LM2917N DATASHEET PDF

Part Number Starts with Contains Ends with Please enter a minimum of 3 valid characters alphanumeric, period, or hyphen. Frequency To Voltage Converter The LM LM series are monolithic frequency to voltage converters with a high gain op amp Comparator designed to operate a relay, lamp, or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a Charge Pump technique and offers frequency doubling for low ripple, full input protection in two versions LM, LM and its output swings to ground for a zero frequency input. The op amp Comparator is fully compatible with the tachometer and has a floating Transistor as its output. This feature allows either a ground or supply referred load of up to 50 mA. The two basic configurations offered include an 8-pin device with a ground referenced tachometer input and an internal connection between the tachometer output and the op amp non-inverting input.

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June Frequency to Voltage Converter. General Description. The LM, LM series are monolithic frequency to. The tachom-. LM, LM and its output swings to ground for a. This feature. The two basic configurations offered include an 8-pin device. This version is well suited for single. The more versatile configurations provide differential ta-. With this. Both of these configurations are available with an active. Download LM Datasheet. The tachom- eter uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions LM, LM and its output swings to ground for a zero frequency input.

This feature allows either a ground or supply referred load of up to 50 mA. The two basic configurations offered include an 8-pin device with a ground referenced tachometer input and an internal connection between the tachometer output and the op amp non-inverting input. This version is well suited for single speed or frequency switching or fully buffered frequency to voltage conversion applications. The more versatile configurations provide differential ta- chometer input and uncommitted op amp inputs.

With this version the tachometer input may be floated and the op amp becomes suitable for active filter conditioning of the tachom- eter output. Both of these configurations are available with an active shunt regulator connected across the power leads. The regulator clamps the supply such that stable frequency to voltage and frequency to current operations are possible with any supply voltage and a suitable resistor.

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