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ADN4650 / ADN4651 / ADN4652 LVDS隔離器

類比設備 ADN4650/ADN4651/ADN4652雙通道低電壓差分訊號(LVDS)隔離器可以極低的70ps抖動實現高達600Mbps的運作效能。ADN4650/ADN4651/ADN4652隔離器採用可實現高速運作的iCoupler技術。該技術提供相容於TIA/EIA-644-A的全速LVDS驅動器和接收器電流隔離。其設計允許LVDS訊號鏈的降壓式隔離。LVDS和隔離器電路透過2.5V電源實現低抖動的高速運作。整合式晶片上LDO透過外部3.3V電源提供所需的2.5V電壓。這些設備適用於-40°C至+125°C的工業溫度範圍，具有5kVrms隔離和7.6mm爬電/間隙。為確保在惡劣環境下安全、快速的資料傳送，ADN4650/ADN4651/ADN4652隔離器符合10kV峰值浪湧保護要求。ADN4650/ADN4651/ADN4652隔離器充分適用於類比前段(AFE)隔離、資料面隔離、隔離高速時鐘和資料鏈，以及LVDS上的隔離SPI。
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ADN4651 LVDS Digital Isolators

Analog Devices ADN4651 low-voltage differential signal (LVDS) digital isolators are designed using the iCoupler® digital isolator technology for high-speed operation. With this technology, the ADN4651 isolators offer galvanic isolation of the TIA/EIA-644-A compliant LVDS drivers and receivers. The design of the ADN4651 series allows for drop-in isolation of an LVDS signal chain. The isolators operate with data rates up to 600Mbps, 70ps ultra-low jitter, and 4.5ns max. The isolators include a fail-safe mechanism to ensure a logic 1 on the corresponding LVDS driver output when the inputs are floating, short circuit, or terminate. The devices are specified for operation over a −40°C to +125°C industrial temperature range with 5kVrms isolation and 7.6mm creepage/clearance. The ADN4651 isolators are well-suited for analog front end (AFE) isolation, data-plane isolation, isolated high-speed clock and data links, and isolated SPI over LVDS.