ADM4855ARZ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADM4855ARZ
Manufacturer

ADI
ChipWorker Part#

CW821067
Category

Interface IC, Interface Controller
Package

SOIC-8
Description

Single Transmitter/Receiver RS-485 8Pin SOIC N
Documentation

Datasheet

ADM4855ARZ Global Supplier

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ADM4855ARZ Specifications

Attribute	Attribute Value

Part Number	ADM4855ARZ
Manufacturer	ADI
ChipWorker Part#	CW821067
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	4.75V (min)
Supply Current	0.2 mA
Number of Positions	8 Position
Data Rate	500 kbps
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.75V ~ 5.25V
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The ADM4855ARZ is a Differential Line Transceiver for high speed full duplex 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 transceiver has half-duplex transceivers that share differential lines and have separate enable inputs for the driver and receiver. The device has a 1/8-unit load receiver input impedance, which allows up to 256 transceivers on one bus. The receiver inputs have a true fail-safe feature, which ensures a logic high output level when the inputs are open or shorted. This guarantees that the receiver outputs are in a known state before communication begins and when communication ends. The driver outputs are slew rate limited to reduce EMI and data errors caused by reflections from improperly terminated buses. Excessive power dissipation caused by bus contention or by output shorting is prevented with a thermal shutdown circuit.
Reduced slew rates for low electromagnetic interference
True failsafe receiver inputs
5µA Maximum supply current in shutdown mode
Outputs high-Z when disabled or powered-OFF
Thermal shutdown and short-circuit protection
Pin-compatible with the MAX308x
Up to 256 transceivers on one bus

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Ordering Information

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Electrical testing
- Surface testing

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