Quad RS-485 transceivers for edge AI in harsh environments
MaxLinear has launched three quad RS-485 serial receivers specifically designed to ensure reliable communication for applications such as edge AI in harsh industrial environments.
The MxL83411, MxL83433, and MxL83434 quad RS-485 Receivers offer 12 product variations with two speed options of 10Mbps and 32Mbps in two package variants.
The designs build on MaxLinear’s half-duplex RS-485 transceivers to quad receive capability with high performance, ESD and EFT protection with wide voltage supply, and support for high common mode and bus voltage levels.
“Edge AI inference processes in Industrial IoT devices perform critical tasks such as classification, prediction, and anomaly detection, and require accurate real-time data from sensors and other data collection devices to learn and adapt accurately and continuously. Our high-performance RS-485 quad receivers provide a solution to receive more data with fewer components,” said Dr. Amit Bavisi, Vice President and General Manager, Analog Mixed-Signal BU at MaxLinear.
“These new products also provide extensive system level protection against ESD and other high voltage events to ensure minimal down time and long operating life under extreme conditions.”
The MxL834xx family supports up to 32Mbit/s data rates with excellent pulse symmetry and low propagation delays. The bus pins are designed to tolerate up to ±4kV of IEC 61000-4-4 electrical fast transients (EFT) and up to ±12kV of IEC 61000-4-2 electrostatic discharge (ESD).
A wide supply of 3.0V to 5.5V ensures reliable operation under a wide range of applications and in systems where the power supply may drop. It also allows for single product qualification for use in both 3.3V and 5V systems.
Up to ±15V of common mode improves communication over long distances while a ±25V input voltage tolerance can reduce faults and system down time.
An extended operating temperature range of 40 to +125°C ensures operation in extreme environments.
The standard RS-485/422 inputs can also accept RS-232, TTL, CMOS, LVTTL, and LVCMOS signals and convert them to TTL/LVTTL while providing voltage level translation and optional signal inversion.
The MxL83411, MxL83433, and MxL83434 are available now in RoHS compliant, green/halogen free, industry standard NSOIC-16 and TSSOP-16 packages. Evaluation boards and samples are available at MxL83411, MxL83433, and MxL83434.
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