Product Details
LM567CN Tone Decoder/Phase Locked Loop


2716
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Data Sheet Available
Description:
Features: 
  Wide frequency range (0· 01Hz to 500kHz)
  High stability of centre frequency
  Independently controllable bandwidth (0 to 14%)
  High out-band signal and noise rejection
  Logic compatible output with 100mA current
sinking capability
  Inherent immunity to false signals
  Frequency adjustment over a 20 to 1
range with an external resistor
Applications: 
  Carrier current remote controls
  Ultrasonic controls (remote TV etc.)
  Communications paging
  Frequency monitoring and control
  Wireless intercom
  Precision oscillator
Characteristics: 
Max operating voltage: 10V
Positive voltage at input: 0· 5V above supply
Negative voltage at input: -10V DC
Output voltage: 15V DC
Operating current range: 7mA (12mA activated)
Design Formulae: 
fo = 1.1/R1.C1 
where R1 is between 2k and 20k and fo is the centre frequency. 
Bandwidth = 1070├(Vi/fo.C2) where Vi is the input rms voltage. C3 = 2(C2).