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Home > Newest Products > ADN4654/5 Dual-Channel Low-Voltage Differential Signaling (LVDS) Gigabit Isolators

ADN4654/5 Dual-Channel Low-Voltage Differential Signaling (LVDS) Gigabit Isolators

Analog Devices Inc

ADN4654/5 Dual-Channel Low-Voltage Differential Signaling (LVDS) Gigabit Isolators

Analog Devices' LVDS buffers include a failsafe mechanism to ensure a Logic 1 on the corresponding LVDS driver output

Analog Devices' ADN4654 and ADN4655 signal-isolated LVDS buffers operate at up to 1.1 Gbps with low jitter. The devices integrate Analog Devices' iCouple® 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 and ADN4655 comprise multiple channel configurations, and the LVDS receivers on the ADN4655 include a failsafe 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 SOICW package with 5 kVrms isolation or in a 20-lead SSOP package with 3.75 kVrms isolation.

Features
  • Integration: 1.1 Gbps LVDS isolator in SOICW or SSOP package (more than 5x to 7x faster than the competition)
  • Precision timing: ultra-low jitter at 2.6 psrms (typ. random jitter) and 4.5 ns max propagation delay
  • Robustness: 3 kV and 5 kV reinforced isolation provides high common mode immunity and transient immunity for external ports
  • 5 kVrms and 3.75 kVrms LVDS isolators
  • Complies with TIA/EIA-644-A LVDS standard
  • Multiple dual-channel configurations
  • 2.5 V or 3.3 V supplies
  • Any data rate up to 1.1 Gbps switching with low jitter
    • 4 ns typical propagation delay
    • 2.6 psrms typical random jitter
    • 90 ps typical peak-to-peak total jitter at 1.1 Gbps
  • -75 dBc power supply ripple rejection, phase spur level
  • Glitch immunity
  • ±8 kV IEC 61000-4-2 ESD protection across the isolation barrier
  • High common-mode transient immunity: >25 kV/µs
  • Passes EN 55022 Class B radiated emissions limits with 1.1 Gbps PRBS (pending)
  • Safety and regulatory approvals (20-lead SOICW package)
    • UL (pending): 5000 Vrms 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
  • Operating temperature range: -40°C to +125°C
  • 7.8 mm creepage and clearance
Applications
  • Isolated video and imaging data
  • Analog front-end isolation
  • Data plane isolation
  • Isolated high-speed clock and data links

ADN4654/5 Dual-Channel LVDS Gigabit Isolators

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
5KVRMS DUAL ISO 2TX GBIT LVDSADN4654BRWZ5KVRMS DUAL ISO 2TX GBIT LVDS63 - Immediate
1443 - Factory Stock
View Details
5KVRMS DUAL ISO 1TX1RX GBIT LVDSADN4655BRWZ5KVRMS DUAL ISO 1TX1RX GBIT LVDS21 - Immediate
4070 - Factory Stock
View Details
5KVRMS DUAL ISO 2TX GBIT LVDSADN4654BRWZ-RL75KVRMS DUAL ISO 2TX GBIT LVDS2000 - Factory StockView Details
5KVRMS DUAL ISO 1TX1RX GBIT LVDSADN4655BRWZ-RL75KVRMS DUAL ISO 1TX1RX GBIT LVDS0View Details

Evaluation Boards

ImageManufacturer Part NumberDescriptionUtilized IC / PartAvailable QuantityView Details
ADN4654 SOICW EVALUATION BOARDEVAL-ADN4654EB1ZADN4654 SOICW EVALUATION BOARDADN46542 - Immediate
36 - Factory Stock
View Details
ADN4655 SOICW EVALUATION BOARDEVAL-ADN4655EB1ZADN4655 SOICW EVALUATION BOARDADN46552 - Immediate
40 - Factory Stock
View Details