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SP3222E Datasheet Preview

SP3222E Datasheet

True +3.0V to +5.5V RS-232 Transceivers

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SP3222E / SP3232E
True 3.0V to 5.5V RS-232 Transceivers
Description
The SP3222E and SP3232E series are RS-232 transceiver solutions
intended for portable or hand-held applications such as notebook
or palmtop computers. The SP3222E / SP3232E series has a high-
efficiency, charge-pump power supply that requires only 0.1µF
capacitors in 3.3V operation. This charge pump allows the SP3222E
/ SP3232E series to deliver true RS-232 performance from a single
power supply ranging from 3.0V to 5.5V. The SP3222E / SP3232E
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 / SP3232E devices are over ±15kV
for both Human Body Model and IEC61000-4-2 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 1µA.
FEATURES
■■ Meets true EIA/TIA-232-F standards from
a 3.0V to 5.5V power supply
■■ Minimum 120kbps data rate under full load
■■ 1μA low power shutdown with receivers
active (SP3222E)
■■ Interoperable with RS-232 down to a 2.7V
power source
■■ Enhanced ESD specifications:
±15kV Human Body Model
±15kV IEC61000-4-2 Air Discharge
±8kV IEC61000-4-2 Contact
Discharge
Ordering Information - Page 21
Typical Applications
VCC
+
C5 0.1µF
+
C1 0.1µ F
+
C2 0.1µF
2 C1+
4 C1-
5 C2+
6 C2-
19
VCC
SP3222E
SSOP
TSSOP
V+ 3
+
*C3 0.1µF
V- 7
C4 0.1µF
+
LOGIC
INPUTS
13 T1IN
12 T2IN
T1OUT 17
T2OUT 8
RS-232
OUTPUTS
VCC
+
C5 0.1µF
+
C1 0.1µF
+
C2 0.1µF
2 C1+
4 C1-
5 C2+
6 C2-
17
VCC
SP3222E
SOIC
V+ 3
+
*C3 0.1µF
V- 7
C4 0.1µF
+
LOGIC
INPUTS
12 T1IN
11 T2IN
T1OUT 15
T2OUT 8
RS-232
OUTPUTS
LOGIC
OUTPUTS
15 R1OUT
10 R2OUT
1 EN
R1IN 16
5kΩ
R2IN 9
5kΩ
RS-232
INPUTS
SHDN 20
GND
18
*can be returned to
either VCC or GND
VCC
+
C5 0.1µF
+
C1 0.1µF
+
C2 0.1µF
1 C1+
3 C1-
4 C2+
5 C2-
16
VCC
SP3232E
LOGIC
OUTPUTS
V+ 2
+
*C3 0.1µF
V- 6
C4 0.1µF
+
LOGIC
INPUTS
11 T1IN
10 T2IN
T1OUT 14
T2OUT 7
RS-232
OUTPUTS
13 R1OUT
10 R2OUT
1 EN
R1IN 14
5kΩ
R2IN 9
5kΩ
RS-232
INPUTS
SHDN 18
GND
16
*can be returned to
either VCC or GND
LOGIC
OUTPUTS
12 R1OUT
9 R2OUT
R1IN 13
5kΩ
R2IN 8
5kΩ
RS-232
INPUTS
GND
15
*can be returned to
either VCC or GND
REV 1.0.2
1/22




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SP3222E Datasheet Preview

SP3222E Datasheet

True +3.0V to +5.5V RS-232 Transceivers

No Preview Available !

SP3222E / SP3232E
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.
VCC..................................................................-0.3V to 6.0V
V+(1).................................................................-0.3V to 7.0V
V-(1)..................................................................0.3V to -7.0V
V+ + |V-|(1).......................................................................13V
ICC (DC VCC or GND current).................................±100mA
Input Voltages
TxIN, EN, SHDN.................................-0.3V to (VCC + 0.3V)
RxIN.............................................................................±15V
Output Voltages
TxOUT......................................................................±13.2V
RxOUT...............................................-0.3V to (VCC + 0.3V)
Short-Circuit Duration
TxOUT................................................................Continuous
Storage Temperature..................................-65˚C to +150˚C
Power Dissipation per package
20-pin SSOP (derate 9.25mW/°C above 70°C).......750mW
18-pin SOIC (derate 15.7mW/°C above 70°C).......1260mW
20-pin TSSOP (derate 11.1mW/°C above 70°C).....890mW
16-pin SSOP (derate 9.69mW/°C above 70°C).......775mW
16-pin PDIP (derate 14.3mW/°C above 70°C).......1150mW
16-pin WSOIC (derate 11.2mW/°C above 70°C).....900mW
16-pin TSSOP (derate 10.5mW/°C above 70°C).....850mW
16-pin NSOIC (derate 13.57mW/°C above 70°C)..1086mW
NOTE:
1. V+ and V- can have maximum magnitudes of 7V, but their absolute differ-
ence cannot exceed 13V.
Electrical Characteristics
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.
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
DC Characteristics
Supply current
Shutdown supply current
Logic Inputs and Receiver Outputs
Input logic threshold LOW
Input logic threshold HIGH
Input logic threshold HIGH
Input leakage current
Output leakage current
Output voltage LOW
Output voltage HIGH
Driver Outputs
Output voltage swing
Output resistance
Output short-circuit current
Output leakage current
2.0
2.4
VCC - 0.6
+5.0
300
0.3
1.0
+0.01
+0.05
VCC - 0.1
+5.4
+35
1.0
10
0.8
VCC
VCC
+1.0
+10
0.4
+60
+25
mA
no load, VCC = 3.3V,
TAMB = 25oC, TxIN = GND or VCC
µA
SHDN = GND, VCC = 3.3V,
TAMB = 25oC, TxIN = Vcc or GND
V TxIN, EN, SHDN(2)
V VCC = 3.3V(2)
V VCC = 5.0V(2)
µA
TxIN, EN, SHDN,
TAMB = 25oC, VIN = 0V to VCC
µA Receivers disabled, VOUT = 0V to VCC
V IOUT = 1.6mA
V IOUT = -1.0mA
V
All driver outputs loaded with 3kΩ to GND,
TAMB = 25oC
VCC = V+ = V- = 0V, TOUT = +2V
mA VOUT = 0V
µA
VCC = 0V or 3.0V to 5.5V,
VOUT = +12V, drivers disabled
REV 1.0.2
2/22


Part Number SP3222E
Description True +3.0V to +5.5V RS-232 Transceivers
Maker Exar
Total Page 22 Pages
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