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Frequency-to-Digital Converters

TORONTO, Jan. 5, 2009 – SWP Inc. has announced that its popular integrated circuit (IC) universal frequency-to-digital converters, UFDC-1 and UFDC-1M-16, are available now in a 5 × 5 × 1-mm, 32-pad, 0.50-mm lead pitch micro lead frame package.

This miniaturized package enables use of the ICs in various pen-size measuring instruments, and they can be built into quasi-digital sensors and transducers to convert the frequency-time parameters of electrical signals of sensing elements to digital.

SWP.jpgBoth CMOS ICs are two-channel universal frequency-to-digital converters that can work with any frequency-time signal domain sensors to convert frequency, period, ratio and difference, duty cycle, duty-off factor, pulse width modulation (PWM) signal, time interval, pulse width and space, rotation speed, pulse number and phase shift, to digital. The UFDC-1 and UFDC-1M-16 deliver high and constant selectable accuracy that is programmable from 1.0% to 0.001% in a frequency range up to 7.5 MHz, scalable resolution from 2.5 ×10-7 to 45 Hz and nonredundant conversion time.

Both ICs can work in one generating (8 MHz, quartz stabilized rectangular pulses)and 16 measuring modes and have three serial interfaces: RS232 (including a master communication mode), I2C and SPI. The main differences between the UFDC-1 and UFDC-1M-16 chips are a low frequency range of 0.05 Hz and 1 Hz, and conversion time of 0.0002 to 0.2 s and 0.00000625 to 0.00625 s, respectively.

Typical applications include but are not restricted to: any frequency, period, duty-cycle, PWM, time-interval, phase-shift, pulse number output sensors to produce a digital output; digital sensors design; smart (self-adaptive) sensors and systems; multifunctional and multiparameter sensors for simultaneous detection of various parameters proportional to frequency and duty cycle; data acquisition boars and systems for frequency-time parameters of electric signals; virtual instruments; desktop universal frequency counters; tachometers and tachometric systems; handheld multimeters for frequency-time parameters of electric signals; and advanced analog-to-digital conversion using voltage-to-frequency converters for remote sensors.

For more information, visit: www.sensorsportal.com

SWP Inc.
46 Thorny Vineway
Toronto, Ontario
Canada M2J 4J2
Phone: + 34 6960 677 16
Fax: + 34 93 401189 






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