Product category:
Power Supply ICs and Controllers
News Release from: Avago Technologies | Subject: ASSR-3220 and ASSR-322R
Edited by the Electronicstalk Editorial
Team on 18 May 2006
SSRs qualify for industrial duties
Dual-channel high-speed optically isolated MOSFET-output solid-state relays feature performance that has been qualified over a wide industrial temperature range of -40 to +85C.
Avago Technologies has released a pair of dual-channel high-speed optically isolated MOSFET-output solid-state relays (SSRs) that feature performance that has been qualified over a wide industrial temperature range of -40 to +85C The Avago ASSR-322R is primarily directed toward automated test equipment (ATE) and other test equipment applications for pin electronics, multiplexers and matrix cards, and switching in the analogue circuits of parametric measurement unit (PMUs)
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The Avago ASSR-3220 is an excellent choice for customers with industrial or consumer electronics applications such as telecommunications switching equipment, programmable logic controller outputs and digital I/O outputs, digital home appliances, and set top boxes.
compared with electromechanical relays, Avago's ASSR-3220 and ASSR-322R products offer distinct advantages, including the elimination of contact bounce, and problems due to shock, vibration, or mounting position.
They have no wearout mechanism limiting the number of operations, and require no minimum contact "wetting" current.
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They are also free from magnetic fields, do not generate electrical noise, and are not sensitive to electromagnetic interference.
Both ASSRs, with reinforced insulation, feature fast turn-on and turn-off, excellent noise rejection for transient immunity, and low input drive current making them CMOS-compatible and perfect for battery-operated and USB-powered applications.
Avago's new SSRs are dual channel, providing two independent Form A (normally open) single-pole single-throw (SPST) relays in an industry-standard 8-pin dual-inline package (DIP).
Their output ratings are 250V maximum load voltage and 200mA continuous output current.
Their qualified performance across operating temperature range and transient immunity is unique to SSRs currently available on the market.
Their excellent noise rejection between input-output as well as between open terminals on the output will eliminate undesirable transient effects.
Reinforced insulation of 3.75kV with fast switching speed makes them suitable for a wide range of industrial, consumer and telecommunications switching applications.
The ASSR-322R features 1nA maximum off-state leakage, low on-resistance of 8.5ohm maximum, low output capacitance of 60pF maximum at 1MHz and outstanding maximum turn-on and turn-off times of 0.5 and 0.2ms, respectively.
"As a leading supplier of high-performance optocouplers, Avago continues to excite the market by introducing these new SSRs with enhanced features", said Chong Tze Siong, Vice President and General Manager of Avago Technologies' Optical Communications Solutions Division.
"Reinforced insulation, transient immunity and high-speed performance of our optocouplers have always been the industry benchmarks, and we will maintain our technology leadership by introducing new products with value-added benefits".
Both versions are supplied in conventional 8-pin DIPs for through-hole mounting, and are available with a gullwing surface-mount configuration.
They are available now through Avago Technologies' direct sales channel and worldwide distribution partners.
The single channel versions in 6-pin DIP and 4-pin SOP will be available in the fourth quarter. Request a free brochure from Avago Technologies ...
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