SM802158UMG

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A clock or timing application refers to the design of a digital circuit or system, running on a clock or timing signal of a specific frequency and voltage. This could be used to create a clock signal, or an oscillator circuit which oscillates at a certain frequency. The SM802158UMG is a metallic gate (MG) clock driver and associated circuitry that is designed for many industrial and consumer applications. It can provide precision timing and waveform shaping for the most demanding clock and timing applications.

Introduction to SM802158UMG

The MG clock driver is highly tolerant to manufacturing processes and environmental conditions by utilizing an adjustable current feature design on a Micro SMD (SMD) package. The package also allows for high impedance current outputs to be realized while maintaining high slew rate and low power consumption.

The SM802158UMG supports multiple clock and timing products including crystal oscillators, clock generators, and logic gates. The MG clock driver has a wide frequency range extending to the highest frequencies used in communication and computing applications. It is also optimized for ultra-low power operation which enables it to be used in mobile and battery-powered applications.

Features & Benefits of SM802158UMG

The SM802158UMG clock driver offers several benefits for industrial and consumer applications. The most important features are as follows:

• Wide Frequency Range: The MG clock driver can provide precision timing and waveform shaping, ranging from low frequency DC with 1 μs resolution to high frequency AC with 10 MHz resolution, for numerous applications.
• High Voltage Tolerance: The clock driver is highly tolerant to voltage variation and very stable in operations with Voltages from 3.3 V to 28 V.
• Low Power operation: The SM802158UMG is optimized for low power consumption, which allows it to be used in battery-powered applications.
• Fast Response Time: The MG clock driver is designed to respond to clock signals quickly, with a fast response time of less than 1 μs.
• Temperature Range: The MG clock driver is capable of operating in a wide temperature range from -40°C to +85°C.

Applications

The SM802158UMG is highly suited for applications such as frequency generation, clock signal generation, waveform distortion, as well as for various clock/timing-based applications such as automotive electronics, consumer electronics, medical and military electronics.

In addition, the SM802158UMG can be used in many applications, such as clock generation, signal levelling and AC timing and oscillator circuits.

Working principle

The SM802158UMG is a digitally-controlled adaptive voltage scaling clock driver with an adjustable current feature. It has two inputs, a logic signal input (L-input) and a bipolar voltage input (V-input). The signal input is used for selecting a dynamically adjustable output voltage between 1 and 10 V, using a three-state logic control, 1C2V, or reducing the power supply voltage to a minimum of 1V (Vmin) by external control.

The output frequency is determined by an external crystal oscillator, an external resistive load at the driver output, and the feedback loop of the clock driver. The driver output is adjusted in order to keep the output frequency of the circuit stable, regardless of process and environmental variations.

The clock driver also includes temperature and voltage tracking, which allows the operating temperature range of the device to stay within a certain range over varying environmental conditions.

The SM802158UMG is an ideal choice for applications which require precision timing and waveforms, while being tolerant to high frequency, temperature, and voltage variations in the external environment.

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