8N4QV01EG-1133CDI

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Programmable timers and oscillators can be defined as devices that are used in the generation and application of accurate time-based signals. Generally, these devices convert input signals such as resistive, capacitive, or inductive to timing signals with predetermined pulse widths and signal frequency. 8N4QV01EG-1133CDI is a programmable timer/oscillator that is used in various industries and applications.

8N4QV01EG-1133CDI Application Field and Working Principle

8N4QV01EG-1133CDI find use in a range of industries such as automotive, consumer electronics, industrial controls, test and measurement, and medical equipment, among others. This timer/oscillator circuit integrates a 3.3V CMOS oscillator, timer, and multiplexer circuitry to provide a programmable time base solution for numerous applications. The circuit is designed with a maximum frequency of 1MHz and an adjustable output frequency that allows users to reduce the resolution and timing of their product by adjusting the input pulses.

The programmable timer/oscillator works on the principles of RC timing circuits. This device maintains synchronous operation of digital and analog circuits and is used for timing intervals for: clock signals, timing signals, high frequency sensing, and pulse-width modulation (PWM). 8N4QV01EG-1133CDI device contains a quartz crystal which is used to establish the frequency output. There are 8-bit registers with inputs used to count the clock cycles and switch the output accordingly. The register will then be reset to 0 when it is at its set maximum value.

The 8N4QV01EG-1133CDI timer/oscillator has an input port to select either an external source or a reference source of the internal quartz crystal. The external source is configured by applying a voltage across the two pins of the device, with the voltage corresponding to the desired frequency. By using an input frequency of 1MHz, one can expect that the device supports a minimum resolution of 7.0025 Hz, and a maximum resolution of 148 Hz. This allows for extremely accurate timing/oscillation of both digital and analog elements.

The 8N4QV01EG-1133CDI also contains integrated counters which can be set to specific times. These timers allow users to create a pulse-width modulated (PWM) signal with the desired period and pulse width. When the internal counters are used, it is important to note that the output will always lag the input by several clock cycles due to the additional time for the pulse to reach the output register. The output of 8N4QV01EG-1133CDI can be configured to be non-overlapping (complementary outputs), or overlapping (shorting the two outputs).

Along with the mentioned features, 8N4QV01EG-1133CDI is designed by a low-power CMOS technology and has a low system power consumption of 2.5 µA. It also contains an internal temperature compensation circuit for maintaining the accuracy of its timing over time and temperature variation. Also, the device offers a high level of immunity to incoming noise and has a low output skew between channels. This timer/oscillator also comes with the latest safety and reliability functions, such as power-on reset and hardware watch-dog timer with window type of options.

In summary, 8N4QV01EG-1133CDI is a programmable timer/oscillator that finds application in a number of industrial and design applications. It integrates a 3.3V CMOS oscillator, timer, and multiplexer circuitry in order to provide precise and accurate timing of signals. This device contains integrated counters, an input port for external sources, and low system power. 8N4QV01EG-1133CDI is also designed to have a high level of noise immunity and low output skew between channels. It also comes with reliability and safety functions.

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