The MAX3293/MAX3294/MAX3295 low-power, high-speed
transmitters for RS-485/RS-422 communication
operate from a single +3.3V power supply. These
devices contain one differential transmitter. The
MAX3295 transmitter operates at data rates up to
20Mbps, with an output skew of less than 5ns, and a
guaranteed driver propagation delay below 25ns. The
MAX3293 (250kbps) and MAX3294 (2.5Mbps) are
slew-rate limited to minimize EMI and reduce reflections
caused by improperly terminated cables.
The MAX3293/MAX3294/MAX3295 output level is guaranteed
at +1.5V with a standard 54Ω load, compliant with RS-485 specifications. The transmitter draws 5mA
of supply current when unloaded, and 1µA in low-power
shutdown mode (DE = GND).
Hot-swap circuitry eliminates false transitions on the data
cable during circuit initialization or connection to a live
backplane, and short-circuit current limiting and thermalshutdown
circuitry protect the driver against excessive
power dissipation.
The MAX3293/MAX3294/MAX3295 are offered in a
6-pin SOT23 package, and are specified over the
automotive temperature range.
Key Features
Applications/Uses
Space-Saving 6-Pin SOT23 Package
250kbps/2.5Mbps/20Mbps Data Rates Available
Operate from a Single +3.3V Supply
ESD Protection
±9kV—Human Body Model
Slew-Rate Limited for Errorless Data
Transmission (MAX3293/MAX3294)
1µA Low-Current Shutdown Mode
-7V to +12V Common-Mode Input Voltage Range
Current Limiting and Thermal Shutdown for
Driver-Overload Protection
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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