UFDC-1M-16 Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – High-Speed Universal Frequency-to-Digital Converter

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 I²C) 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