SP2209E Datasheet, PDF (6/15 Pages) Sipex Corporation – High ESD Dual Port RS-232 Transceiver

+12V
+
0.1µF
+
0.1µF
C1
11 C+
29 C-
10
VDD
9
STBY
SP2209E V- ³⁰
C2
GND ²⁸
+3.3V
+
0.1µF
0.1µF
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
8 ^T1^{INA 400KΩ}
7 ^T2^{INA 400KΩ}
6 ^T3^{INA 400KΩ}
5 ^R1^OUTA
4 ^R2^OUTA
3 ^R3^OUTA
2 ^R4^OUTA
1 ^R5OUTA
T₁OUTA ₃₁
T₂OUTA ₃₂
T₃OUTA ₃₃
R₁INA ₃₄
5KΩ
R₂INA ₃₅
5KΩ
R₃INA ₃₆
5KΩ
R₄INA ₃₇
5KΩ
R₅INA ₃₈
5KΩ
RS-232
OUTPUTS
RS-232
INPUTS
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
12 ^T1^{INB 400KΩ}
13 ^T2^{INB 400KΩ}
14 ^T3^{INB 400KΩ}
15 ^R1^OUTB
16 ^R2^OUTB
17 ^R3^OUTB
18 ^R4^OUTB
19 ^R5OUTB
T₁OUTB ₂₇
T₂OUTB ₂₆
T₃OUTB ₂₅
R₁INB ₂₄
5KΩ
R₂INB ₂₃
5KΩ
R₃INB ₂₂
5KΩ
R₄INB ₂₁
5KΩ
R₅INB ₂₀
5KΩ
RS-232
OUTPUTS
RS-232
INPUTS
Figure 2. SP2209E Typical Operating Circuit
SP2209E DS/06
SP2209E High ESD Dual Port RS-232 Transceivers
6
© Copyright 2000 Sipex Corporation