sp3222eucy-tr Exar Corporation, sp3222eucy-tr Datasheet - Page 9

• Manufacturer Part Number: sp3222eucy-tr
• Description: Sp3232eh -3.3v, 460kbps Rs-232 Transceivers
• Manufacturer: Exar Corporation

Date: 04/25/06
Figure 11. SP3222EU/3232EU Driver Loopback Test Circuit
Figure 12. Driver Loopback Test All Drivers at 250kbps
OUTPUTS
INPUTS
LOGIC
LOGIC
C2
SP3222EU, SP3232EU 3.3V, 1000Kbps RS-232 Transceivers
C1
C5
+
+
+
0.1µF
0.1µF
0.1µF
C2-
TxIN
C1+
C2+
EN
C1-
RxOUT
SP3222EU
SP3232EU
V
V
GND
9
CC
CC
Figure 13. Driver Loopback Test One Driver 1Mbps
5kΩ
TxOUT
*SHDN
* SP3222EB only
RxIN
250pF or 1000pF
V+
V-
V
C3
C4
CC
+
+
0.1µF
0.1µF
© Copyright 2006 Sipex Corporation