Crystek Corporation has launched the CCHD-957, an ultra-low phase noise HCMOS clock oscillator with standby mode, featuring a low close-in phase noise of -100 dBc/Hz at 10 Hz offset and a typical noise floor of -170 dBc/Hz at 100 kHz offset.
This makes the device family suitable for applications such as DACs, ADCs, digital audio broadcasting and professional CD audio equipment.
The oscillator also features a standby function - when placed in disable mode, the internal oscillator is shut down and its output buffer is placed in tri-state. This family operates with a +3.3 V supply, consuming 15 mA. Stability is rated at 20-50 ppm (0 to 70°C) and ±25-50 ppm (-40 to 85°C).
The device generates frequencies between 10 and 50 MHz. Its output driver is capable of driving ±24mA, translating to a rise/fall time of ~3 nsec max at 20%, to 80% Vcc with a 15 pF load.
Phone: 02 8883 4670
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