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Analog Devices Semiconductor Electronic Components Datasheet

AD233 Datasheet

(AD230 - AD241) CMOS RE-232 Drivers / Receivers

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AD233 pdf
-D~ ~5C-c::t\ +~VI u
,. ANALOG
+5 V Powered
W DEVICES
CMOSRS-232Drivers/Receivers
FEATURES
Single 5 V Power Supply
Meets All RS-232-C and V.28 Specifications
Multiple Drivers and Receivers
On-Board DC-DC Converters
:t:9 V Output Swing with +5 V Supply
low Power CMOS: 5 mA Operation
low Power Shutdown $1 p.A
3-State TTl/CMOS Receiver Outputs
:t:30 V Receiver Input levels
Plug-In Replacement for MAX230-241
APPLICATIONS
Computers
Peripherals
OModems
Printers
BInstruments
SGENERAL DESCRIPTION
OThe AD230 family of 5 V only, RS-232 line drivers/receivers
provides a variety of configurations to fit most communication
Lneeds, especially in applications where :t 12 V is not available.
EThe AD230, AD235, AD236 and AD241 feature a low power
shutdown mode which reduces power dissipation to less than
TE5 j.LW making them ideally suited for battery powered equip-
1\ll members of the AD230 family, except the AD231 and the
AD239, include tWointernal charge pump voltage converters
which allow operation from a single +5 V supply. These con-
verters convert the + 5 V input power to the :t 10 V required for
RS-232 output levels. The AD231 and AD239 are designed to
operate from +5 V and + 12 V supplies. An internal + 12 V to
- 12 V charge pump voltage converter generates the - 12 V
supply.
ment. The AD233 and AD235 do not require any external com- In order to minimize the package count in all applications, a
ponents and are particularly useful in applications where printed wide selection of driver/receiver combinations is available (see
circuit board space is critical.
table below).
SELECTION TABLE
Part
Number
AD230
AD231
AD232
AD233
AD234
AD235
AD236
AD237
AD238
AD239
AD241
Power
Supply Voltage
+5 V
+5 V & +7.5 V
to 13.2V
+5 V
+5 V
+5 V
+5 V
+5 V
+5 V
+5 V
+5 V & +12 V
+5 V
No. of
RS-232
Drivers
5
2
2
2
4
5
4
5
4
3
4
No. of
RS-232
Receivers
0
2
2
2
0
5
3
3
4
5
5
External
Capacitors
4
2
4
None
4
None
4
4
4
2
4
Low Power
Shutdown
(SD)
Yes
No
TTL
Three-State
EN
No
No
No No
No No
No No
Yes Yes
Yes Yes
No No
No No
No Yes
Yes Yes
No. of
Pins
20
14
16
20
16
24
24
24
24
24
28
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use; nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
Twx: 710/394-6577
Telex: 924491
Cable: ANALOG NORWOODMASS
"


Analog Devices Semiconductor Electronic Components Datasheet

AD233 Datasheet

(AD230 - AD241) CMOS RE-232 Drivers / Receivers

No Preview Available !

AD233 pdf
= =(Vee +5 V :t 10% (AD231A, D232A, D234A, D236,AD238A, D239,AD241)V; ee +5 V :t 5% (AD233,
SPECIFICATIONS = =AD235)V; + 7.5Vto 13.2V(AD231)&V+ 12 V :t 10% (AD239);All Specifications Tminto Tmax
unlessotherwisenoted.)
Parameter
Min Typ Max Units Test Conditions/Comments
Output Voltage Swing
Vcc Power Supply Current
V+ Power Supply Current
Shutdown Supply Current
Input Logic Threshold Low, VINL
Input Logic Threshold High, VINH
Logic Pullup Current
::I:5: ::I:9:
4 10
0.4 1
5 10
1 10
0.8
2.0
15 200
Volts
mA
mA
mA
f.LA
V
V
f.LA
All Transmitter Outputs Loaded with 3 kil to Ground
No Load, T A = 25°C
AD231, AD239
No Load, V+ = 12 V AD231 & AD239 Only
TA = +25°C
TIN' EN, SD
TIN' EN, SD
TIN = 0 V
RS-232 Input Voltage Range
-30 +30 V
RS-232 Input Threshold Low
0.8 1.2
V Vcc = 5 V, TA = +25°C
RS-232 Input Threshold High
1.7 2.4 V
Vcc = 5 V, TA = +25°C
RS-232 Input Hysteresis
0.2 0.5 1.0 V
Vcc=5V
RS-232 Input Resistance
TTL/CMOS Output Voltage Low, VOL
TTL/CMOS Output Voltage High, VOH
TTL/CMOS Output Leakage Current
Output Enable Time (TEN)
3
3.5
OOutput Disable Time (Tod
BPropagation Delay
Instantaneous Slew Ratel
STransition Region Slew Rate
OOutput Resistance
LRS-232 Output Short Circuit Current
300
57
kil
0.4 V
V
0.05 ::1::10 f.LA
400 ns
250 ns
0.5
30
3
f.Ls
V/f.LS
V/f.LS
::1::10
il
mA
Vcc = 5V, TA = +25°C
lOUT = 3.2 mA
lOUT = -1.0 mA
EN = Vceo 0 V ::; ROUT::;Vcc
AD235, AD236, AD239, AD241
(Figure 25. RL = 1 kil, CL = 150 pF)
AD235, AD236, AD239, AD241
(Figure 25. RL = 1 kil, CL = 150 pF)
RS-232 to TTL
CL = 10pF, RL = 3-7 kil, TA = +25°C
RL = 3 kil, CL = 2500pF
Measured from +3 V to -3 V or -3 V to +3 V
Vcc = V+ = V- = 0 V, VOUT = ::1::V2
ENOTE
'Sample tested to ensure compliance.
TESpecifications subject to change without
notice.
ABSOLUTE MAXIMUM RATINGS*
(T A = 25°C unless otherwise noted)
Vcc 0.3Vto+6V
V+ (Vcc-0.3V)to+13V
V- +0.3Vto-13V
Input Voltages
TIN 0.3Vto(Vcc+0.3V)
R1N ::I::30V
Output Voltages
TOUT' . . . . . . . . . . . . . . (V+, +0.3 V) to (V-, -0.3 V)
ROUT
Short Circuit Duration
O.3Vto(Vcc+O.3V)
TOUT
Continuous
Power Dissipation
Cerdip (Derate 9.5 mW/OCabove +70°C)
675 mW
Plastic DIP (Derate 7 mW/OCabove +70°C)
375 mW
SOIC (Derate 7 mW/oC above +70°C)
Operating Temperature Range
375 mW
Commercial (J Version)
0 to +70°C
Industrial (A Version) . . . . . . . . . . . . . . . -40°C to +85°C
Extended (S Version) """""""
-55°C to + 125ac
Storage Temperature Range. . . . . . . . . . . -65ac to + 150ac
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . + 300°C
*This is a stress rating only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of this specification is not implied. Exposure
to absolute maximum rating conditions for extended periods of
time may affect reliability.
CAUTION
ESD (electrostatic discharge) sensitive device. The digital control inputs are diode protected;
however, permanent damage may occur on unconnected devices subject to high energy electro-
static fields. Unused devices must be stored in conductive foam or shunts. The protective foam
should be discharged to the destination socket before devices are removed.
-2-
~---
-


Part Number AD233
Description (AD230 - AD241) CMOS RE-232 Drivers / Receivers
Maker Analog Devices
Total Page 15 Pages
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