Low

LMC567CM/NOPB - 

Audio Codec, Low Power, Tone Decoder, -25 °C, 125 °C

TEXAS INSTRUMENTS LMC567CM/NOPB

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Manufacturer Part No:
LMC567CM/NOPB
Newark Part No.:
41K2567
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
2V to 9V
:
-
:
-
:
Tone Decoder
:
-25°C
:
-
:
Each
:
125°C
:
-
:
-
:
1Channels
:
8Pins
:
-
:
SOIC
:
-
:
1Channels
:
-
:
MSL 1 - Unlimited
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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

Warnings

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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TEXAS INSTRUMENTS

Audio Codec, Tone Decoder, 0 °C, 70 °C

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