Product category: Communications ICs (Wired)
News Release from: National Semiconductor | Subject: DS90LV011AH/12AH, DS90LV027AH/28AH
Edited by the Electronicstalk Editorial Team on 01 February 2006
LVDS PHYs handle industrial environments
New extended temperature single and dual LVDS PHYs are optimised for driving signals through cable harnesses in systems operating in harsh high-temperature environments.
National Semiconductor has introduced five new extended temperature single and dual transmitters and receivers to the company's industry-leading portfolio of low-voltage differential signalling (LVDS) products The general-purpose LVDS physical layer devices (PHYs) are optimised for driving signals through cable harnesses in systems operating in harsh, high-temperature environments, such as automotive, industrial and military applications
This article was originally published on Electronicstalk on 5 Jan 2001 at 8.00am (UK)
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The DS90LV011AH transmitter, DS90LT012AH receiver, DS90LV027AH dual transmitter, DS90LV028AH dual receiver and DS90LV049H integrated dual transceiver are guaranteed to operate in environments up to 125C.
Operating at very low power, the five new products deliver superior LVDS performance characteristics, datarates up to 400Mbit/s and excellent noise immunity.
"Designers of high-performance industrial systems were once limited to lower-speed communication standards like RS485 and CAN for data transport", said Jeff Waters, Product Line Director for the Interface Division at National.
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"National's new extended temperature LVDS PHYs will enable ten times the level of performance of lower-speed communication standards, driving datarates up to 400Mbit/s over cables in very hot and electromagnetically noisy environments".
In a typical application, the LVDS PHYs improve signal integrity by translating the single-ended control and data signals from sensors into LVDS signals for transmitting to the digital processor, typically an FPGA or ASIC.
In automotive or industrial systems where electrical noise is often unavoidable, LVDS is the best signalling technology choice because of its superior noise immunity and error-free performance.
The five new extended temperature single and dual transmitters and receivers support the differential LVDS interface standard from -40 to +125C.
The DS90LV011AH transmitter, DS90LT012AH receiver, DS90LV027AH dual transmitter, DS90LV028AH dual receiver and DS90LV049H integrated dual transceiver functions use the LVDS analogue interface to provide a high-performance signal path that transfers digital information.
In addition, the DS90LT012AH features an integrated LVDS input termination to save board space.
The DS90LV027AH and DS90LV028AH feature a flow-through pinout to simplify board layout.
All of the LVDS PHYs are offered in extremely small packages to minimise board space.
The DS90LV011AH and DS90LT012AH are packaged in a 5-pin SOT-23.
The DS90LT012AH is also available as a bare die.
The DS90LV027AH and DS90LV028AH are packaged in an 8-pin SOIC and the DS90LV049H is packaged in a 16-pin TSSOP.
Lead-free package options are also available.
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