LMC567 - Low Power Tone Decoder

LMC567是TI德州仪器公司的一款锁相环(PLL)/振荡器产品，LMC567是Low Power Tone Decoder，本站介绍了LMC567的封装应用图解、特点和优点、功能等，并给出了与LMC567相关的TI元器件型号供参考。

LMC567 - Low Power Tone Decoder - 锁相环(PLL)/振荡器 - 特殊逻辑 - 德州仪器

产品描述

The LMC567 is a low power general purpose LMCMOS tone decoder which is functionally similar to the industry standard LM567. It consists of a twice frequency voltage-controlled oscillator (VCO) and quadrature dividers which establish the reference signals for phase and amplitude detectors. The phase detector and VCO form a phase-locked loop (PLL) which locks to an input signal frequency which is within the control range of the VCO. When the PLL is locked and the input signal amplitude exceeds an internally pre-set threshold, a switch to ground is activated on the output pin. External components set up the oscillator to run at twice the input frequency and determine the phase and amplitude filter time constants.

产品特性

Functionally Similar to LM567
2V to 9V Supply Voltage Range
Low Supply Current Drain
No Increase in Current with Output Activated
Operates to 500 kHz Input Frequency
High Oscillator Stability
Ground-referenced Input
Hysteresis Added to Amplitude Comparator
Out-of-band Signals and Noise Rejected
20 mA Output Current Capability

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