LM567CN+ National Semiconductor, LM567CN+ Datasheet

LM567CN+

Manufacturer Part Number

LM567CN+

Description

Manufacturer

National Semiconductor

Datasheets

1.LM567C-MDC.pdf (12 pages)

2.LM567CN.pdf (8 pages)

Specifications of LM567CN+

Notes

NEW

Date_code

10+

Current page: 1 of 8
Download datasheet (297Kb)

LM567/LM567C

Tone Decoder

General 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 cir-

cuit consists of an I and Q detector driven by a voltage con-

trolled oscillator which determines the center frequency of

the decoder. External components are used to indepen-

dently set center frequency, bandwidth and output delay.

Features

n 20 to 1 frequency range with an external resistor

n Logic compatible output with 100 mA current sinking

n Bandwidth adjustable from 0 to 14%

Connection Diagrams

capability

Order Number LM567H or LM567CH

See NS Package Number H08C

Metal Can Package

Top View

DS006975

DS006975-1

n High rejection of out of band signals and noise

n Immunity to false signals

n Highly stable center frequency

n Center frequency adjustable from 0.01 Hz to 500 kHz

Applications

n Touch tone decoding

n Precision oscillator

n Frequency monitoring and control

n Wide band FSK demodulation

n Ultrasonic controls

n Carrier current remote controls

n Communications paging decoders

Dual-In-Line and Small Outline Packages

See NS Package Number M08A

See NS Package Number N08E

Order Number LM567CM

Order Number LM567CN

Top View

DS006975-2

www.national.com

May 1999

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