The MAX3161E evaluation kit (EV kit) circuit demonstrates
the RS-232/RS-485/RS-422 multiprotocol transceivers
using the MAX3161E IC. The circuit can be
configured to operate as a dual transceiver in RS-232
mode or as a single transceiver in RS-485/RS-422
mode. The MAX3161E RS-232 data rates can reach
1Mbps, while RS-485/RS-422 data rates can reach
10Mbps. The configurable slew-rate limiting feature
reduces data rates for either protocol to achieve
reduced EMI.
In RS-485/RS-422 mode, the EV kit demonstrates full-duplex
or half-duplex communication. The MAX3161E
drivers feature short-circuit and thermal protection as
well as fail-safe circuitry for open, shorted, or unconnected
RS-485/RS-422 receiver inputs. The MAX3161E
EV kit operates from a single 3V to 5.5VDC supply
capable of providing 100mA.
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