LS7501 - TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS

LSI

General Description

The LS7501 - LS7510 are CMOS frequency discriminator circuits designed to respond to a specific frequency TONE signa

Key Features

Circuit activated by Tone with specific Frequency and Time Duration.
Frequency and Time Duration values are mask programmable.
Small Signal (as low as - 30 DBM) and Digital Level Tone signals accommodated.
On-chip active oscillator network and 32,768 Hz Crystal generates timing.
Low power consumption.
+4.0V to +6V operation (VDD - VSS).

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LS7501 tone activated telephone line switch controllers by LSI - Datasheet Preview

Datasheet Details

Part number	LS7501
Manufacturer	LSI
File Size	34.00 KB
Description	TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS
Datasheet	LS7501 Datasheet

Full PDF Text Transcription for LS7501 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LS7501. For precise diagrams, and layout, please refer to the original PDF.

LSI/CSI LS7501-7510 U ® L LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 (516) 271-0400 FAX (516) 271-0405 A3800 TONE ACTIVATED TELEPHONE LINE SWIT...

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) 271-0400 FAX (516) 271-0405 A3800 TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS FEATURES: • Circuit activated by Tone with specific Frequency and Time Duration. • Frequency and Time Duration values are mask programmable. • Small Signal (as low as - 30 DBM) and Digital Level Tone signals accommodated. • On-chip active oscillator network and 32,768 Hz Crystal generates timing. • Low power consumption. • +4.0V to +6V operation (VDD - VSS). APPLICATIONS: • Remote telephone line testing • Remote meter reading • Security system dialers. Nov.

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