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Shenzhen Koben Electronics Co., Ltd.
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ADM485ARZ EIA RS-485 Integrated Circuit IC Chip Low Power For LTC485

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Shenzhen Koben Electronics Co., Ltd.

City: shenzhen

Province/State:guangdong

Country/Region:china

Tel:86-755-23816068

Contact Person:
Mr.Zhu
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ADM485ARZ EIA RS-485 Integrated Circuit IC Chip Low Power For LTC485

Brand Name ADI
Model Number ADM485ARZ-REEL
Certification CE
Place of Origin CN
Minimum Order Quantity 10 pieces
Price negotiable
Payment Terms T/T, Western Union, Paypal
Supply Ability 10Kpcs per year
Delivery Time 1-2 working days
Packaging Details Tape and Reel
Goods Condition Brand New
Part Status Active
Lead Free / Rohs Complaint
Function Transceiving
Mounting Type SMD
Package SOP8
Detailed Product Description

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.

 

 

ManufacturerAnalog Devices Inc. 
Series- 
PackagingTape & Reel (TR) 
Part StatusActive 
TypeTransceiver 
ProtocolRS422, RS485 
Number of Drivers/Receivers1/1 
DuplexHalf 
Receiver Hysteresis70mV 
Data Rate5Mbps 
Voltage - Supply4.75 V ~ 5.25 V 
Operating Temperature-40°C ~ 85°C 
Mounting TypeSurface Mount 
Package / Case8-SOIC (0.154", 3.90mm Width) 
Supplier Device Package8-SOIC 
Base Part NumberADM485

 

 

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Product Tags: resolver to digital converter ic   integrated circuit chip   ADM485ARZ Circuit IC  
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