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ADN4695E Datasheet(PDF) 1 Page - Analog Devices |
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ADN4695E Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page 3.3 V, 200 Mbps, Half- and Full-Duplex, High Speed M-LVDS Transceivers Data Sheet ADN4691E/ADN4693E/ADN4696E/ADN4697E Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 2011–2012 Analog Devices, Inc. All rights reserved. FEATURES Multipoint LVDS transceivers (low voltage differential signaling driver and receiver pairs) Switching rate: 200 Mbps (100 MHz) Supported bus loads: 30 Ω to 55 Ω Choice of 2 receiver types Type 1 (ADN4691E/ADN4693E): hysteresis of 25 mV Type 2 (ADN4696E/ADN4697E): threshold offset of 100 mV for open-circuit and bus-idle fail-safe Conforms to TIA/EIA-899 standard for M-LVDS Glitch-free power-up/power-down on M-LVDS bus Controlled transition times on driver output Common-mode range: −1 V to +3.4 V, allowing communication with 2 V of ground noise Driver outputs high-Z when disabled or powered off Enhanced ESD protection on bus pins ±15 kV HBM (human body model), air discharge ±8 kV HBM (human body model), contact discharge ±10 kV IEC 61000-4-2, air discharge ±8 kV IEC 61000-4-2, contact discharge Operating temperature range: −40°C to +85°C Available in 8-lead (ADN4691E/ADN4696E) and 14-lead (ADN4693E/ADN4697E) SOIC packages APPLICATIONS Backplane and cable multipoint data transmission Multipoint clock distribution Low power, high speed alternative to shorter RS-485 links Networking and wireless base station infrastructure FUNCTIONAL BLOCK DIAGRAMS ADN4691E/ ADN4696E VCC GND RO R D RE DE A B DI Figure 1. ADN4693E/ ADN4697E VCC GND RO R D RE DE DI A B Z Y Figure 2. GENERAL DESCRIPTION The ADN4691E/ADN4693E/ADN4696E/ADN4697E are multipoint, low voltage differential signaling (M-LVDS) transceivers (driver and receiver pairs) that can operate at up to 200 Mbps (100 MHz). The receivers detect the bus state with a differential input of as little as 50 mV over a common-mode voltage range of −1 V to +3.4 V. ESD protection of up to ±15 kV is implemented on the bus pins. The parts adhere to the TIA/EIA-899 standard for M-LVDS and complement TIA/EIA- 644 LVDS devices with additional multipoint capabilities. The ADN4691E/ADN4693E are Type 1 receivers with 25 mV of hysteresis, so that slow-changing signals or loss of input does not lead to output oscillations. The ADN4696E/ADN4697E are Type 2 receivers exhibiting an offset threshold, guaranteeing the output state when the bus is idle (bus-idle fail-safe) or the inputs are open (open-circuit fail-safe). The parts are available as half-duplex in an 8-lead SOIC package (the ADN4691E/ADN4696E) or as full-duplex in a 14-lead SOIC package (the ADN4693E/ADN4697E). A selection table for the ADN469xE parts is shown in Table 1. Table 1. ADN469xE Selection Table Part No. Receiver Data Rate SOIC Duplex ADN4690E Type 1 100 Mbps 8-lead Half ADN4691E Type 1 200 Mbps 8-lead Half ADN4692E Type 1 100 Mbps 14-lead Full ADN4693E Type 1 200 Mbps 14-lead Full ADN4694E Type 2 100 Mbps 8-lead Half ADN4695E Type 2 100 Mbps 14-lead Full ADN4696E Type 2 200 Mbps 8-lead Half ADN4697E Type 2 200 Mbps 14-lead Full |
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