ADN4656BRSZ

ADN4656BRSZ is a dual-channel, signal isolated, low voltage differential signalling (LVDS) buffer gigabit isolator that operate at up to 1.1Gbps with low jitter. The device integrates 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 ADN4656 comprise multiple channel configurations, and the LVDS receivers on the ADN4656 include a fail-safe mechanism to ensure a Logic 1 on the corresponding LVDS driver output when the input is floating, shorted, or terminated but not driven. For high speed operation with low jitter, the LVDS and isolator circuits rely on a 2.5V supply. Application includes isolated video and imaging data, analogue front-end isolation, data plane isolation, isolated high speed clock and data links.

• Supply current is 55mA max at (no output load, inputs with 100 ohm, no applied (VID))
• Complies with TIA/EIA-644-A LVDS standard, multiple dual-channel configurations
• Propagation delay is 4ns typ (VDD1 = VDD2 = 2.5V, TA = 25°C)
• Random jitter, RMS is 2.6ps rms typ (0.55GHz clock input, TA = 25°C)
• Power supply ripple rejection is -75dBc typ (VDD1 = VDD2 = 2.5V, TA = 25°C)
• ±8kV IEC 61000-4-2 ESD protection across isolation barrier
• High common-mode transient immunity: <gt/>50kV/μs typical at (VDD1 = VDD2 = 2.5 V, TA = 25°C)
• Passes EN 55022 Class B radiated emissions limits with 1.1Gbps PRBS
• Fail-safe output high for open, short, and terminated input conditions
• 20 lead SSOP package, temperature range from -40°C to +125°C

Opmerkingen

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