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UFDC-1M-16 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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UFDC-1M-16 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 3 page  High-Speed Universal Frequency-to-Digital Converter UFDC-1M-16 FEATURES • 16 measuring modes and one generator mode • 2 channels for frequency and period measurements • Provides frequency (time)-to-digital conversion for many types of sensors and transducers • Frequency range from 1 Hz up to 7.5 MHz without prescaling and 120 MHz with prescaling; • Programmable accuracy (relative error) for frequency (period) conversion from 1 % to 0.001% • Relative quantization error is constant in all specified frequency range • Non-redundant conversion time • Scalable resolution • Internal reference clock 16 MHz @ 16 MHz quartz oscillator • Quartz-accurate automated calibration • 3-wire serial interface (SPI compatible) • 2-wire interface (I2C compatible) • RS232/485 serial interface • Master and slave communication modes • Frequency generator mode 8 MHz with quartz crystal stability APPLICATIONS Physical and Chemical Sensor Systems Digital Sensors, SoC, SiP Smart and Intelligent Sensors and Systems Industrial and Process Control Data Acquisition Systems Instrumentations Customer Electronics Automotive GENERAL DESCRIPTION The Universal Frequency-to-Digital Converter (UFDC-1M-16) is a fully digital CMOS integrated circuit based on novel patented methods for frequency, period, its ratio, duty-cycle and phase-shift measurements. The main difference of UFDC-1M-16 from the UFDC-1 is increased in 32 times conversion speed. By using this IC it is possible to build a wide variety of digital, smart sensors and intelligent sensor systems. The device represents a high-resolution conversion for data acquisition systems designed to support all range of frequency-time domain and digital FUNCTIONAL BLOCK DIAGRAM sensor applications. It offers high performance with flexibility and requires minimum possible number of external components. The UFDC-1M-16 can be easy included into digital environment, controlled by an external microcontroller (slave mode) or work independently as a separate measuring unit without an external control (master mode). The function selection can be configured in both software and hardware. The IC converts frequency-time domain signals into digital domain and provides interface to microcontroller, DAQ or sensor system to read these digital results. resolution and programmable accuracy during the non-redundant conversion time. The UFDC-1M-16 has 16 measuring and one generating modes. The measuring mode can be hardware-selected by using four selection external pins M0-M2 and the relative error by using four selection pins N0-N2 (RS232 master communication mode). The mode and accuracy can be also selected by using any of three possible interfaces (slave communication mode). A communication interface type (RS232, SPI or I 2C) can be automatically selected according to the circuit connection. MEASURING MODES • Frequency, f x1 1 Hz – 7.5 MHz directly and up to 120 MHz with prescaling • Period, T x1 150 ns – 20 s |
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