Details, datasheet, quote on part number: MAX1485CUB
PartMAX1485CUB
CategoryInterface and Interconnect
DescriptionSoftware-Selectable, Half-/Full-Duplex, Slew-Rate-Limited, 12Mbps, RS-485/RS-422 Transceivers in Max Package
CompanyMaxim Integrated Products
DatasheetDownload MAX1485CUB datasheet
Cross ref.Similar parts: SN65HVD3080E, SN65HVD3086E
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Features, Applications

Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited, 12Mbps, RS-485/RS-422 Transceivers in 然AX Package

The MAX1481/MAX1484/MAX1485/MAX1486 provide software-selectable, half-/full-duplex, low-power, slewrate-limited, and high-speed (12Mbps) RS-485/RS-422 operation a 10-pin 然AX package--the smallest 10-pin package available. The software-selectable, half-/full-duplex MAX1485/ MAX1486 make obsolete the normally larger and more expensive solutions required for selectable half-/fullduplex RS-485/RS-422 operation: a 14-pin, fullduplex transceiver configured via jumpers between receiver and transmitter lines, or 2) two 8-pin, halfduplex transceivers, which require an additional inverter logic gate for software selectability. The MAX1481/MAX1484 are functionally equivalent to the industry-standard MAX491 and 75180, and are designed for space-constrained, full-duplex RS-422 applications. All parts contain one driver and one receiver and feature a 1/8-unit-load receiver input impedance, allowing to 256 transceivers on the bus. The MAX1481/ MAX1485 feature reduced-slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission to 250kbps. The MAX1484/MAX1486 driver slew rates are not limited, allowing them to transmit to 12Mbps. The MAX1481/MAX1484/MAX1485/MAX1486 draw only 300渙 of supply current. The MAX1481 has a low-power shutdown mode that reduces supply current to only 0.1渙. All devices operate from a single 5V supply. Drivers are output short-circuit current limited and are protected against excessive power dissipation by thermal-shutdown circuitry that places the driver outputs into a high-impedance state. The receiver input has a failsafe feature that guarantees a logic-high output if the input is open circuit.

o 10-Pin 然AX Package: Smallest 10-Pin Package o Software-Selectable Half-/Full-Duplex Operation o 0.1渙 Low-Current Shutdown Mode (MAX1481) o Slew-Rate Limiting Allows Error-Free Data Transmission o 12Mbps High-Speed Operation (MAX1484/MAX1486) o Allow to 256 Transceivers on the Bus

PART MAX1486CUB MAX1486EUB TEMP. RANGE to +85蚓 PIN-PACKAGE 10 然AX 10 然AX 10 然AX 10 然AX 10 然AX 10 然AX 10 然AX 10 然AX

Low-Power RS-422/RS-485 Communications Level Translators Hand-Held Equipment Battery-Powered Equipment Transceiver for EMI-Sensitive Applications Industrial-Control Local Area Networks

Part MAX1485 MAX1486 Half/Full Duplex Full Selectable Data Rate (Mbps) SlewRate Limited Yes No Yes No LowPower Shutdown Yes No Driver Enable Yes Receiver Enable Yes No Quiescent Current (渙) Transceivers on Bus PinPackage 10 然AX 10 然AX 10 然AX 10 然AX 1

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468.

Supply Voltage (VCC)............................................................+7V Control Input Voltage (RE, DE, H/F)...........-0.3V to (VCC + 0.3V) Driver Input Voltage (DI).............................-0.3V to (VCC + 0.3V) Driver Output Voltage (A, to +12.5V Receiver Input Voltage, Half Duplex (Y, to +12.5V Receiver Input Voltage, Full Duplex (A, to +12.5V Receiver Output Voltage (RO)....................-0.3V to (VCC + 0.3V) Continuous Power Dissipation 10-Pin 然AX (derate 5.6mW/蚓 above +70蚓)............444mW Operating Temperature Ranges to +85蚓 Storage Temperature to +160蚓 Lead Temperature (soldering, 10sec).............................+300蚓

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.

(VCC TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and = +25蚓.) (Note 1) PARAMETER DRIVER VOD1 Differential Driver Output Change in Magnitude of Differential Output Voltage (Note 2) Driver Common-Mode Output Voltage Change in Magnitude of Common-Mode Voltage (Note 2) Input High Voltage Input Low Voltage Input Current Input Current (Y and Z for Half Duplex, A and B for Full Duplex) Output Leakage (Y and Z) (MAX1481/MAX1484 Only) Output Leakage (Y and Z) (MAX1485/MAX1486 Only) Driver Output Short-Circuit Current (Note VOD2 No load, Figure 50 (RS-422), Figure 27 (RS-485), Figure or 27, Figure 5 V SYMBOL CONDITIONS MIN TYP MAX UNITS

(VCC TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and = +25慢.) (Note 1) PARAMETER RECEIVER Receiver Differential Threshold Voltage Receiver Input Hysteresis Receiver Output High Voltage Receiver Output Low Voltage Three-State Output Current at Receiver Input Resistance Receiver Output Short-Circuit Current SUPPLY CURRENT No-Load Supply Current Supply Current in Shutdown Mode (MAX1481 Only) ICC ISHDN RE = GND, DE = VCC DE = GND, RE = VCC 渙 VTH VOH VOL IOZR RIN IOSR = -4mA, VID = 4mA, VID 2.4V -7V VCM 12V 0V VRO VCC -7V VCM k mA SYMBOL CONDITIONS MIN TYP MAX UNITS

(VCC TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and = +25蚓.) PARAMETER Driver Input to Output Driver Input to Output Driver Output Skew | tDPLH - tDPHL | Driver Rise or Fall Time Maximum Data Rate Driver Enable to Output Low Driver Enable to Output High Driver Disable Time from Low Driver Disable Time from High Receiver Input to Output SYMBOL tDPLH tDPHL tDSKEW tDR, tDF fMAX tDZL tDZH tDLZ tDHZ tRPLH, tRPHL tRSKD tRZL tRZH tRLZ tRHZ 100pF, S1 closed, Figures 8 and 100pF, S2 closed, Figures 8 and 15pF, S1 closed, Figures 8 and 15pF, S2 closed, Figures 8 and 10 Figures 11 and 13 Figures 11 and 100pF, S1 closed, Figures 6 and 100pF, S2 closed, Figures 6 and 100pF, S1 closed, Figures 6 and 100pF, S2 closed, Figures 6 and 12 CONDITIONS RDIFF = 100pF, Figures 7 and 9 RDIFF = 100pF, Figures 7 and 9 RDIFF = 100pF, Figures 7 and MIN TYP MAX UNITS ns Mbps ns

Receiver Enable to Output Low Receiver Enable to Output High Receiver Disable Time from Low Receiver Disable Time from High


 

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