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MAX12931 Dataheets PDF



Part Number MAX12931
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description Digital Isolators
Datasheet MAX12931 DatasheetMAX12931 Datasheet (PDF)

Click here for production status of specific part numbers. MAX12930/MAX12931 EVALUATION KIT AVAILABLE Two-Channel, Low-Power, 3kVRMS and 5kVRMS Digital Isolators General Description The MAX12930/MAX12931 are a family of 2-channel, 3kV/5kVRMS digital galvanic isolators using Maxim’s proprietary process technology. These devices transfer digital signals between circuits with different power domains while using as little as 0.65mW per channel at 1Mbps with 1.8V. The two channels of the MAX12931 t.

  MAX12931   MAX12931



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Click here for production status of specific part numbers. MAX12930/MAX12931 EVALUATION KIT AVAILABLE Two-Channel, Low-Power, 3kVRMS and 5kVRMS Digital Isolators General Description The MAX12930/MAX12931 are a family of 2-channel, 3kV/5kVRMS digital galvanic isolators using Maxim’s proprietary process technology. These devices transfer digital signals between circuits with different power domains while using as little as 0.65mW per channel at 1Mbps with 1.8V. The two channels of the MAX12931 transfer data in opposite directions, and this makes the MAX12931 ideal for isolating the TX and RX lines of a transceiver. The MAX12930 features two channels transferring data in the same direction. Both devices are available with a maximum data rate of either 25Mbps or 150Mbps and with the default outputs that are either high or low. The default is the state the output assumes when the input is not powered, or if the input is open-circuit. See the Ordering Information for suffixes associated with each option. Independent 1.71V to 5.5V supplies on each side of the isolator also make the devices suitable for use as level translators. The MAX12930/MAX12931 are available in an 8-pin, narrow-body SOIC package. In addition, the MAX12931 is available in a 16-pin, wide-body SOIC package. The package material has a minimum comparative tracking index (CTI) of 600V, which gives it a group 1 rating in creepage tables. All devices are rated for operation at ambient temperatures of -40°C to +125°C. Ordering Information appears at end of data sheet. Benefits and Features ●● Robust Galvanic Isolation of Digital Signals • Withstands 5kVRMS for 60s (VISO) Wide-Body • Withstands 3kVRMS for 60s (VISO) Narrow-Body • Continuously Withstands 848VRMS (VIOWM) Wide-Body • Continuously Withstands 445VRMS (VIOWM) Narrow-Body • Withstands ±10kV Surge Between GNDA and GNDB with 1.2/50µs Waveform • High CMTI (50kV/µs, typ) ●● Options to Support a Broad Range of Applications • 2 Data Rates (25Mbps/150Mbps) • 2 Channel Direction Configurations • 2 Output Default States (High or Low) ●● Low Power Consumption • 1.3mW per Channel at 1Mbps with VDD = 3.3V • 3.3mW per Channel at 100Mbps with VDD = 1.8V Safety Regulatory Approvals (see Safety Regulatory Approvals) ●● UL According to UL1577 ●● cUL According to CSA Bulletin 5A ●● VDE 0884-10 Basic Applications ●● Fieldbus Communications for Industrial Automation ●● Isolated RS232, RS-485/RS-422, CAN ●● General Isolation Application ●● Battery Management ●● Medical Systems Functional Diagrams VDDA MAX12930 IN1 VDDB OUT1 VDDA OUT1 MAX12931 VDDB IN1 IN2 GNDA OUT2 GNDB IN2 GNDA OUT2 GNDB 19-8563; Rev 5; 3/19 MAX12930/MAX12931 Two-Channel, Low-Power, 3kVRMS and 5kVRMS Digital Isolators Absolute Maximum Ratings VDDA to GNDA.........................................................-0.3V to +6V VDDB to GNDB.........................................................-0.3V to +6V IN_ on SIDE A to GNDA...................................


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