ADM2795E Series

Robust 5 kV RMS Isolated RS-485/RS-422 Transceiver with Level 4 EMC and Full ±42 V Protection

Catalog

Robust 5 kV RMS Isolated RS-485/RS-422 Transceiver with Level 4 EMC and Full ±42 V Protection

Part	Data Rate	Duplex	Mounting Type	Protocol	Package / Case [x]	Package / Case	Package / Case [y]	Supplier Device Package	Type	Receiver Hysteresis	Voltage - Supply [Max]	Voltage - Supply [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Contents	Utilized IC / Part	Function	Supplied Contents	Platform
Analog Devices ADM2795EBRWZ-RL7	2.5 Mbps	Half	Surface Mount	RS422 RS485	0.295 in	16-SOIC	7.5 mm	16-SOIC	Transceiver	30 mV	5.5 V	1.7 V	125 °C	-40 °C
Analog Devices ADM2795EARWZ	2.5 Mbps	Half	Surface Mount	RS422 RS485	0.295 in	16-SOIC	7.5 mm	16-SOIC	Transceiver	30 mV	5.5 V	1.7 V	85 °C	-40 °C
Analog Devices ADM2795EBRWZ	2.5 Mbps	Half	Surface Mount	RS422 RS485	0.295 in	16-SOIC	7.5 mm	16-SOIC	Transceiver	30 mV	5.5 V	1.7 V	125 °C	-40 °C
Analog Devices ADM2795ETRWZ-EP	2.5 Mbps	Half	Surface Mount	RS422 RS485	0.295 in	16-SOIC	7.5 mm	16-SOIC	Transceiver	30 mV	5.5 V	1.7 V	125 °C	-55 °C
Analog Devices EVAL-ADM2795EEBZ									Interface						Board(s)	ADM2795E	RS-422 RS-485 Transceiver	Board(s)
Analog Devices EVAL-ADM2795E-ARDZ									Interface						Board(s)	ADM2795E	RS485		Arduino

Catalog

Robust 5 kV RMS Isolated RS-485/RS-422 Transceiver with Level 4 EMC and Full ±42 V Protection

Key Features

• 5 kV rms isolated RS-485/RS-422 transceiver

• ±42 V ac/dc peak fault protection on RS-485 bus pins

• Certified Level 4 EMC protection on RS-485 A, B bus pinsIEC 61000-4-5 surge protection (±4 kV)IEC 61000-4-4 electrical fast transient (EFT) protection (±2 kV)IEC 61000-4-2 electrostatic discharge (ESD) protection±8 kV contact discharge±15 kV air dischargeIEC 61000-4-6 conducted radio frequency (RF) immunity (10 V/m rms)

• IEC 61000-4-5 surge protection (±4 kV)

• IEC 61000-4-4 electrical fast transient (EFT) protection (±2 kV)

• IEC 61000-4-2 electrostatic discharge (ESD) protection±8 kV contact discharge±15 kV air discharge

• ±8 kV contact discharge

• ±15 kV air discharge

• IEC 61000-4-6 conducted radio frequency (RF) immunity (10 V/m rms)

• Certified IEC 61000-4-x immunity across isolation barrierIEC 61000-4-2 ESD, IEC 61000-4-4 EFT, IEC 61000-4-5 surge, IEC 61000-4-6 conducted RF immunity, IEC 61000-4-3 radiated immunity, IEC 61000-4-8 magnetic immunity

• IEC 61000-4-2 ESD, IEC 61000-4-4 EFT, IEC 61000-4-5 surge, IEC 61000-4-6 conducted RF immunity, IEC 61000-4-3 radiated immunity, IEC 61000-4-8 magnetic immunity

• RS-485 A, B pins human body model (HBM) ESD protection: >±30 kV

• Safety and regulatory approvals (pending)CSA Component Acceptance Notice 5A, DIN V VDE V 0884-10, UL 1577, CQC11-471543-2012

• CSA Component Acceptance Notice 5A, DIN V VDE V 0884-10, UL 1577, CQC11-471543-2012

• TIA/EIA RS-485/RS-422 compliant over full supply range3 V to 5.5 V operating voltage range on VDD21.7 V to 5.5 V operating voltage range on VDD1logic supply

• 3 V to 5.5 V operating voltage range on VDD2

• 1.7 V to 5.5 V operating voltage range on VDD1logic supply

• Common-mode input range of −25 V to +25 V

• High common-mode transient immunity: >75 kV/μs

• Robust noise immunity (tested to the IEC 62132-4 standard)

• Passes EN55022 Class B radiated emissions by 6 dBμV/m margin

• Receiver short-circuit, open-circuit, and floating input fail-safe

• Supports 256 bus nodes (96 kΩ receiver input impedance)

• −40°C to +125°C temperature option

• Glitch free power-up/power-down (hot swap)

• DownloadADM2795E-EP data sheet(pdf)

• Military −55°C to +125°C temperature range

• Controlled manufacturing baseline

• 1 assembly/test site

• Enhanced product change notification

• Qualification data available on request

• V62/17611 DSCC Drawing Number

Description

The ADM2795E is a 5 kV rms signal isolated RS-485 transceiver that features up to ±42 V of ac/dc peak bus overvoltage fault protection on the RS-485 bus pins. The device integrates Analog Devices, Inc.,iCoupler®technology to combine a 3-channel isolator, RS-485 transceiver, and IEC electromagnetic compatibility (EMC) transient protection in a single package. The ADM2795E is a RS-485/RS-422 transceiver that integrates IEC 61000-4-5 Level 4 surge protection, allowing up to ±4 kV protection on the RS-485 bus pins (A and B). The device has IEC 61000-4-4 Level 4 EFT protection up to ±2 kV and IEC 61000-4-2 Level 4 ESD protection on the bus pins, allowing this device to withstand up to ±15 kV on the transceiver interface pins without latching up. This device has an extended common-mode input range of ±25 V to improve data communication reliability in noisy environments. The ADM2795E is capable of operating over wide power supply ranges, with a 1.7 V to 5.5 V VDD1power supply range, allowing interfacing to low voltage logic supplies. The ADM2795E is also fully TIA/EIA RS-485/RS-422 compliant when operated over a 3 V to 5.5 V VDD2power supply. The device is fully characterized over an extended operating temperature range of −40°C to +125°C, and is available in a 16-lead, wide-body SOIC package.ApplicationsHeating, ventilation, and air conditioning (HVAC) networksIndustrial field busesBuilding automationUtility networks