ADM3485EAR - ADI

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

Part No

ADM3485EAR
Manufacturer

ADI
ChipWorker Part#

CW9619061
Category

Interface IC, Interface Controller
Package

SOIC-8
Description

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

Datasheet

ADM3485EAR Global Supplier

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ADM3485EAR Specifications

Attribute	Attribute Value

Part Number	ADM3485EAR
Manufacturer	ADI
ChipWorker Part#	CW9619061
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Supply Voltage (DC)	3.30V (max)
Supply Current	2.2 mA
Data Rate	20.0 Mbps
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	40 ℃
Supply Voltage	3V ~ 3.6V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Unknown
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
HK STC License	NLR

Product Description

Product Details
The ADM3485E is a 3.3 V, low power data transceiver with ±15 kV ESD protection, suitable for half-duplex communication on multipoint bus transmission lines. The ADM3485E is designed for balanced data transmission and complies with TIA/EIA standards RS485 and RS-422. The ADM3485E is a half-duplex transceiver that shares differential lines and has separate enable inputs for the driver and the receiver.
The devices have a 12 kΩ receiver input impedance, which allows up to 32 transceivers on a bus. Because only one driver should be enabled at any time, the output of a disabled or powered-down driver is tristated to avoid overloading the bus.
The receiver has a fail-safe feature that ensures a logic high output when the inputs are floating. Excessive power dissipation caused by bus contention or by output shorting is prevented with a thermal shutdown circuit.
The part is fully specified over the industrial temperature range and is available in an 8-lead narrow SOIC package.
**APPLICATIONS**
Power/energy metering
Telecommunications
EMI-sensitive systems Industrial control
Local area networks
### Features and Benefits
TIA/EIA RS-485/RS-422 compliant
±15 kV ESD protection on RS-485 input/output pins
12 Mbps data rate
Half-duplex transceiver
Up to 32 nodes on the bus
Receiver open-circuit, fail-safe design
Low power shutdown current
Outputs high-Z when disabled or powered off
Common-mode input range: −7 V to +12 V
Thermal shutdown and short-circuit protection
Industry-standard 75176 pinout
8-lead narrow SOIC package

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

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