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ADM485ARZ EIA RS-485 Integrated Circuit IC Chip Low Power For LTC485

ADM485ARZ EIA RS-485 Integrated Circuit IC Chip Low Power For LTC485

  • ADM485ARZ EIA RS-485 Integrated Circuit IC Chip Low Power For LTC485
ADM485ARZ EIA RS-485 Integrated Circuit IC Chip Low Power For LTC485
Product Details:
Place of Origin: CN
Brand Name: ADI
Certification: CE
Model Number: ADM485ARZ-REEL
Payment & Shipping Terms:
Minimum Order Quantity: 10 pieces
Price: negotiable
Packaging Details: Tape and Reel
Delivery Time: 1-2 working days
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 10Kpcs per year
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Detailed Product Description
Goods Condition: Brand New Part Status: Active
Lead Free / Rohs: Complaint Function: Transceiving
Mounting Type: SMD Package: SOP8
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ADM485ARZ 5V Low Power EIA RS-485 Transceiver IC Superior upgrade for LTC485

 

 

FEATURES

Meets EIA RS-485 standard 5 Mbps data rate Single 5 V supply –7 V to +12 V bus common-mode range High speed, low power BiCMOS Thermal shutdown protection Short-circuit protection Driver propagation delay: 10 ns typical Receiver propagation delay: 15 ns typical High-Z outputs with power off Superior upgrade for LTC485

 

APPLICATIONS

Low power RS-485 systems DTE/DCE interface Packet switching Local area networks (LNAs) Data concentration Data multiplexers Integrated services digital network (ISDN)

 

GENERAL DESCRIPTION

The ADM485 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 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 can be enabled independently. When disabled, the outputs are three-stated. The ADM485 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. If during fault conditions, a significant temperature increase is detected in the internal driver circuitry, this feature forces the driver output into a high impedance state. Up to 32 transceivers can 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 ADM485 driver features high output impedance when disabled and when powered down, which minimizes the loading effect when the transceiver is not being used. The high impedance driver output is maintained over the common-mode voltage range of −7 V to +12 V.

The receiver contains a fail-safe feature that results in a logic high output state if the inputs are unconnected (floating). The ADM485 is fabricated on 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 ADM485 features extremely fast switching speeds. Minimal driver propagation delays permit transmission at data rates up to 5 Mbps while low skew minimizes EMI interference. The part is fully specified over the commercial and industrial temperature range and is available in 8-lead PDIP, 8-lead SOIC, and small footprint, 8-lead MSOP packages.

 

 

Manufacturer Analog Devices Inc.  
Series -  
Packaging ? Tape & Reel (TR) ?  
Part Status Active  
Type Transceiver  
Protocol RS422, RS485  
Number of Drivers/Receivers 1/1  
Duplex Half  
Receiver Hysteresis 70mV  
Data Rate 5Mbps  
Voltage - Supply 4.75 V ~ 5.25 V  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Package / Case 8-SOIC (0.154", 3.90mm Width)  
Supplier Device Package 8-SOIC  
Base Part Number ADM485

 

 

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Contact Details
Shenzhen Koben Electronics Co., Ltd.

Contact Person: Zhu

Tel: 86-13040862868

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