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Description
The ADM202 is a 2-channel RS-232 line driver/receiver pair designed to operate from a single 5 V power supply. A highly efficient on-chip charge pump design permits RS-232 levels to be developed using charge pump capacitors as small as 0.1 μF. This converter generates ±10 V RS-232 output levels. The ADM202 meets or exceeds the TIA/EIA-232-E and V.28 specifications. Fast driver slew rates permit 120 kB operation, and high drive currents allow extended cable lengths. An epitaxial BiCMOS construction minimizes power consumption to 10 mW and guards against latch-up. Overvoltage protection is provided, allowing the receiver inputs to withstand continuous voltages in excess of ±30 V. In addition, all pins contain ESD protection to levels greater than 2 kV. The ADM202 is available in a 16-lead PDIP and both narrow and wide 16-lead SOIC packages. Applications Computers Peripherals Modems Printers Instruments
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Preview of the first 3 pages of the data sheet
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120 kB transmission rate Small (0.1 µF) charge pump capacitors Single 5 V power supply Meets TIA/EIA-232-E and V.28 specifications 2 drivers and 2 receivers On-board dc-to-dc converters ±9 V output swing with 5 V supply Low power BiCMOS: 2.5 mA ICC ±30 V receiver input levels
APPLICATIONSThe 2-channel RS-232 line driver/receiver pair designed to operate from a single 5 V power supply. A highly efficient on-chip charge pump design permits RS-232 levels to be developed using charge pump capacitors as small as 0.1 µF. This converter generates V RS-232 output levels. The ADM202 meets or exceeds the TIA/EIA-232-E and V.28 specifications. Fast driver slew rates permit 120 kB operation, and high drive currents allow extended cable lengths.
1INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT. 2INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
An epitaxial BiCMOS construction minimizes power consumption 10 mW and guards against latch-up. Overvoltage protection is provided, allowing the receiver inputs to withstand continuous voltages in excess V. In addition, all pins contain ESD protection to levels greater than 2 kV.
The ADM202 is available a 16-lead PDIP and both narrow and wide 16-lead SOIC packages.responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.A to Rev. B Updated Format : Universal Deleted ADM203 : Universal Changes to Typical Application Circuit Section Heading : 1 Deleted ADM203 Functional Block Diagram Figure; Renumbered Sequentially : 1 Changes to Features Section and General Description Section. 1 Deleted ADM203 Pin Configuration Figure and Figure : 3 Changed TIN to TxIN : Throughout
Typical Performance Characteristics : 6 Theory of Operation : 7 Applications Information : 8Charge Pump DC-to-DC Voltage Converter : 8 TTL/CMOS to RS-232 Transmitters (Drivers) RS-232 to TTL/CMOS Receivers : 8 Outline Dimensions : 9 Ordering Guide : 10
Changes to Table : 4 Changes to Table : 5 Changes to Theory of Operation Section : 7 Changes to TTL/CMOS to RS-232 Transmitters (Drivers) Section and RS-232 to TLL/CMOS Receivers Section : 8 Updated Outline Dimensions : 9 Changes to Ordering Guide : 10
SPECIFICATIONSLow High Hysteresis Resistance TTL/CMOS Output Voltage Low, VOL High, VOH PROPAGATION DELAY TRANSITION REGION SLEW RATE BAUD RATE OUTPUT Output Resistance RS-232 Output Short-Circuit Current
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241 buyer reviews from United Kingdom
Jamie
Length of registration:3 years
All working fine, great quality! Fast shipment and great price! Totally recommended!
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12/07/2022
FOUNDRY ARIENTE SA
Length of registration:15 years
Thank you very much to the seller all delivered on time and the goods correspond to the description. Measured some, and are within the standard.
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11/11/2022
Paul
Length of registration:13 years
The things I bought are very satisfactory and practical
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10/17/2022
phil simmons
Length of registration:9 years
nice components
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10/17/2017
John Connolly
Length of registration:9 years
High quality components and excellent fast service.
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01/09/2017
Lance Welsh
Length of registration:11 years
Excellent service
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12/29/2016
Neil Walkley
Length of registration:8 years
Received in good condition
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11/30/2016
C.B.Ashmore
Length of registration:7 years
Excellent service, may thanks
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11/24/2016
Gary Beddows
Length of registration:7 years
Fantastic
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09/19/2016
Robert
Length of registration:7 years
Excellent really pleased i have now repaired my Pioneer av receiver. Many Thanks You guys. Don,t listen to the lies on the net. great service and people. Robert
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09/13/2016
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ADM202JRWZ
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