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Linear Technology/Analog Devices
LTM2894
Maxim Integrated
MAX12930, 31 Series
 
Maxim Integrated
MAX12934, 35 Series
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MAX12930, 31 Series

Two-Channel Digital Isolators

Maxim Integrated

The MAX12930/MAX12931 are a family of 2-channel, 3.75kV/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.

Product Description

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. Independent 1.71V to 5.5V supplies on each side of the isolator also make the devices suitable for use as level translators.

Features
  • Robust Galvanic Isolation of Digital Signals
  • Low Power Consumption
Applications
  • Fieldbus Communications for Industrial Automation
  • Isolated RS232, RS-485/RS-422, CAN
  • General Isolation Application
  • Battery Management
  • Medical Systems
Specifications
  • Channel Type:Unidirectional
  • Common Mode Transient Immunity (Min):50kV/µs ~ 50kV/µs (Typ)
  • Data Rate:25Mbps ~ 150Mbps
  • Isolated Power:No
  • Mounting Type:Surface Mount
  • Number of Channels:2
  • Operating Temperature:-40°C ~ 125°C
  • Pulse Width Distortion (Max):2ns ~ 4ns
  • Rise / Fall Time (Typ):1.6ns, 1.4ns (Max)
  • Supplier Device Package:8-SOIC ~ 16-SOIC
  • Technology:Capacitive Coupling
  • Type:General Purpose
  • Voltage - Isolation:3000Vrms ~ 5000Vrms
  • Voltage - Supply:1.71V ~ 5.5V
Parts

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MAX12931BASA+MAX12931BASA+DGTL ISO 3.75KV 2CH 8SOIC Capacitive CouplingGeneral PurposeNo28-SOIC (0.154", 3.90mm Width)
MAX12930FASA+MAX12930FASA+OPTOISO 3.75KV 2CH 8SOIC Capacitive CouplingGeneral PurposeNo28-SOIC (0.154", 3.90mm Width)
MAX12931BAWE+MAX12931BAWE+DGTL ISO 5KV 2CH 16SOIC Capacitive CouplingGeneral PurposeNo216-SOIC (0.295", 7.50mm Width)
MAX12931BASA+TMAX12931BASA+TDGTL ISO 3.75KV 2CH 8SOIC Capacitive CouplingGeneral PurposeNo28-SOIC (0.154", 3.90mm Width)
MAX12931FASA+MAX12931FASA+DGTL ISO 3.75KV 2CH 8SOIC Capacitive CouplingGeneral PurposeNo28-SOIC (0.154", 3.90mm Width)

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Associated Product
Maxim Integrated MAX12931BWEVKIT#
Category: Semiconductors, Development Tools-Programmers, Development Systems-Evaluation Boards-Evaluation, Demo Boards, Kits-Interface