Photo-Detector IC features 6 nsec settling times.

Press Release Summary:

Suited for use in 8x and 12x writeable DVD drives, SP8052 Photo Detector Integrated Circuit features slew rates of 500 V/µsec, 12 nsec saturation recovery times, and 150 MHz bandwidth. Along with 4 data detection channels, 4 tracking channels, and 2 summing channels, 2 write channels are implemented for high-speed DVD write functionality. Unit has 3 selectable gain settings used to adjust for variations associated with different media types and manufacturers.

Original Press Release:

Sipex Introduces New Photo Detector IC for 8x and 12x DVD Recorders

The SP8052 PDIC Features 6ns Settling Times and 12 Seconds Saturation Recovery

(Milpitas, CA - December 16, 2003) - Sipex Corporation (NASDAQ: SIPX) today announced its latest Photo Detector Integrated Circuit (PDIC), the SP8052. Optimized for 8x and 12x writeable DVD drives, the SP8052 features slew rates of 500V per microsecond, fast 12ns saturation recovery times, and 150MHz bandwidth. Along with the four high speed data detection channels, four tracking channels, and two summing channels traditionally utilized for CD and DVD-write modes, two additional write channels have been specially implemented for enhanced high speed DVD write functionality.

With the addition of the two dedicated write channels optimized to minimize saturation during DVD-write operations, the SP8052 enables system designers to accommodate the inevitable increase in laser power needed for higher speed writing. The device also features three selectable gain settings to adjust for variations associated with different media types and manufacturers. The PDIC is manufactured on Sipex's innovative 10GHz BiCMOS process which allows for efficient integration of the photo diode and extremely versatile analog circuits.

"Sipex continues to lead the industry in creating solutions that resolve the challenges arising with next generation DVD recorders," said Kevin Plouse, senior vice president of marketing and business development at Sipex. "The mainstream of the optical disk drive market is clearly transitioning from DVD-read/CD-write to full DVD-write capability, and Sipex is well positioned for success in this fast-growing market."

SP8052 Key Features (typical):

o 150MHz bandwidth

o Three selectable gain settings

o 60dB PSRR

o 5mV Output Offset

o 6ns Fast Channel settling time

o 0.5ns Group Delay

o 12ns Saturation Recovery time

o 500V/us Slew Rate

o Differential Outputs with 2.7v output swing

o 16 pin clear OPLGA packaging, 5.0mm x 4.0mm

Pricing and Availability

The SP8052 is available now and is priced at $1.65 in 100,000 piece quantities. An evaluation board is also available to assist in the evaluation of the SP8052. The product brief and additional information on the SP8052 and other Sipex product offerings may be found on the company web site at

About Sipex Optical Storage Products

The optical storage product family offers complete electronic solutions that enable faster read speeds and smaller footprints in the pick up heads of DVD-R/W, DVD-RAM, CDRW, and DVD/CD-ROM systems. This family includes photo-detector ICs, laser diode drivers, and advanced power control ICs. Utilizing extremely high-performance BiCMOS processing, Sipex's products lead or match all competitors in key parameters such as bandwidth, settling times and output noise.

About Sipex

Sipex Corporation is a semiconductor company that designs, manufactures and markets high performance, value-added analog integrated circuits (ICs). Sipex serves the broad analog signal processing market with interface, power management and optical storage ICs for use in computing, communications, and networking infrastructure markets. The company is headquartered in Milpitas, California with additional sales offices in Belgium, China, Germany, Japan, South Korea and Taiwan. Sipex sells direct and through distribution channels. For more information about Sipex, visit

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