ST202
5V POWERED MULTI-CHANNELRS-232 DRIVERS AND RECEIVERS
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SUPPLY VOLTAGE RANGE: 4.5 TO 5.5VSUPPLY CURRENT NO LOAD (TYP): 1.5mATRASMITTER OUTPUT VOLTAGE SWING (TYP): ± 9V
TRANSITION SLEW RATE (TYP.): 12V/µsRECEIVER PROPAGATION DELAY (TYP.): 0.1µs
COMPATIBLE WITH MAX202
RECEIVER INPUT VOLTAGE RANGE: ± 30VDATA RATE (TYP.): 400Kbp/s
OPERATING TEMPERATURE RANGE: -40 TO 85 °C, 0 TO 70°C
DIPSOPDESCRIPTION
The ST202 is a 2 driver, 2 receiver devicefollowing EIA/TIA-232 and V.28 communicationstandard. It is particularly suitable for applicationswhere ± 12V is not available. The ST202 uses asingle 5V power supply and only four externalcapacitors (0.1µF). Typical application are in:Portable Computers, Low Power Modems,Interfaces Translation, Battery Powered RS-232Networks.
ORDERING CODES
TypeST202CNST202BNST202CDST202BDST202CDRST202BDRST202CWST202BWST202CWRST202BWRST202CTRST202BTR
Temperature Range0 to 70 °C-40 to 85 °C0 to 70 °C-40 to 85 °C0 to 70 °C-40 to 85 °C0 to 70 °C-40 to 85 °C0 to 70 °C-40 to 85 °C0 to 70 °C-40 to 85 °C
Package
DIP-16DIP-16SO-16 (Tube)SO-16 (Tube)SO-16 (Tape & Reel)SO-16 (Tape & Reel)SO-16 Large (Tube)SO-16 Large (Tube)SO-16 Large (Tape & Reel)SO-16 Large (Tape & Reel)TSSOP16 (Tape & Reel)TSSOP16 (Tape & Reel)
SOP LargeTSSOPComments
25parts per tube / 40tube per box25parts per tube / 40tube per box50parts per tube / 20tube per box50parts per tube / 20tube per box
2500 parts per reel2500 parts per reel
49parts per tube / 25tube per box49parts per tube / 25tube per box
1000 parts per reel1000 parts per reel2500 parts per reel2500 parts per reel
June 20011/10
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ST202
PIN CONFIGURATION
PIN DESCRIPTION
PlN N°12345678910111213141516
SYMBOLC1+V+C1-C2+C2-V-T2OUTR2INR2OUTT2INT1INR1OUTR1INT1OUTGNDVCC
NAME AND FUNCTION
Positive Terminal for the first Charge Pump CapacitorDoubled Voltage Terminal
Negative Terminal for the first Charge Pump CapacitorPositive Terminal for the second Charge Pump CapacitorNegative Terminal for the second Charge Pump CapacitorInverted Voltage Terminal
Second Transmitter Output VoltageSecond Receiver Input VoltageSecond Receiver Output VoltageSecond Transmitter Input VoltageFirst Transmitter Input VoltageFirst Receiver Output VoltageFirst Receiver Input VoltageFirst Transmitter Output VoltageGround
Supply Voltage
ABSOLUTE MAXIMUM RATINGS
SymbolVCCV+V-TINRINTOUTROUTTSCTOUT
Supply VoltageExtra Positive Voltage
Extra Negative Voltage
Transmitter Input Voltage RangeReceiver Input Voltage RangeTransmitter Output Voltage RangeReceiver Output Voltage RangeShort Circuit Duration on TOUT
Parameter
Value-0.3 to 6(VCC -0.3) to 13.20.3 to -13.2-0.3 to (VCC + 0.3)
± 30± 15
-0.3 to (VCC + 0.3)
infinite
UnitVVVVVVV
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
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ST202
ELECTRICAL CHARACTERISTICS
(C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C)
Symbol
Parameter
No Load
Test Conditions
Min.
Typ.1.5
Max.4
UnitmA
ISUPPLYVCC Power Supply Current
TRANSMITTER ELECTRICAL CHARACTERISTICS
(C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C)
SymbolVTOUTITILVTILVTIHSRT
Parameter
Output Voltage SwingLogic Pull-Up CurrentInput Logic Threshold LowInput Logic Threshold HighTransition Slew Rate
TA = 25°C,RL = 3 to 7KΩ,(Note1)(Note 2)
VCC = V+ = V- = 0Vone TXOUT to GND
TTL-CMOS IN to RS-232 OUTCL = 150pF (50% to 50%)
VCC = 5V
CL = 50 to 2500pF
6
Test Conditions
All Transmitter outputs are loaded with 3KΩ to GNDTIN = 0V
Min.± 5
Typ.± 95
0.8
1.41.412
23040Max.
UnitVµAVVV/µs
DRRTOUTISCtdT
Data Rate
Transmitter Output Resistance
Transmitter Output Short Circuit Current
Propagation Delay Time
200
VOUT = ± 2V
300± 7
400Kbits/sΩ
± 221.3
3.5
mAµs
Note 1: Measured from 3V to -3V or from -3V to 3V.
Note2: One trasmitter output is loaded with RL = 3KΩ to 7KΩ, CL = 50 to 1000pF
RECEIVER ELECTRICAL CHARACTERISTICS
(C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C)
SymbolVRINRRINVRIL
Parameter
Receiver Input Voltage Operating Range
RS-232 Input Resistance
Test Conditions
Min.-30
TA = 25°C
30.8
51.31.8
VCC = 5V
IOUT = 3.2mA (to VCC)IOUT = 1mA (to GND)to GNDto VCC
CL = 150pF (Note 1)
3.52100.2
0.50.2VCC-0.210300.1
0.52.410.4
Typ.
Max.307
UnitVKΩVVVVVmAmAµs
RS-232 Input Threshold Low
VRIHRS-232 Input Threshold
High
VRIHYSRS-232 Input HysteresisVROLTTL/CMOS Output Voltage
Low
VROHTTL/CMOS Output Voltage
High
ISCRReceiver Output Short
Circuit CurrenttdR
Propagation Delay Time
Note 1: RS-232 IN to TTL-CMOS OUT (from 50% to 50%)
3/10
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ST202
APPLICATION CIRCUITS (note 1, note 2)
Note 1: C1-4 capacitors can even be 1µF ones.Note 2: C1-4 can be common or biased capacitors.
CAPACITANCE VALUE (µF)
C10.1
C2.0.1
C30.1
C40.1
C50.1
4/10
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ST202
TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified Tj = 25°C) Figure 1 : Driver Voltage Transfer Characteristics
Figure 4 : Driver Output Capability Current vs Output Voltage
Figure 2 : Drive Short Circuit Output Current vs Temperature Figure 5 : Driver Short Circuit Supply Current vs Temperature
Figure 3 : Receiver Threshold vs Supply Voltage Figure 6 : Receiver Threshold vs Temperature
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ST202Plastic DIP-16 (0.25) MECHANICAL DATAmm.DIM.MIN.a1Bbb1DEee3FILZ3.31.278.52.5417.787.15.10.1300.0500.510.770.50.25200.3350.1000.7000.2800.2011.65TYPMAX.MIN.0.0200.0300.0200.0100.7870.065TYP.MAX.inchP001C6/10元器件交易网www.cecb2b.com
ST202SO-16 MECHANICAL DATADIM.Aa1a2bb1Cc1DEee3FGLMS3.84.60.50.350.190.545° (typ.) 9.85.81.278.894.05.31.270.628°(max.)0.1490.1810.019106.20.3850.2280.0500.3500.1570.2080.0500.0240.3930.2440.1mm.MIN.TYPMAX.1.750.21.650.460.250.0130.0070.0190.003MIN.inchTYP.MAX.0.0680.0070.0640.0180.010PO13H7/10元器件交易网www.cecb2b.com
ST202SO-16L MECHANICAL DATADIM.Aa1a2bb1Cc1DEee3FGLMS0.51.270.758°(max.)0.0200.0500.0297.40.350.230.1mm.MIN.TYPMAX.2.650.22.450.490.320.0140.0090.0200.004MIN.inchTYP.MAX.0.1040.0080.0960.0190.0120.5 45° (typ.)10.110.01.278.897.60.29110.510.650.3970.3930.4130.4190.0500.3500.300PO13I8/10元器件交易网www.cecb2b.com
ST202TSSOP16 MECHANICAL DATAmm.DIM.MIN.AA1A2bcDEE1eKL0°0.450.600.050.80.190.094.96.24.356.44.40.65 BSC8°0.750°0.0180.0241TYPMAX.1.20.151.050.300.205.16.64.480.0020.0310.0070.0040.1930.2440.1690.1970.2520.1730.0256 BSC8°0.0300.0040.039MIN.TYP.MAX.0.0470.0060.0410.0120.00890.2010.2600.176inchAA2A1beKcLEDE1PIN 1 IDENTIFICATION10080338D9/10元器件交易网www.cecb2b.com
ST202
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