max485 application note max485 application note
Note 9: Start-up time is the time for communication to recover after a fault condition. The MAX483, MAX487, MAX488, and MAX489 . Note: The XPort-485 product does not include the RS-422/485 transceiver. Availability Stock: Non-Stocked, Call for Quote . MAX485 Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers Free Samples MAX485E 15kV ESD-Protected, Slew-Rate-Limited, Low-Power, 100Mbps with the introduction of products such as the MAX22500E. Dissipation Rating Table PACKAGE TA 25C DERATING FACTOR TA = 70C Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers MAX485 Apr. Each part contains one driver and one receiver. Application Notes. The MAX483, MAX487, MAX488, and MAX489 . Application Notes. Also refer the RS-485 Cable Lengths vs. Data Signaling Rate Application Note . 6.4 Thermal Information THERMAL METRIC(1) SN75176A D P UNIT 8 PINS 8 PINS RJA Junction-to-ambient thermal resistance 172 113 C/W Table 1. Explanation of Maxim RS-485 Features (PDF) FAQs about Interface, RS-232, and RS-485 Circuits (PDF) RS-485 Data Interface Gives Isolated, Full-Duplex Operation (PDF) . Abstract: Features are described for Maxim's large selection of RS-485 transceivers. Data time-out is the time a fault is indicated on RE after data communication has stopped. MAX485 Product details. To show similar products, select at least one checkbox. Please confirm your currency selection: . . The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. MAX485 Module. Price (See Notes) 1.72: . . This application note attempts to cover enough technical details so that the system designer will have considered all the important aspects in his data system design. Application Notes. (Notes 1, 2) Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to . Each part contains one driver and one receiver. 4, Working voltage: 5V. Adopting Half-Duplex communication to implement the function of converting TTL level info into RS485 level, can achieve a maximum transmission rate of 2.5 Mbps. The MAX485 has The questions are divided into different categories based on specific information areas. APPLICATION NOTE 4562 FAQs about Interface, RS-232, and RS-485 Circuits Aug 13, 2009 Abstract: This application note answers frequently asked questions (FAQs) about RS-232 and RS-485 . The MAX485 and the MAX485E are examples of two such parts. As RS-422/RS-485 uses differential signaling, it is more immune to noise and longer cables and/or high data rates can be used, especially in noisy environments. Data rates of 250kbaud are achieved . This application note explains the different features within Maxim's product line and thus will help you in selecting the most appropriate part for your needs. MAX485 application notes. (Notes 1, 2) R = 50 (RS-422) R = 27 (RS-485), Figure 3 R = 27 or 50, Figure 3 DC ELECTRICAL . * 3. The above test circuit is used to capture a typical RS-485 differential signal from driver to receiver when the line is terminated. Devices are identified to meet requirements for half- or full-duplex operation, supply voltages down to 2.5V, ESD protection up to 15kV, data rates from 250kbps to 12Mbps, slew-rate limited devices for low radiated noise . The purpose of this application note is to discuss the imple-mentation of RS-485/RS-422 in an industrial environment. To show similar products, select at least one checkbox. Below are explanations of the various features and other important . The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. The purpose of this application note is to provide enough information for an engineer to easily implement a design using the XPort-485. Espaol $ USD United States. The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. The IC contains one driver and one re- . This set of FAQs addresses some of the more common questions that can arise when using interface devices in new or existing designs. * 2. Abstract: This application note answers frequently asked questions (FAQs) about RS-232 and RS-485 transceivers. RS-485 allows App Note: RS-485 Data Interface Gives Isolated, Full-Duplex Operation: Tutorial: Guide to Selecting and Using RS-232, RS-422, and RS-485 Serial Data Standards | Maxim . Since both RS-422 and RS-485 are data transmission systems that use balanced differential signals, it is appropriate to discuss both systems in the same application note. Factory Pack Quantity . P with on chip CAN controller should work. Factory Pack Quantity . (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. This application note shows how to go farther and faster. (VCC = 5V 5%, T A = TMIN to T MAX, unless otherwise noted.) unless otherwise noted.) Explanation of Maxim RS-485 Features (PDF) FAQs about Interface, RS-232, and RS-485 Circuits (PDF) RS-485 Data Interface Gives Isolated, Full-Duplex Operation (PDF) . MAX485 : Unit Weight: 0.017870 oz : products found. It is important to note that the transmitted data line is "disabled" after a fixed interval, after the leading edge of the last bit. APPLICATION NOTE 2 AN212 3.0 PHOTOMOS BENCH TEST CIRCUIT RESULTS FIGURE 2. The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. After you have completed the RS485 module, Check the Board for any Solder Bridges before applying power.. MAX485 Maxim Integrated Maxim datasheet, inventory, & pricing. The MAX483, MAX487, MAX488, and MAX489 feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by . To show similar products, select at least one checkbox. What is the ultimate end use of this device/end product ? Each part contains one driver and one receiver. 7 Failsafe. 15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers, MAX485 Datasheet, MAX485 circuit, MAX485 data sheet : MAXIM, alldatasheet, Datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs and other semiconductors. Description: 1, on-board MAX485 chip is a low power consumption for RS-485 communications, Slew-Rate Transceiver. (Notes 1, 2) Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to . MAX485 module - RS485 module. MAX485 : Unit Weight: 0.007760 oz : products found. Introduction The various serial-datacom protocols range from RS-232 (EIA/TIA-232) to Gigabit Ethernet, and beyond. General Description. Failsafe operation is a receiver's ability to assume a determined output state in the absence of an input signal. All three , ( MAX481 /MAX483) Low 120 (jA Operating Current ( MAX483) Low 300|iA Operating Current ( MAX485 ) , , and MAX485 are low-power trans ceivers for RS-485 and RS-422 communication. The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Text: The MAX483 draws only 350nA of supply current, while the MAX481 and MAX485 draw 500^A. The MAX483, MAX487, MAX488, and MAX489 . RS-422/485 Application Note 13 1992 B&B Electronics PO Box 1040 Ottawa, IL 61350 control a converter of this type. The RS-485 standard is ideal for multi-drop applications and for long-distance interfaces. What application are you planning to use this part for ? Explanation of Maxim RS-485 Features (PDF) FAQs about Interface, RS-232, and RS-485 Circuits (PDF) RS-485 Data Interface Gives Isolated, Full-Duplex Operation (PDF) . Please note that MSP430 operates from a 3 to 3.3 V while MAX485 requires 5V DC.On the Launchpad board there is no 5V output,you can take the 5V output by soldering a wire to the USB connector(use a multimeter to identify the 5V DC pin from ground). Applications for RS-485/RS-422 include process control networks; industrial automation; remote terminals; building automation, such as heating, ventilation, air conditioning Skip to Main Content (800) 346-6873. Mar 19, 2008 2019_R1.1 HTC 9/10 APPLICATION INFORMATION FUNCTIONAL DESCRIPTION The MAX485 is half-duplex differential transceiver that meets the requirements of RS-485 and RS-422. Abstract: A circuit is described that provides fully isolated RS-485 full-duplex data communication with only two integrated circuits (ICs). unless otherwise noted.) Each part contains one driver and one receiver. max485 application circuit With fullduplex (one-way transmission with transmitter always enabled), you need a termination resistor at the receiver-side line end. An internal transformer-coupled isolated supply and internal optocouplers in the data path provide typical isolation to 1600Vrms for 1 minute or 2000Vram for 1 second. The bold arrows indicate the oscilloscope channel used for measuring the signals. MAX485 DESCRIPTION FEATURES APPLICATION ORDERING INFORMATION The MAX485 is low-power transceivers for RS-485 and RS-422 communication. Add Notes. 2, the board received 5.08 (mm) pitch 2P terminal, convenient RS-485 communication wiring. Factory Pack Quantity . What are the advantages of RS-422/RS-485 over RS-232? sn75176 application notes Can needs a special controller cause the frame is partly different from regular UART. Note Drivers with long rise times are well suited for applications requiring long stub lengths and reduced, device-generated EMI. If this interval is too short, you can miss parts of each character being sent. Each part contains one driver and one receiver. Explanation of Maxim RS-485 Features. unless otherwise noted.) MAX485 : Unit Weight: 0.032805 oz : products found. 3, the chip has drawn all the pins, you can control the operation of the microcontroller. Throughout Though each protocol suits a particular application, in all cases you must consider cost and performance of . (Notes 1, 2) Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to . Also, RS-485 allows for multi-point operation, up to . The application note provides the following information: Overview of RS-422/RS-485 How to connect the XPort to an RS-485 transceiver Note 8: The maximum baud rate is 250kBd with 10% sampling jitter. Contact Mouser (USA) (800) 346-6873 | Feedback. English. Note 10: ICC measured with no load, ST1 and ST2 floating. The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. TEST CIRCUIT USED TO TEST RS-485 SIGNALS USING SP336. Change Location. On-board MAX485 chip is a low-power and slew-rate-limited transceiver used for RS485 communication. Lower baud rates have lower jitter. Three possible causes can lead to the loss of signal (LOS): 1. List the country . Each part contains one driver and one receiver.
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