The MAX13430E–MAX13433E are full- and half-duplex RS-485 transceivers that feature an adjustable low-voltage logic interface for operation in multivoltage systems. This allows direct interfacing to low-voltage ASIC/FPGAs without extra components. The MAX13430E–MAX13433E RS-485 transceivers operate with a VCC voltage supply from +3V to +5V. The low-voltage logic interface operates with a voltage supply from +1.62V to VCC.
The MAX13430E/MAX13432E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 500kbps. The MAX13431E/MAX13433E driver slew rates are not limited, enabling data transmission up to 16Mbps. The MAX13430E/MAX13431E are intended for half-duplex communications, and the MAX13432E/MAX13433E are intended for full-duplex communications.
The MAX13430E/MAX13431E are available in 10-pin µMAX® and 10-pin TDFN packages. The MAX13432E/MAX13433E are available in 14-pin TDFN and 14-pin SO packages.
Key Features
Applications/Uses
Wide +3V to +5V Input Supply Range
Low-Voltage Logic Interface +1.62V (min)
Ultra-Low Supply Current in Shutdown Mode
10µA ICC (max), 1µA IL (max)
Thermal Shutdown Protection
Hot-Swap Input Structures on DE and RE
1/8-Unit Load Allows Up to 256 Transceivers on the Bus
Enhanced Slew-Rate Limiting (MAX13430E/MAX13432E)
Extended ESD Protection for RS-485 I/O Pins
±30kV Human Body Model
±15kV Air-Gap Discharge per IEC 61000-4-2
±10kV Contact Discharge per IEC 61000-4-2
Extended -40°C to +85°C Operating Temperature Range
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