LM565

LM565 Description

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LM565 Datasheet (PDF)

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LM565 Features

• 200 ppm/°C frequency stability of the VCO
• Power supply range of ±5 to ±12 volts with 100 ppm/% typical
• 0.2% linearity of demodulated output
• Linear triangle wave with in phase zero crossings available
• TTL and DTL compatible phase detector input and square wave output
• Adjustable hold in range from ±1% to > ±60%

LM565 Description

The LM565 and LM565C are general purpose phase locked loops containing a stable, highly linear voltage controlled oscillator for low distortion FM demodulation, and a double balanced phase detector with good carrier suppression. The VCO frequency is set with an external resistor and capacitor, and a tuning range of 10:1 can be obtained with the same capacitor. The characteristics of the closed loop system-bandwidth, response speed, capture and pull in range-may be adjusted over a wide range with an external resistor and capacitor. The loop may be broken between the VCO and the phase detector for insertion of a digital frequency divider to obtain frequency multiplication.

The LM565H is specified for operation over the -55°C to +125°C military temperature range. The LM565CN is specified for operation over the 0°C to +70°C temperature range.

LM565 Parameters

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