Family of SOT23 devices offer simple timing solutions
August 09, 2010 // Paul Buckley
Linear Technology has unveiled a set of simple, small, accurate and low power devices for five commonly used timing functions: voltage-controlled oscillator, low frequency oscillator, pulse width modulated oscillator, monostable pulse generator (one-shot) and delay.
Based on Linear Technologys advanced silicon oscillator technology, TimerBlox parts combine an accurate, programmable oscillator with precision circuitry and logic. Like all Linear Technology silicon oscillators, TimerBlox devices are solid state and can be operated under high acceleration, vibration and temperature extremes. TimerBlox products ensure accuracy and stability at a much higher level than typical resistor/capacitor-based oscillators. Each TimerBlox part can operate over a wide frequency or time range, and is programmed with one to three resistors. The micropower operation provides an alternative to resistor/capacitor-based timers that often require milliwatts of power.
The 20 mA source and sink capability directly drives opto-isolators and transformers for electrical isolation. Fully specified over the temperature range of -40 to 125 degrees C, the TimerBlox parts are suitable for demanding automotive and industrial environments, where many oscillators and microcontrollers are unable to operate. The small SOT23 footprint allows each timing device to be placed at the point of use, without routing signals over long distances, and provides an ideal timer for space-limited applications such as handheld and portable devices. All news
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