Epson Introduces High-Frequency Differential-Output PLL-Based Crystal Oscillators that Support Frequencies Up to 700 MHz
Seiko Epson Corporation (TSE: 6724, “Epson”) today introduces a new family of small, accurate, high-frequency differential-output*1 PLL-based*2 crystal oscillators that support frequencies up to 700 MHz. In addition to the SG3225, whose tiny 3.2 mm x 2.5 mm footprint will enable electronics manufacturers to significantly reduce the size of assembled circuit boards, the product family also includes the SG5032 and SG7050, which come in popular sizes of 5.0 x 3.2 mm and 7.0 x 5.0 mm, respectively.
Networking, consumer, and industrial electronic systems must all handle higher data rates in less space, often without forced-air cooling. As a result, crystal devices must operate at higher frequencies with better accuracy and lower jitter and these devices must be smaller and operate over a wide temperature range. These needs cover a wide field of applications from consumer, networking, wireless base stations, blade servers*3, and the growing Internet of Things (IoT)
In order to meet these market demands, Epson combined its miniature quartz crystals with PLL ICs to develop this family of differential-output PLL-based crystal oscillators. With a frequency tolerance of +/-20 x 10-6 and low phase jitter of 270 femtoseconds*4, these oscillators offer outstanding accuracy and stability and have a wide operating temperature range (-40°C to +85°C). The SG3225, SG5032, and SG7050 are available in two popular output types, LV-PECL and LVDS.
As a leader in crystal devices, Epson will continue to provide the kind of small, accurate, stable products that electronics and social infrastructure require.
See the attachment for the main product specifications. PDF(13KB)
See the link below for further details about these products.
http://www5.epsondevice.com/en/quartz/product/osc/spxo/sg3225_5032_7050ean_van.html New window
*1: Differential output: Differential signals are used for high-frequency clock and data signals to achieve good signal integrity and high noise immunity.
*2: PLL: Phase Locked Loop. A circuit or IC that can create an output frequency locked to an input frequency and scaled by a ratio set by a divider.
*3: Blade server: A server that houses multiple thin, modular circuit boards called “blades,” each of which is a server in its own right, in the same chassis.
*4: Typical measurement at an offset frequency of 12 kHz to 20 MHz in 156.25 MHz LVDS output.
Epson is a global innovation leader whose product lineup ranges from inkjet printers and printing systems, 3LCD projectors and industrial robots to sensors and other microdevices. Dedicated to exceeding the vision of its customers worldwide, Epson delivers customer value based on compact, energy-saving, and high-precision technologies in markets spanning enterprise and the home to commerce and industry.
Led by the Japan-based Seiko Epson Corporation, the Epson Group comprises more than 73,000 employees in 94 companies around the world, and is proud of its ongoing contributions to the global environment and the communities in which it operates.
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