Integrated Circuits (ICs) > Interface ICs > RS-232 / RS-422 / RS-485 Interface ICs > ADM1485AR

ADM1485AR

Analog Devices

Part Number:	ADM1485AR
Manufacturer:	Analog Devices
Part Type:	Integrated Circuits (ICs) > Interface ICs > RS-232 / RS-422 / RS-485 Interface ICs > ADM1485AR
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Description:	Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N Tube

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04/22/2026 – There are 515 pieces pieces of Part Number ADM1485AR Available.

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Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N Tube

Specifications

TYPE	DESCRIPTION
Case/Package	SOIC N
Contact Plating	Lead, Tin
Mount	Surface Mount
Number of Pins	8
Data Rate	30 Mbps
ESD Protection	Yes
Logic Function	Transceiver
Max Operating Temperature	85 °C
Max Supply Current	2.2 mA
Max Supply Voltage	5.25 V
Min Operating Temperature	-40 °C
Min Supply Voltage	4.75 V
Nominal Supply Current	2.2 mA
Number of Receivers	1
Number of Transceivers	1
Number of Transmitters	1
Operating Supply Current	2.2 mA
Operating Supply Voltage	5 V
Packaging	Bulk
Schedule B	8542390000
Simplex/Duplex	Half Duplex

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Documentation for Analog Devices ADM1485AR

Datasheet	View & Download ADM1485AR Datasheet
Datasheet	View & Download ADM1485AR Datasheet
Datasheet	View & Download ADM1485AR Datasheet
Datasheet	View & Download ADM1485AR Datasheet

Alternate Descriptions

Descriptions of Analog Devices ADM1485AR provided by its distributors.
Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N Tube
Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, BICMOS, PDSO8
French Electronic Distributor since 1988
The ADM1485 is a differential line transceiver suitable for high speed bidirectional data communication on multipoint bus transmission lines. It is designed for balanced data transmission and complies with both EIA Standards RS-485 and RS-422. The part contains a differential line driver and a differential line receiver. Both the driver and the receiver may be enabled independently. When disabled, the outputs are tristated. The ADM1485 operates from a single +5 V power supply. Excessive power dissipation caused by bus contention or by output shorting is prevented by a thermal shutdown circuit. This feature forces the driver output into a high impedance state if during fault conditions a significant temperature increase is detected in the internal driver circuitry. Up to 32 transceivers may be connected simultaneously on a bus, but only one driver should be enabled at any time. It is important therefore that the remaining disabled drivers do not load the bus. To ensure this, the ADM1485 driver features high output impedance when disabled and also when powered down. This minimizes the loading effect when the transceiver is not being utilized. The high impedance driver output is maintained over the entire common-mode voltage range from -7 V to +12 V. The receiver contains a fail safe feature which results in a logic high output state if the inputs are unconnected (floating). The ADM1485 is fabricated in BiCMOS, an advanced mixed technology process combining low power CMOS with fast switching bipolar technology. All inputs and outputs contain protection against ESD; all driver outputs feature high source and sink current capability. An epitaxial layer is used to guard against latch-up. The ADM1485 features extremely fast switching speeds. Minimal driver propagation delays permit transmission at data rates up to 30 Mbits/s while low skew minimizes EMI interference. The part is fully specified over the commercial and industrial temperature range and is available in an 8-pin DIL/SOIC package.

ADM1485AR

Analog Devices

Specifications

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Documentation for Analog Devices ADM1485AR

Alternate Descriptions

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