages) Exar Corporation – Intelligent 3.0V to 5.5V RS-232 Transceivers

TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for V_CC = +3.3V, 1000Kbps data rate, all
drivers loaded with 3kΩ, 0.1µF charge pump capacitors, and T_AMB = +25°C.
200
150
100
50
0
0
T1 at 500Kbps
T2 at 31.2Kbps
All TX loaded 3K // CLoad
250 500 1000 1500 2000
Load Capacitance (pF)
Figure 7. Transmitter Skew VS. Load Capacitance
for the SP3223EU
6
4
2
0
-2
-4
-6
2.7
1Driver at 1Mbps
Other Drivers at 62.5Kbps
All Drive rs Loaded with 3K // 250pF
3
3.5
4
4.5
5
S_Sup_up_pl_py_lyV_Vo_olt_la_tag_ge_e(₍V_V)₎
Figure 8. Transmitter Output Voltage VS. Supply
Voltage for the SP3223EU
6
4
T1 at 1Mbps
2
T2 at 62.5Kbps
0
-2
-4
-6
0
250
500
1000
Load Capacitance (pF)
1500
Figure 9. Transmitter Output Voltage VS. Load
Capacitance for the SP3223EU
35
30
25
20
15
T1 at 1Mbps
10
T2 at 62.5Kbps
5
0
0
250
500
1000
1500
Load Capacitance (pF)
Figure 10. Supply Current VS. Load Capacitance for
the SP3223EU
20
15
10
T1 at 1Mbps
T2 at 62.5Kbps
All Drive rs loaded
5
with 3K//250pF
0
2.7
3
3.5
4
4.5
5
S_Sup_up_pl_py_lyV_Vo_olt_la_tag_ge_e(V_(V)₎
Figure 11. Supply Current VS. Supply Voltage for
the SP3223EU
6
4
2
T1 at 1Mbps
0
T2 at 62.5Kbps
All Drive rs loaded
-2
with 3K//250pF
-4
-6
2.7
3
3.5
4
4.5
5
S_Su_up_pp_ply_lyV_Vo_ol_lt_ta_ag_ge_e (₍V_V)₎
Figure 12. Transmitter Output Voltage VS. Supply
Voltage for the SP3223EU
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

SP3223E/EB/EU_101_062712