ISO3086DWR
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Type | Transceiver, Isolated |
| Data Rate | 20Mbps |
| Receiver Hysteresis | 30 mV |
| Supplier Device Package | 16-SOIC |
| Voltage - Supply | 3.15V ~ 5.5V, 4.5V ~ 5.5V |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | ISO3086 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,000 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
ISO3086DWR 2/2 Transceiver, Isolated Full RS422, RS485 16-SOIC
The ISO3086DWR is a high-performance 20Mbps, full-duplex, 2.5kVrms isolated RS-485 and RS-422 transceiver housed in a 16-SOIC. Designed for robust industrial communication, this integrated circuit combines a differential line driver and receiver with an integrated galvanic isolation barrier that breaks ground loops and supports a far wider common-mode voltage range for long transmission lines. Operating from dual supplies of 3.15V to 5.5V and 4.5V to 5.5V, it sustains data rates up to 20Mbps across an industrial temperature range of -40°C to 85°C. With its 1/8 unit load, the device allows up to 256 nodes on a single bus, while an integrated fail-safe receiver handles bus open, short, and idle conditions.
The ISO3086DWR is widely deployed in industrial automation systems such as PLCs, DCS, remote I/O modules, and industrial Ethernet gateways where ground potential differences are prevalent. It is equally suited for motor and motion control applications including servo drives, variable frequency drives, and CNC interfaces, as well as building automation networks like HVAC systems and security stations. Additional use cases span power monitoring and smart grid equipment, medical instrumentation, test and measurement devices, and isolated converter modules for long-distance serial communication. Its ability to withstand large common-mode voltages and reject noise transients makes it particularly valuable in factory automation, chemical processing, and networked safety stations that demand both high-speed data transfer and uncompromising electrical isolation.
Alternative RS-485 transceiver Models
1. ISO3086DWRG4: A functionally equivalent version featuring the same 20Mbps full-duplex isolated RS-485/RS-422 architecture, suitable as a direct drop-in replacement for the ISO3086DWR in existing designs.
2. ISO3086TDWR: An enhanced isolated 5V RS-485 transceiver that integrates a transformer driver, eliminating the need for an external isolated power supply component and simplifying board-level power architecture.
3. ISO35T: An isolated 3.3V RS-485 transceiver with an integrated transformer driver, delivering a lower-voltage isolated communication option for 3.3V logic systems requiring built-in power isolation.
4. ISO1452BDWR: A higher-speed isolated RS-485/RS-422 transceiver supporting up to 50Mbps and an extended operating temperature range of -40°C to 125°C, ideal for next-generation designs demanding faster data throughput.
