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12-01-2017

Maxim Transceivers Provide 2x Faster Data Rates and Up to 50% Extended Cable Length for Motion Control and Industrial Applications

Maxim » MAX22500E, MAX22501E, MAX22502E

New MAX22500E/1E/2E RS-485 transceiver series built for high performance, robust communications, and small size

Industrial designers can now achieve 2x faster data rates and extend cable length by up to 50% with MAX22500E, MAX22501E, and MAX22502E RS-485 transceivers from Maxim Integrated Products.

Maxim - MAX22500E, MAX22501E, MAX22502E

With motion control systems requiring more accuracy over longer distances, system designers are challenged to maintain faster data rates and achieve robust communications with longer cables. A production site, for example, may not efficiently function with a slow data rate and short cables as it must transfer accurate information quickly and over a long distance.

The MAX22500E/MAX22501E (half-duplex) and MAX22502E (full-duplex) ESD-protected RS-485/RS-422 transceivers extend the reach of communication up to 100 Mbps over 50 m. This provides the industry’s fastest data rates for accurate, cost-effective, and robust communication across long cables for a variety of motion control applications. The settable pre-emphasis feature within the MAX22500E and MAX22502E enables 2x faster data rates compared to competitive solutions for increased encoder resolution and reduced latency. Pre-emphasis extends cables up to 50% longer to communicate over longer distances. A large receiver hysteresis (250 mV) provides superior robustness to EFT. In addition, by improving the signal integrity and robustness, system designers can achieve the same level of performance with lower-cost cables. The transceivers operate over the –40 °C to +125 °C temperature range.

Key Advantages

  • Robust communications:
    Extends the reach to 100 Mbps over 50 m (or 50 Mbps over 100 m); Settable pre-emphasis improves data integrity with high data rates; 250 mV receiver hysteresis for EFT robustness
     
  • High Performance:
    Fastest 100 Mbps data rate for higher resolution/accuracy communication; flexible low voltage logic supply interface down to 1.6 V; Improved signal integrity enables less expensive cable costs
     
  • Small Size:
    Reduced footprint with small 8-, 10-, and 12-pin TDFN packages

Availability and Pricing

  • The MAX22500E is available in a 10-pin TDFN (3 mm × 3 mm) package for $3.51 (1000-up, FOB USA) at Maxim's website and select authorized distributors
     
  • The MAX22501E is available in an 8-pin TDFN (3 mm × 3 mm) package for $1.79 (1000-up, FOB USA) at Maxim's website and select authorized distributors
     
  • The MAX22502E is available in a 12-pin TDFN (3 mm × 3 mm) package for $3.94 (1000-up, FOB USA) at Maxim's website and select authorized distributors
     
  • The MAX22500EEVKIT#, MAX22501EEVKIT#, and MAX22502EEVKIT# evaluation kits are each available for $95

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