LM567
LM567 is Tone Decoder manufactured by Texas Instruments.
ures
- 20 to 1 Frequency Range With an External Resistor
- Logic patible Output With 100-m A Current Sinking Capability
- Bandwidth Adjustable From 0 to 14%
- High Rejection of Out of Band Signals and Noise
- Immunity to False Signals
- Highly Stable Center Frequency
- Center Frequency Adjustable from 0.01 Hz to
500 k Hz
2 Applications
- Touch Tone Decoding
- Precision Oscillator
- Frequency Monitoring and Control
- Wide Band FSK Demodulation
- Ultrasonic Controls
- Carrier Current Remote Controls
- munications Paging Decoders
3 Description
The LM567 and LM567C are general purpose tone decoders designed to provide a saturated transistor switch to ground when an input signal is present within the passband. The circuit consists of an I and Q detector driven by a voltage controlled oscillator which determines the center frequency of the decoder. External ponents are used to independently set center frequency, bandwidth and output delay.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
LM567C
SOIC (8) PDIP (8)
4.90 mm × 3.91 mm 9.81 mm × 6.35 mm
(1) For all available packages, see the orderable addendum at the end of the datasheet.
Simplified Diagram
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
LM567, LM567C
SNOSBQ4F...
