MaxLinear has introduced three new quad RS-485 serial receivers, designed to ensure reliable communications in harsh industrial environments. The new quad RS-485 receivers offer 12 product variations with two speed options, 10Mbps and 33Mbps, in two package variants.
Building upon the company’s broad, half-duplex RS-485 transceiver portfolio, the new solutions adds 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,” explained 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.”
Key features of the new products include:
- High performance: The MxL834xx family supports up to 32Mbps data rates with excellent pulse symmetry and low propagation delays
- System-level protection: 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)
- Wide supply (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.
- Wide common mode: Up to ±15V of common mode improves communication over long distances
- High input voltage tolerance: ±25V input voltage tolerance can reduce faults and system down time
- Extended operating temperature range: -40 to +125°C operating temperature ensures operation in extreme environments
- Multiprotocol receive capability: 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
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