LS7507 - TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS
LSI
Download the LS7507 datasheet PDF.
This datasheet also covers the LS7501 variant, as both devices belong to the same tone activated telephone line switch controllers family and are provided as variant models within a single manufacturer datasheet.
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.
Full PDF Text Transcription for LS7507 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
LS7507. 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...
View more extracted text
) 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.
LS7507 Datasheet
