ADN4654
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ADN4654

5 kV RMS/3.75 kV RMS, Dual LVDS Gigabit Isolator (0 Reverse Channels)

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 4
1ku List Price Starting From $7.18
Features
  • 5 kV rms and 3.75 kV rms LVDS isolators
  • Complies with TIA/EIA-644-A LVDS standard
  • Multiple dual-channel configurations
  • Any data rate up to 1.1 Gbps switching with low jitter
    • 4 ns typical propagation delay
    • 2.6 ps rms typical random jitter, rms
    • 90 ps typical peak-to-peak total jitter at 1.1 Gbps
  • 2.5 V or 3.3 V supplies
  • −75 dBc power supply ripple rejection, phase spur level
  • Glitch immunity
  • ±8 kV IEC 61000-4-2 ESD protection across isolation barrier
  • High common-mode transient immunity: >25 kV/μs
  • Passes EN 55022 Class B radiated emissions limits with 1.1 Gbps PRBS
  • Safety and regulatory approvals (20-lead SOIC_W package)
    • UL (pending): 5000 V rms for 1 minute per UL 1577
    • CSA Component Acceptance Notice 5A (pending)
    • VDE certificate of conformity (pending)
      • DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
      • VIORM = 424 VPEAK
  • Fail-safe output high for open, short, and terminated input conditions (ADN4655/ADN4656)
  • Operating temperature range: −40°C to +125°C
  • 7.8 mm minimum creepage and clearance
Additional Details
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The ADN4654/ADN4655/ADN46561  are signal isolated, low voltage differential signaling (LVDS) buffers that operate at up to 1.1 Gbps with low jitter. The devices integrate Analog Devices, Inc., iCoupler® technology, enhanced for high speed operation to provide galvanic isolation of the TIA/EIA-644-A compliant LVDS drivers and receivers. This integration allows drop-in isolation of an LVDS signal chain.

The ADN4654/ADN4655/ADN4656 comprise multiple channel configurations, and the LVDS receivers on the ADN4655 and ADN4656 include a fail-safe mechanism to ensure a Logic 1 on the corresponding LVDS driver output when the inputs are floating, shorted, or terminated but not driven.

For high speed operation with low jitter, the LVDS and isolator circuits rely on a 2.5 V supply. An integrated on-chip low dropout (LDO) regulator can provide the required 2.5 V from an external 3.3 V power supply. The devices are fully specified over a wide industrial temperature range and come in a 20-lead, wide body SOIC_W package with 5 kV rms isolation or in a 20-lead SSOP package with 3.75 kV rms isolation.

Applications

  • Isolated video and imaging data
  • Analog front-end isolation
  • Data plane isolation
  • Isolated high speed clock and data links

1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.

Part Models 4
1ku List Price Starting From $7.18

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADN4654BRSZ
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ADN4654BRSZ-RL7
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ADN4654BRWZ
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ADN4654BRWZ-RL7
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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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EVAL-ADN4654

ADN4654 Evaluation Board

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EVAL-ADN4654

ADN4654 Evaluation Board

ADN4654 Evaluation Board

Features and Benefits

  • Isolated ground planes (logic side and bus side)
  • Convenient connections through SMA terminals
    • 3.3 V or 2.5 V power on Side 1 (VIN1 and VDD1) and Side 2 (VIN2 and VDD2)
    • Ground on Side 1 (GND1) and ground on Side 2 (GND2)
    • LVDS input signals: DIN1+, DIN1−, DIN2+, DIN2−
    • LVDS output signals: DOUT1+, DOUT1−, DOUT2+, DOUT2−
  • Jumper-selectable power supply of 3.3 V or 2.5 V
  • Termination resistors on all LVDS drivers and receivers

Product Detail

The EVAL-ADN4654EB1Z, the EVAL-ADN4655EB1Z, and the EVAL-ADN4656EB1Z allow quick and easy evaluation of the ADN4654/ADN4655/ADN4656 low voltage, differential signaling (LVDS) isolators without the need for external components. The ADN4654/ADN4655/ADN4656 employ Analog Devices, Inc., iCoupler® technology to combine a 2-channel isolator with an LVDS receiver and driver into a single, 20-lead wide body SOIC package. The devices are capable of running at data rates of up to 1.1 Gbps with low jitter.

The evaluation boards have separate ground and power planes for each side of the isolator. This separation enables the evaluation of the ADN4654/ADN4655/ADN4656 with galvanic isolation between both sides of the device. Jumper-selectable power supplies at 3.3 V or 2.5 V are required on each side of the ADN4654/ADN4655/ADN4656 device. Using an on-chip, low dropout (LDO) regulator, 2.5 V can be provided from an external 3.3 V power supply.

Complete information about the ADN4654/ADN4655/ADN4656 is available in the ADN4654/ADN4655/ADN4656 data sheet. Consult this data sheet in conjunction with this user guide when using the evaluation boards.

Tools & Simulations

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

Reference Designs

Reference Designs 1

Simplified Circuit Diagram for EVAL-CN0422-EBZ

Galvanic Isolation of the HDMI 1.3a Protocol Using iCoupler® Isolation Technology 

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