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MAX14850AEE+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX14850AEE+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 17 page  General Description The MAX14850 is a six-channel digital isolator utilizing Maxim’s proprietary process technology, whose mono- lithic design provides a compact and low-cost transfer of digital signals between circuits with different power domains. The technology enables low power consump- tion and stable high-temperature performance. The four unidirectional channels are each capable of DC to 50Mbps, with two of the four channels passing data across the isolation barrier in each direction. The two bidirectional channels are open-drain; each capable of data rates from DC to 2Mbps. Independent 3.0V to 5.5V supplies on each side of the isolator also make it suitable for use as a level translator. The MAX14850 can be used for isolating SPI buses, I2C buses, RS-232, RS-485/RS-422 buses, and general-pur- pose isolation. When used as a bus isolator, extra chan- nels are available for power monitoring and reset signals. The MAX14850 is available in a narrow body,16-pin SOIC (10mm x 4mm) package (for which an evaluation kit is available) and 16-pin QSOP (3.9mm x 4.94mm) package. The packages are specified over the -40°C to +125°C temperature range. For improved performance, refer to the MAX14851. The MAX14851 has the same functionality and pin con- figurations, and can be used as a footprint and functional replacement for the MAX14850. Applications ● Industrial Control Systems ● I2C, SPI, SMBus, PMBus™ Interfaces ● Isolated RS-232, RS-485/RS-422 ● Telecommunication Systems ● Battery Management ● Medical Systems Benefits and Features ● Protection from High-Voltage Environments • 600VRMS Isolation for 60 Seconds • Short-Circuit Protection on Unidirectional Outputs • 200VRMS Working Isolation Voltage for 50 Years ● Complete Digital Isolation Solution • Four Unidirectional Signal Paths: 2-In/2-Out • Two Bidirectional Open-Drain Signal Paths • 50Mbps (max) Unidirectional Data Rate • 2Mbps (max) Bidirectional Data Rate ● Compatible with Many Interface Standards • I2C • SPI • RS-232, RS-422/RS-485 • SMBus, PMBus Interfaces Ordering Information appears at end of data sheet. PMBus is a trademark of SMIF, Inc. 19-6161; Rev 3; 9/19 Typical Operating Circuits I/OA1 RST CS SCLK ADC MOSI MISO GPIO1 I/OA2 GPIO2 INA1 SCLK INA2 MOSI OUTA1 MISO OUTA2 I/OB1 I/OB2 OUTB1 OUTB2 INB1 INB2 GPIO3 µC GNDA GNDB VCCA VCCB RPUA RPUA RPUB RPUB 0.1µF 0.1µF 3.3V 5V VCCB MONITOR MAX14850 600VRMS ISOLATION MAX14850 Six-Channel Digital Isolator EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. |
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