(China (Mainland))
Product Summary
The LM567CN is a general purpose tone decoder 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 components are used to independently set center frequency, bandwidth and output delay. The applications of LM567CN are: Touch tone decoding, Precision oscillator, Frequency monitoring and control, Wide band FSK demodulation, Ultrasonic controls, Carrier current remote controls, Communications paging decoders.
Parametrics
LM567CN absolute maximum ratings: (1)Supply Voltage Pin: 9V; (2)Power Dissipation: 1100 mW; (3)V8: 15V; (4)V3: -10V; (5)V3: V4 + 0.5V; (6)Storage Temperature Range: -65℃ to +150℃; (7)Operating Temperature Range: 0℃ to +70℃; (8)Soldering Information: Dual-In-Line Package Soldering (10 sec.): 260℃; (9)Small Outline Package, Vapor Phase (60 sec.): 215℃; Infrared (15 sec.): 220℃.
Features
LM567CN features: (1)20 to 1 frequency range with aexternal resistor; (2)Logic compatible output with 100 mA current sinking capability; (3)Bandwidth adjustable from 0 to 14%; (4)High rejectioof out of band signals and noise; (5)Immunity to false signals; (6)Highly stable center frequency; (7)Center frequency adjustable from 0.01 Hz to 500 kHz.
Diagrams
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 LM567CN |
National Semiconductor (TI) |
RF Receiver |
Data Sheet |
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LM567CN/NOPB |
National Semiconductor (TI) |
Telephone Ringers Tone Decoder |
Data Sheet |
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