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CA-IS3643HW

Ordering Code CA-IS3643HW Category

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Isolator with integrated isolated power

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CA-IS3643HW

Order Code CA-IS3643HW Category

Description

CA-IS3643HW

Quad Channel Digital Isolators with Iso-power

The CA-IS36xx family integrated signal and power isolation devices simplify system design and reduce board area. These devices are high-performance, dual-channel and four-channel, unidirectional reinforced digital isolators with up to 5kVRMS isolation rating and ultra-fast data rate. The integrated isolated DC-DC converter provides up to 650mW of isolated power and different output voltage configurations. These devices offer high electromagnetic immunity and low emissions while isolating different ground domains and block high-voltage/high-current transients from sensitive or human interface circuitry. Each isolation channel has a logic input and output buffer separated by capacitive silicon dioxide (SiO2) insulation barrier, the integrated Schmitt trigger on each input provide excellent noise immunity.

The CA-IS362x devices are dual-channel digital isolators and the CA-IS3640/CA-IS3641/CA-IS3642/CA-IS3643/CA- IS3644 devices are quad-channel digital isolators. They offer all possible unidirectional channel configurations to accommodate any 2-channel or 4-channel digital I/Os design, including SPI, RS-485, and digital I/O applications, see Name Convention for more detail, also Table 5-1 shows the detail configurations of digital signal transmission direction for each part. The CA-IS36xx family also features different default outputs. When the input is either not powered or is open-circuit, the default output is low for devices with suffix L and high for devices with suffix H, see the Ordering Information for suffixes associated with each option. The individual logic supply input of CA-IS36xxLVW and CA-IS36xxHVW devices allows fully compatible +3.3V and +5.0V logic on side-A digital lines.

The CA-IS36xx family devices are specified over the -40°C to +125°C operating temperature range and are available in 16-pin SOIC wide body package.

Features

  • Integrated High-efficiency DC-DC Converter withon-chip Transformer
    • Regulated output options: 3.3 V or 5.0 V
    • Up to 650mW output power
    • Soft-start to limit inrush current and overshoot
    • Overload and short-circuit protection
    • Thermal shutdown
    • Low emissions
  • Robust Galvanic Isolation of Digital Signals
    • High lifetime: > 40 years
    • Withstands 5kVRMS for 60s
    • ±150 kV/μs typical CMTI
    • Schmitt trigger inputs
  • Interfaces Directly with Most Micros and FPGAs
    • Data rate: DC to 100Mbps
    • 3V to 5.5V single supply operation, also provide individual logic supply input (CA-IS36xxLVW and CA-IS36xxHVW devices only)
    • Default output High (CA-IS364xH) and Low (CA-IS362xL, CA-IS364xL) Options
  • Best in class propagation delay and skew
    • 10ns typical propagation delay
    • 2ns propagation delay skew (chip -to-chip)
    • 1ns pulse width distortion
  • No Start-Up Initialization Required
  • Wide-body SOIC16-WB(W) package
  • Wide operating temperature range: -40°C to 125°C
  • Safety Regulatory Approvals
    • VDE 0884-17 Reinforced Isolation
    • UL According to UL1577
    • IEC 62368-1, IEC 61010-1, IEC 60950-1, GB 4943.1-2011 certifications

Applications

  • Industrial automation systems
  • Motor control
  • Medical equipment
  • Test and Measurement