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LM567CN Tone Decoder/Lock Detector IC with Programmable Frequency (0.01Hz-500kHz), High Noise Immunity 20mA Output Sink Wide Supply Range (4.75V-9V) DIP-8 Package
Features
20 to 1 frequency range with an external resistor
Logic compatible output with 100 mA 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 kHz
Applications
Touch tone decoding
Precision oscillator
Frequency monitoring and control
Wide band FSK demodulation
Ultrasonic controls
Carrier current remote controls
Communications paging decoders
General Description
The LM567andLM567Caregeneralpurpose 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 components are used to indepen dently set center frequency, bandwidth and output delay.
INFORMATION
| Category | | |
| Manufacturer | Texas Instruments | |
| Series | - | |
| Packaging | Tube | |
| Part Status | Obsolete | |
| Function | Tone Decoder | |
| Interface | - | |
| Number of Circuits | 1 | |
| Voltage - Supply | 4.75V ~ 9V | |
| Current - Supply | 12mA | |
| Power (Watts) | 1.1 W | |
| Operating Temperature | 0°C ~ 70°C | |
| Mounting Type | Through Hole | |
| Package / Case | 8-DIP (0.300", 7.62mm) | |
| Supplier Device Package | 8-PDIP | |
| Base Product Number |
Drawing
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