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maxim_481_483_491.pdf
Single 5V Supply X guarantees a logic-high output if the input is open circuit. 4 The MAX487 and MAX1487 feature quarter-unit-load Allows up to 128 Transceivers on the Bus receiver input impedance, allowing up to 128 MAX487/ (MAX487/MAX1487) 8 MAX1487 transceivers on the bus. Full-duplex communi- Current-Limiting
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MAX485.pdf
Single 5V Supply X guarantees a logic-high output if the input is open circuit. 4 The MAX487 and MAX1487 feature quarter-unit-load Allows up to 128 Transceivers on the Bus receiver input impedance, allowing up to 128 MAX487/ (MAX487/MAX1487) 8 MAX1487 transceivers on the bus. Full-duplex communi- Current-Limiting
in „Kommunikation mit PC“ · Mikrocontroller und Digitale Elektronik ·
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MAX1487-MAX491.pdf
M MAX485CUA 0°C to +70°C 8 µMAX MAX491MJD -55°C to +125°C 14 CERDIP MAX485C/D 0°C to +70°C Dice* MAX1487CPA 0°C to +70°C 8 Plastic DIP A MAX485EPA -40°C to +85°C 8 Plastic DIP MAX1487CSA 0°C to +70°C 8 SO X MAX1487CUA 0°C to +70°C 8 µMAX MAX485ESA -40°C to +85°C 8 SO MAX1487C/D 0°C to +70°C Dice* 4 MAX485MJA -55°C to +125°C 8 CERDIP 8 MAX487CPA 0°C to +70°C 8 Plastic DIP MAX1487EPA -40°C to +85°C 8 Plastic DIP 5 MAX487CSA 0°C to +70°C 8 SO MAX1487ESA -40°C to +85°C 8 SO / MAX487CUA 0°C to +70°C 8 µMAX MAX1487MJA -55°C to +125°C 8 CERDIP M MAX487C/D 0°C to +70°C Dice* * Contact
in „SPI Recihweite über RS422 (MAX490) erhöhen?“ · Mikrocontroller und Digitale Elektronik ·
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MAX491.pdf
M MAX485CUA 0°C to +70°C 8 µMAX MAX491MJD -55°C to +125°C 14 CERDIP MAX485C/D 0°C to +70°C Dice* MAX1487CPA 0°C to +70°C 8 Plastic DIP A MAX485EPA -40°C to +85°C 8 Plastic DIP MAX1487CSA 0°C to +70°C 8 SO X MAX1487CUA 0°C to +70°C 8 µMAX MAX485ESA -40°C to +85°C 8 SO MAX1487C/D 0°C to +70°C Dice* 4 MAX485MJA -55°C to +125°C 8 CERDIP 8 MAX487CPA 0°C to +70°C 8 Plastic DIP MAX1487EPA -40°C to +85°C 8 Plastic DIP 5 MAX487CSA 0°C to +70°C 8 SO MAX1487ESA -40°C to +85°C 8 SO / MAX487CUA 0°C to +70°C 8 µMAX MAX1487MJA -55°C to +125°C 8 CERDIP M MAX487C/D 0°C to +70°C Dice* * Contact
in „MAX491 -Defekt??“ · Mikrocontroller und Digitale Elektronik ·
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MAX481_422.pdf
-40°C to +85°C 8 Plastic DIP MAX491MJD -55°C to +125°C 14 CERDIP M MAX483ESA -40°C to +85°C 8 SO MAX1487CPA 0°C to +70°C 8 Plastic DIP A MAX483MJA -55°C to +125°C 8 CERDIP MAX485 CPA 0°C to +70°C 8 Plastic DIP MAX1487CSA 0°C to +70°C 8 SO X MAX485CSA 0°C to +70°C 8 SO MAX1487CUA 0°C to +70°C 8 µMAX 4 MAX485CUA 0°C to +70°C 8 µMAX MAX1487C/D 0°C to +70°C Dice* 8 MAX1487EPA -40°C to +85°C 8 Plastic DIP 5 MAX485C/D 0°C to +70°C Dice* MAX1487ESA -40°C to +85°C 8 SO MAX485EPA -40°C to +85°C 8 Plastic DIP MAX1487MJA -55°C to +125°C 8 CERDIP
in „Problem mit MAX481 Transmitter“ · Mikrocontroller und Digitale Elektronik ·
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MAX485.pdf
-40°C to +85°C 8 Plastic DIP MAX491MJD -55°C to +125°C 14 CERDIP M MAX483ESA -40°C to +85°C 8 SO MAX1487CPA 0°C to +70°C 8 Plastic DIP A MAX483MJA -55°C to +125°C 8 CERDIP MAX485 CPA 0°C to +70°C 8 Plastic DIP MAX1487CSA 0°C to +70°C 8 SO X MAX485CSA 0°C to +70°C 8 SO MAX1487CUA 0°C to +70°C 8 µMAX 4 MAX485CUA 0°C to +70°C 8 µMAX MAX1487C/D 0°C to +70°C Dice* 8 MAX1487EPA -40°C to +85°C 8 Plastic DIP 5 MAX485C/D 0°C to +70°C Dice* MAX1487ESA -40°C to +85°C 8 SO MAX485EPA -40°C to +85°C 8 Plastic DIP MAX1487MJA -55°C to +125°C 8 CERDIP
in „STM32 UART Kommunikation -> Langsamer uC Tod“ · Mikrocontroller und Digitale Elektronik ·
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Funktionstabellen für MAX481/MAX483/MAX485/MAX487/MAX1487
Function Tables (MAX481/MAX483/MAX485/MAX487/MAX1487) Table 1. Transmitting Table 2. Receiving INPUTS OUTPUTS RE DE DI Z Y X 1 1 0 1 X 1 0 1 0 0 0 X High-Z High-Z 1 0 X High-Z* High-Z* INPUTS OUTPUT RE DE A-B RO 0 0 >= +0.2V 1 0 0 <= -0.2V 0 0 0 Inputs
in „Fehlerhafte RO Idle Polarität ESP8266 <- MAX485“ · Mikrocontroller und Digitale Elektronik · · Screenshots
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MAX1480A.pdf
____ Complete, Isolated RS-485/RS-422 Data Interface M V A CC3 ISO CC1 X MAX845 D1 Q N MAX1480A: MAX1487 1 OSC MAX1480C: MAX487 4 FS 1.07MHz/ T F/F ISO DI IN B 1.45MHz D2 D 8 Q N ISO DE IN A 0 A ISO RO DRV R / GND1 RE B SD C ISO COM1 , EXTERNAL RS-485/RS-422 WIRING TERMINATING RESISTOR M MAX1480A/B/C
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MAX1480A-MAX1490B.pdf
_ 11 Complete, Isolated RS-485/RS-422 Data Interface B / VCC3 A ISO VCC1 D1 0 Q MAX845 MAX1480A: MAX1487 9 N MAX1480B: MAX487 FS 1.07MHz/ T F/F MAX1480C: MAX487 B 4 1.45MHz ISO DI IN D 1 Q D2 N ISO DE IN A X ISO RO DRV R A SD GND1 RE M , ISO COM1 C EXTERNAL RS-485/RS-422 WIRING / TERMINATING RESISTOR
in „[V] 1St. DS1480ACPI DIL Complete, Isolated RS-485/RS-422 Data Interface“ · Markt ·
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Schaltplan eines RS-485 Transceivers
MAX481 MAX483 MAX485 MAX487 MAX1487 RO RE DE DI Vcc B Rt A GND DI DE RE RO D R B A Rt
in „MAX485 - Echo an Empfängerleitung“ · Mikrocontroller und Digitale Elektronik · · Schaltpläne
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Schematic_ESP32-MES-WiFi_2026-03-31.pdf
I SI C I I SIS I I D D V D D D D D C C LON Transceiver I O E D R D N N N O O O L L L U3 VCC5 R21 MAX1487CSA+T 1k 1 8 2RO 7CC LB 3/RE 6 4DE 5 DI GND R2 1k LA D D R1 R5 C1 2k2 10k 100n TITLE: Windhager LON WiFi Gateway REV: 1.1 Company: Your Company GND Sheet: 1/1 Date: 2019-05-14 Drawn By: g3gg0.de 1
in „LON Bus Windhager mitlesen/steuern“ · Softwareentwicklung ·
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kicad_8450_dcm_liste_neu_v3.pdf
16Mbps, DFN-14 package MAX13450E 20Mbps RS485 transceiver with integrated switchable termination MAX1487E Half duplex RS-485/RS-422, 2.5 Mbps, ±15kV electro-static discharge (ESD) protection, no slew-rate, no low-power shutdown, with receiver/driver enable, 128 receiver drive kapacitity, DIP-8 and SOIC
in „KiCAD Eeschema, Bibliotheksdokumentation *.dcm als PDF-Datei“ · Platinen ·
