1
Rev. 11/07/02 SP3222E/3232E True +3.0 to +5.0V RS-232 Transceivers
Copyright 2001 Sipex Corporation
True +3.0V to +5.5V RS-232 Transceivers
SP3222E/3232E
DESCRIPTION
Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
Minimum 120Kbps Data Rate Under Full
Load
1
A Low-Power Shutdown with Receivers
Active (SP3222E)
Interoperable with RS-232 down to +2.7V
power source
Enhanced ESD Specifications:
15kV Human Body Model
15kV IEC1000-4-2 Air Discharge
8kV IEC1000-4-2 Contact Discharge
The SP3222E/3232E series is an RS-232 transceiver solution intended for portable or hand-
held applications such as notebook or palmtop computers. The SP3222E/3232E series has
a high-efficiency, charge-pump power supply that requires only 0.1
F capacitors in 3.3V
operation. This charge pump allows the SP3222E/3232E series to deliver true RS-232
performance from a single power supply ranging from +3.3V to +5.0V. The SP3222E/3232E
are 2-driver/2-receiver devices. This series is ideal for portable or hand-held applications such
as notebook or palmtop computers. The ESD tolerance of the SP3222E/3232E devices are
over
15kV for both Human Body Model and IEC1000-4-2 Air discharge test methods. The
SP3222E device has a low-power shutdown mode where the devices' driver outputs and
charge pumps are disabled. During shutdown, the supply current falls to less than 1
A.
SELECTION TABLE
L
E
D
O
M
s
e
i
l
p
p
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e
w
o
P
2
3
2
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n
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L
T
T
e
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a
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-
3
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t
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-
3
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3
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5
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0
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3
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2
2
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e
Y
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0
2
,
8
1
2
3
2
3
P
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V
5
.
5
+
o
t
V
0
.
3
+
2
2
4
o
N
o
N
6
1
Rev. 11/07/02 SP3222E/3232E True +3.0 to +5.0V RS-232 Transceivers
Copyright 2002 Sipex Corporation
2
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,
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=
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C
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3
=
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1
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7
0
6
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A
m
A
m
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V
T
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5
1
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5
2
A
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V
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C
C
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5
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=
NOTE 1: V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V.
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the
device at these ratings or any other above those indicated in
the operation sections of the specifications below is not
implied. Exposure to absolute maximum rating conditions
for extended periods of time may affect reliability and cause
permanent damage to the device.
V
CC
................................................................-0.3V to +6.0V
V+ (NOTE 1)................................................-0.3V to +7.0V
V- (NOTE 1)................................................+0.3V to -7.0V
V+ + |V-| (NOTE 1)....................................................+13V
I
CC
(DC V
CC
or GND current).................................
100mA
Input Voltages
TxIN, EN ................................................... -0.3V to +6.0V
RxIN ..........................................................................
15V
Output Voltages
TxOUT ......................................................................
15V
RxOUT ........................................... -0.3V to (V
CC
+ 0.3V)
Short-Circuit Duration
TxOUT ............................................................ Continuous
Storage Temperature .............................. -65
C to +150C
Power Dissipation Per Package
20-pin SSOP (derate 9.25mW/
o
C above +70
o
C) ..... 750mW
18-pin PDIP (derate 15.2mW/
o
C above +70
o
C) .... 1220mW
18-pin SOIC (derate 15.7mW/
o
C above +70
o
C) ... 1260mW
20-pin TSSOP (derate 11.1mW/
o
C above +70
o
C) .. 890mW
16-pin SSOP (derate 9.69mW/
o
C above +70
o
C) ..... 775mW
16-pin PDIP (derate 14.3mW/
o
C above +70
o
C) .... 1150mW
16-pin Wide SOIC (derate 11.2mW/
o
C above +70
o
C) 900mW
16-pin TSSOP (derate 10.5mW/
o
C above +70
o
C) .. 850mW
16-pin nSOIC (derate 13.57mW/
C above +70C) .. 1086mW
SPECIFICATIONS
Unless otherwise noted, the following specifications apply for V
CC
= +3.0V to +5.0V with T
AMB
= T
MIN
to T
MAX
3
Rev. 11/07/02 SP3222E/3232E True +3.0 to +5.0V RS-232 Transceivers
Copyright 2001 Sipex Corporation
R
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0
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1
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=
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=
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0
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3
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t
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SPECIFICATIONS (continued)
Unless otherwise noted, the following specifications apply for V
CC
= +3.0V to +5.0V with T
AMB
= T
MIN
to T
MAX
.
Typical Values apply at V
CC
= +3.3V or +5.0V and T
AMB
= 25
o
C.
NOTE 2: Driver input hysteresis is typically 250mV.
Rev. 11/07/02 SP3222E/3232E True +3.0 to +5.0V RS-232 Transceivers
Copyright 2002 Sipex Corporation
4
Figure 1. Transmitter Output Voltage VS. Load
Capacitance for the SP3222 and the SP3232
Figure 2. Slew Rate VS. Load Capacitance for the
SP3222 and the SP3232
Figure 3. Supply Current VS. Load Capacitance when
Transmitting Data for the SP3222 and the SP3232
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for V
CC
= +3.3V, 120kbps data rates, all drivers
loaded with 3k
, 0.1F charge pump capacitors, and T
AMB
= +25
C.
14
12
10
8
6
4
2
0
Sle
w Rate [V/
s]
Load Capacitance [pF]
+Slew
-Slew
0
500
1000
1500
2000
2330
50
45
40
35
30
25
20
15
10
5
0
Suppl
y Current [mA]
Load Capacitance [pF]
118KHz
60KHz
10KHz
0
500
1000
1500
2000
2330
6
4
2
0
-2
-4
-6
T
ransmitter Output
V
o
lta
g
e
[V]
Load Capacitance [pF]
Vout+
Vout-
500
1000
1500
2000
0
5
Rev. 11/07/02 SP3222E/3232E True +3.0 to +5.0V RS-232 Transceivers
Copyright 2001 Sipex Corporation
E
M
A
N
N
O
I
T
C
N
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F
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N
N
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t
e
v
i
t
a
g
e
N
6
6
5
-
V
.
p
m
u
p
e
g
r
a
h
c
e
h
t
y
b
d
e
t
a
r
e
n
e
g
V
5
.
5
-
7
7
6
T
U
O
1
T
.
t
u
p
t
u
o
r
e
v
i
r
d
2
3
2
-
S
R
5
1
7
1
4
1
T
U
O
2
T
.
t
u
p
t
u
o
r
e
v
i
r
d
2
3
2
-
S
R
8
8
7
N
I
1
R
.
t
u
p
n
i
r
e
v
i
e
c
e
r
2
3
2
-
S
R
4
1
6
1
3
1
N
I
2
R
.
t
u
p
n
i
r
e
v
i
e
c
e
r
2
3
2
-
S
R
9
9
8
T
U
O
1
R
.
t
u
p
t
u
o
r
e
v
e
i
c
e
r
S
O
M
C
/
L
T
T
3
1
5
1
2
1
T
U
O
2
R
.
t
u
p
t
u
o
r
e
v
e
i
c
e
r
S
O
M
C
/
L
T
T
0
1
0
1
9
N
I
1
T
.
t
u
p
n
i
r
e
v
i
r
d
S
O
M
C
/
L
T
T
2
1
3
1
1
1
N
I
2
T
.
t
u
p
n
i
r
e
v
i
r
d
S
O
M
C
/
L
T
T
1
1
2
1
0
1
D
N
G
.
d
n
u
o
r
G
6
1
8
1
5
1
V
C
C
e
g
a
t
l
o
v
y
l
p
p
u
s
V
5
.
5
+
o
t
V
0
.
3
+
7
1
9
1
6
1
N
D
H
S
.
n
o
i
t
a
r
e
p
o
e
c
i
v
e
d
l
a
m
r
o
n
r
o
f
H
G
I
H
e
v
i
r
D
.
t
u
p
n
I
l
o
r
t
n
o
C
n
w
o
d
t
u
h
S
-
n
o
e
h
t
d
n
a
)
t
u
p
t
u
o
Z
-
h
g
i
h
(
s
r
e
v
i
r
d
e
h
t
n
w
o
d
t
u
h
s
o
t
W
O
L
e
v
i
r
D
.
y
l
p
p
u
s
r
e
w
o
p
d
r
a
o
b
8
1
0
2
-
.
C
.
N
.
t
c
e
n
n
o
C
o
N
-
4
1
,
1
1
-
Table 1. Device Pin Description
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