MAX14941
RECOMMENDED FOR NEW DESIGNS5kVRMS Isolated 20Mbps Half-Duplex PROFIBUS/RS-485 Transceivers with ±35kV ESD Protection
Industry's Most Robust Isolated RS-485
- Part Models
- 2
- 1ku List Price
- Starting From $5.24
Overview
- High-Performance Transceiver Enables Flexible
Designs
- Integrated LDO for Cable-Side Power
- Compliant with RS-485 EIA/TIa-485 Standard
- 20Mbps Maximum Data Rate
- Allows Up to 128 Devices on the Bus
- Integrated Protections Ensures Robust
Communication
- ±35kV ESD (HBM) on Driver Outputs/Receiver Inputs
- 5kVRMS Withstand Isolation Voltage for 60s (VISO)
- 1200VPEAK Maximum Repetitive Peak-Isolation Voltage (VIORM)
- 848VRMS Maximum Working-Isolation Voltage (VIOWM)
- > 30 Years Lifetime at Rated Working Voltage
- Withstands ±10kV Surge per IEC 61000-4-5
- Thermal Shutdown
The MAX14941/MAX14942 isolated RS-485/PROFIBUS-DP transceivers provide 5000VRMS (60s) of galvanic isolation between the cable-side (RS-485 driver/receiver-side) and the UART-side of the device. Isolation improves communication by breaking ground loops and reduces noise when there are large differences in ground potential between ports. These devices allow for robust communication up to 20Mbps.
An integrated LDO provides a simple and space-efficient architecture for providing power to the cable side of the IC.
Each device includes one half-duplex driver/receiver channel. The receiver is 1/4-unit load, allowing up to 128 transceivers on a common bus.
Integrated true fail-safe circuitry ensures a logic-high on the receiver output when inputs are shorted or open. Undervoltage lockout disables the driver when cable-side or UART-side power supplies are below functional levels.
The driver outputs/receiver inputs are protected from ±35kV electrostatic discharge (ESD) to GNDB on the cable side, as specified by the Human Body Model (HBM).
The MAX14941/MAX14942 are available in a wide-body 16-pin SOIC package and operate over the -40°C to +105°C temperature range.
Applications
- HVAC
- Industrial Automation Equipment
- Power Meters
- Programmable Logic Controllers
Documentation
Data Sheet 1
Safety and Regulatory Compliance 1
Safety and Regulatory Compliance 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX14941GWE+ | SOIC_W | ||
| MAX14941GWE+T | SOIC_W |
This is the most up-to-date revision of the Data Sheet.
Evaluation Kits
Evaluation Kit for the MAX14938/MAX14939/MAX14941/MAX14942/MAX14945 and MAX14948
Resources
Latest Discussions
No discussions on MAX14941 yet. Have something to say?
Start a Discussion on EngineerZone®