Click here for production status of specific part numbers. MAX3293MAX3295 20Mbps, +3.3V, SOT23 RS-485/ RS-422 Transmitters General Description Features The MAX3293/MAX3294/MAX3295 low-power, high- Space-Saving 6-Pin SOT23 Package speed transmitters for RS-485/RS-422 commu- 250kbps/2.5Mbps/20Mbps Data Rates Available nication operate from a single +3.3V power supply. Operate from a Single +3.3V Supply These devices contain one differential transmitter. The MAX3295 transmitter operates at data rates up ESD Protection 9kVHuman Body Model to 20Mbps, with an output skew of less than 5ns, and a guaranteed driver propagation delay below 25ns. Slew-Rate Limited for Errorless Data Transmission The MAX3293 (250kbps) and MAX3294 (2.5Mbps) are (MAX3293/MAX3294) slew-rate limited to minimize EMI and reduce reflections 1A Low-Current Shutdown Mode caused by improperly terminated cables. -7V to +12V Common-Mode Input Voltage Range The MAX3293/MAX3294/MAX3295 output level is Current Limiting and Thermal Shutdown for guaranteed at +1.5V with a standard 54 load, compliant Driver-Overload Protection with RS-485 specifications. The transmitter draws 5mA of supply current when unloaded, and 1A in low-power Hot-Swap Inputs for Telecom Applications shutdown mode (DE = GND). Automotive Temperature Range (-40C to +125C) Hot-swap circuitry eliminates false transitions on the AEC-Q100 Qualified MAX3295AUT/V+T data cable during circuit initialization or connection to a live backplane, and short-circuit current limiting and Ordering Information thermal-shutdown circuitry protect the driver against PART TEMP RANGE PIN-PACKAGE excessive power dissipation. MAX3293AUT+T -40C to +125C 6 SOT23-6 The MAX3293/MAX3294/MAX3295 are offered in a 6-pin SOT23 package, and are specified over the MAX3294AUT+T -40C to +125C 6 SOT23-6 automotive temperature range. MAX3295AUT+T -40C to +125C 6 SOT23-6 MAX3295AUT/V+T -40C to +125C 6 SOT23-6 Applications +Denotes a lead(Pb)-free/RoHS-compliant package. RS-485/RS-422 Communications T = Tape and reel. Clock Distribution /V denotes automotive-qualified package. Telecom Equipment Automotive Selector Guide Security Equipment Point-of-Sale Equipment MAXIMUM SLEW- TOP PART DATA RATE RATE Industrial Control MARK (Mbps) LIMITED Typical Operating Circuit ABNI or MAX3293AUT+T 0.25 Yes ABVH 120 ABNJ or Z MAX3294AUT+T 2.5 Yes DI ABVI D R RO Y DE ABNK or MAX3295AUT+T 20 No ABVJ MAX3293 MAX3280E MAX3294 MAX3281E MAX3295AUT/V+T 20 No +ACSB MAX3295 MAX3283E MAX3284E Pin Configuration appears at end of data sheet. 19-2770 Rev 5 4/19MAX3293MAX3295 20Mbps, +3.3V, SOT23 RS-485/ RS-422 Transmitters Absolute Maximum Ratings (All voltages referenced to GND, unless otherwise noted.) Operating Temperature Ranges Supply Voltage (V ) ............................................................+6V MAX32 AUT .............................................. -40C to +125C CC DE, DI ......................................................................-0.3V to +6V Storage Temperature Range ............................ -65C to +160C Y, Z ........................................................................-7V to +12.5V Junction Temperature .....................................................+160C Maximum Continuous Power Dissipation (T = +70C) Lead Temperature (soldering, 10s) .................................+300C A SOT23 (derate 8.2mW/C above +70C) .................654.1mW Soldering Temperature (reflow) .......................................+260C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Package Information 6 SOT23 Package Code U6CN+2 Outline Number 21-0058 Land Pattern Number 90-0175 Thermal Resistance, Single-Layer Board: Junction to Ambient ( ) (C/W) 122.3 JA Junction to Case ( ) (C/W) 84 JC Thermal Resistance, Multilayer Board: Junction to Ambient ( ) (C/W) 74.6 JA Junction to Case ( ) (C/W) 6 JC For the latest package outline information and land patterns (footprints), go to www.maximintegrated.com/packages. Note that a +, , or - in the package code indicates RoHS status only. Package drawings may show a different suffix character, but the drawing pertains to the package regardless of RoHS status. Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Maxim Integrated 2 www.maximintegrated.com