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Datasheet> All Categories > Analog mixed-signal IC> Drivers and interfaces> SP3222UCY/TR
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SP3222UCY/TR

Description
Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, PLASTIC, TSSOP-20
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size194KB，18 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric View All

SP3222UCY/TR Overview

Line Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20, PLASTIC, TSSOP-20

SP3222UCY/TR Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSIPEX
package instructionPLASTIC, TSSOP-20
Reach Compliance Codeunknown
Differential outputNO
Number of drives2
Input propertiesSCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-232-F; TIA-232-F; V.24; V.28; EIA-562; TIA-562
JESD-30 codeR-PDSO-G20
JESD-609 codee0
length6.5 mm
Humidity sensitivity level1
Number of functions2
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Minimum output swing10 V
Maximum output low current0.0016 A
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP20,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
power supply3.3/5 V
Certification statusNot Qualified
Maximum receive delay
Number of receiver bits2
Maximum seat height1.1 mm
Maximum slew rate1 mA
Maximum supply voltage5.5 V
Minimum supply voltage3 V
Nominal supply voltage3.3 V
surface mountYES
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width4.4 mm

SP3222UCY/TR Preview

®
SP3222U/3232U
3.3V, 1000 Kbps RS-232 Transceivers
FEATURES
■
Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
■
Interoperable with EIA/TIA - 232 and
adheres to EIA/TIA - 562 down to a +2.7V
power source
■
1µA Low-Power Shutdown with Receivers
Active (SP3222U)
■
ESD Specifications:
±2kV
Human Body Model
■
1000 kbps Minimum Transmission Rate
■
Ideal for Handheld, Battery Operated
Applications
EN
1
18 SHDN
17 V
CC
16 GND
15
SP3222U
14
T1OUT
R1IN
C1+ 2
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
3
4
5
6
7
8
9
13 R1OUT
12 T1IN
11 T2IN
10
R2OUT
DIP/SO
Now Available in Lead Free Packaging
Note: See page 6 for other pinouts
DESCRIPTION
The SP3222U and the SP3232U are 2 driver, 2 receiver RS-232 transceiver solutions
intended for portable or hand-held applications such as notebook or palmtop computers.
Their data transmission rate of 1000 kbps meets the demands of high speed RS-232
applications. Both ICs have a high-efficiency, charge-pump power supply that requires only
0.1µF capacitors in 3.3V operation. This charge pump allows the SP3222U and the 3232U
to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V.
The SP3222U 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 1uA.
SELECTION TABLE
MODEL
SP3222U
SP3232U
Power Supplies
+3.0V to +5.5V
+3.0V to +5.5V
RS-232
Drivers
2
2
RS-232
Receivers
2
2
External
Components
4
4
Shutdown
Yes
No
TTL
3-State
Yes
No
No. of
Pins
18, 20
16
Date: 02/24/05
SP3222U/3232U 3.3V, 1000Kbps RS-232 Transceivers
© Copyright 2005 Sipex Corporation
1
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 ..................................................................
±25V
Output Voltages
TxOUT.......................................................±13.2V
RxOUT............. ..................-0.3V to (V
CC
+ 0.3V)
Short-Circuit Duration
TxOUT.................................................Continuous
Storage Temperature.................-65°C to +150°C
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 +70°C) ...... 1086mW
NOTE 1:
V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V.
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, the following specifications apply for V
CC
= +3.0V to +5.5V with T
AMB
= T
MIN
to T
MAX
, C
1
to
C
4
=0.1µF
PARAMETER
DC CHARACTERISTICS
Supply Current
Shutdown Supply Current
LOGIC INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold LOW
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
±5.0
300
±35
±60
±25
±5.4
V
Ω
mA
µA
3kΩ load to ground at all driver
outputs,T
AMB
= +25°C
V
CC
= V+ = V- = 0V, T
OUT
= +2V
V
OUT
= 0V
V
OUT
= +12V,V
CC
= 0V to 5.5V,drivers
disabled
V
CC
-0.6
V
CC
-0.1
2.0
2.4
±0.01
±0.05
±1.0
±10
0.4
0.8
V
V
µA
µA
V
V
TxIN, EN, SHDN, Note 2
V
CC
= 3.3V, Note2
V
CC
= 5.0V, Note 2
TxIN, EN, SHDN, T
AMB
= +25°C,
VIN= 0V to V
CC
receivers disabled, V
OUT
= 0V to V
CC
I
OUT
= 1.6mA
I
OUT
= -1.0mA
0.3
1.0
1.0
10
mA
µA
no load, T
AMB
= +25°C, V
CC
= 3.3V,
TxIN = GND or V
CC
SHDN = GND,T
AMB
= +25°C,
V
CC
= +3.3V, TxIN = GND or V
CC
MIN.
TYP.
MAX. UNITS
CONDITIONS
Date: 02/24/05
SP3222U/3232U 3.3V, 1000Kbps RS-232 Transceivers
© Copyright 2005 Sipex Corporation
2
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, the following specifications apply for V
CC
= +3.0V to +5.5V with T
AMB
= T
MIN
to T
MAX
, C
1
to
C
4
=0.1µF. Typical Values apply at V
CC
= +3.3V or +5.5V and T
AMB
= 25
o
C.
PARAMETER
RECEIVER INPUTS
Input Voltage Range
Input Threshold LOW
Input Threshold HIGH
Input Hysteresis
Input Resistance
TIMING CHARACTERISTICS
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Driver Skew
Receiver Skew
Transition-Region Slew Rate
1000
0.15
0.15
200
200
100
50
90
kbps
µs
ns
ns
ns
ns
V/µs
| t
PHL
- t
PLH
|, T
AMB
= 25°C
| t
PHL
- t
PLH
|
V
CC
= 3.3V, R
L
= 3KΩ, T
AMB
= 25°C,
measurements taken from -3.0V to
+3.0V or +3.0V to -3.0V
R
L
=3kΩ, C
L
=250pF, one driver
switching
t
PHL
, RxIN to RxOUT, C
L
=150pF
t
PLH
, RxIN to RxOUT, C
L
=150pF
3
-25
0.6
0.8
1.2
1.5
1.5
1.8
0.3
5
7
2.4
2.4
+25
V
V
V
V
V
V
kΩ
V
CC
=3.3V
V
CC
=5.0V
V
CC
=3.3V
V
CC
=5.0V
MIN.
TYP.
MAX.
UNITS
CONDITIONS
NOTE 2:
Driver input hysteresis is typically 250mV.
Date: 02/24/05
SP3222U/3232U 3.3V, 1000Kbps RS-232 Transceivers
© Copyright 2005 Sipex Corporation
3
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for V
CC
= +3.3V, 1000kbps data rates, all drivers
loaded with 3kΩ, 0.1µF charge pump capacitors, and T
AMB
= +25°C.
6
120
T1 at 1Mbps
T2 at 62.5Kbps
Transmitter
Output Voltage (V)
2
0
-2
-4
-6
0
Slew Rate (V /
µs)
4
100
80
60
40
20
0
0
250
T1 at 1Mbps
T2 at 62.5Kbps
All TX loaded 3K // CLoad
250
500
1000
Load Capacitance (pF)
1500
500
1000
1500
Load Capacitance (pF)
2000
Figure 1. Transmitter Output Voltage vs Load
Capacitance for the SP3222U and the SP3232U
Figure 2. Slew Rate vs Load Capacitance for the
SP3222U and the SP3232U
35
20
Supply Current (mA)
30
20
15
10
5
0
0
250
500
1000
Load Capacitance (pF)
1500
T1 at 1Mbps
T2 at 62.5Kbps
Supply Current (mA)
15
10
5
0
T1 at Mbps
T2 at 62.5Kbps
2.7
3
3.5
4
Supply Voltage (V)
4.5
5
Figure 3. Supply Current vs Load Capacitance when
Transmitting Data for the SP3222U and the SP3232U
Figure 4. Supply Current vs Supply Voltage for the
SP3222U and the SP3232U
6
200
150
100
50
0
2.7
3
3.5
4
Supply Voltage (V)
4.5
5
T1 at 500Kbps
T2 at 31.2Kbps
All TX loaded 3K // CLoad
Transmitter Output
Voltage (V)
4
2
0
-2
-4
-6
T1 at 1Mbps
T2 at 62.5Kbps
Skew (nS)
0
250
500
1000
1500
Load Capacitance (pF)
2000
Figure 5. Transmitter Output Voltage vs Supply Voltage
for the SP3222U and the SP3232U
Figure 6. Transmitter Skew vs Load Capacitance for the
SP3222U and the SP3232U
Date: 02/24/05
SP3222U/3232U 3.3V, 1000Kbps RS-232 Transceivers
© Copyright 2005 Sipex Corporation
4
PIN NUMBER
NAME
FUNCTION
SP3222U
DIP/SO
EN
C1+
V+
C1-
C2+
C2-
V-
T1OUT
T2OUT
R1IN
R2IN
R1OUT
R2OUT
T1IN
T2IN
GND
V
CC
SHDN
N.C.
Receiver Enable. Apply logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state).
Positive terminal of the voltage doubler charge-pump capacitor.
+5.5V generated by the charge pump.
Negative terminal of the voltage doubler charge-pump capacitor.
Positive terminal of the inverting charge-pump capacitor.
Negative terminal of the inverting charge-pump capacitor.
-5.5V generated by the charge pump.
RS-232 driver output.
RS-232 driver output.
RS-232 receiver input.
RS-232 receiver input.
TTL/CMOS reciever output.
TTL/CMOS reciever output.
TTL/CMOS driver input.
TTL/CMOS driver input.
Ground.
+3.0V to +5.5V supply voltage
Shutdown Control Input. Drive HIGH for normal device operation.
Drive LOW to shutdown the drivers (high-Z output) and the on-
board power supply.
No Connect.
1
2
3
4
5
6
7
15
8
14
9
13
10
12
11
16
17
18
-
SSOP
TSSOP
1
2
3
4
5
6
7
17
8
16
9
15
10
13
12
18
19
20
11, 14
SP3232U
-
1
2
3
4
5
6
14
7
13
8
12
9
11
10
15
16
-
-
Table 1. Device Pin Description
Date: 02/24/05
SP3222U/3232U 3.3V, 1000Kbps RS-232 Transceivers
© Copyright 2005 Sipex Corporation
5
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