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TEXAS INSTRUMENTS  LMC567CM/NOPB  Audio Codec, Low Power, Tone Decoder, -25 °C, 125 °C

TEXAS INSTRUMENTS LMC567CM/NOPB

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Product Overview

The LMC567CM/NOPB is a general purpose low power 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.
  • Low supply current drain
  • No increase in current with output activated
  • High oscillator stability
  • Ground-referenced input
  • Hysteresis added to amplitude comparator
  • Out-of-band signals and noise rejected
  • Green product and no Sb/Br

Applications

Signal Processing
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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Product Information

Audio CODEC Type:
Tone Decoder
No. of ADCs:
-
No. of DACs:
-
Operating Temperature Min:
-25°C
Operating Temperature Max:
125°C
Sampling Rate:
-
Audio IC Case Style:
SOIC
No. of Pins:
8Pins
No. of Input Channels:
1Channels
No. of Output Channels:
1Channels
ADC / DAC Resolution:
-
ADCs / DACs Signal to Noise Ratio:
-
IC Interface Type:
-
Supply Voltage Range:
2V to 9V
Packaging:
Each
Product Range:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jun-2015)

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Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
RoHS Compliant:
Yes

Applications

  • Signal Processing

Substitutes

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IC,PHASE-LOCKED LOOP,CMOS,SOP,8PIN,PLASTIC

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