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LS7502

LSI
Part Number LS7502
Manufacturer LSI
Description TONE ACTIVATED TELEPHONE LINE SWITCH CONTROLLERS
Published Mar 30, 2017
Detailed Description LSI/CSI LS7501-7510 U ® L LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 (516) 271-0400 FAX (...
Datasheet PDF File LS7502 PDF File

LS7502
LS7502


Overview
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 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.
1993 CONNECTION DIAGRAM - TOP VIEW STANDARD 16 PIN PLASTIC DIP DTO 1 TIME BASE 2 VF OUT 3 VI OUT 4 FDEN 5 DTEN INPUT 6 LSI 16 V DD (+V) 15 X2 14 X1 13 DIGITAL TONE 12 AMP IN 11 AMP OUT GENERAL DESCRIPTION: The LS7501 - LS7510 are CMOS frequency discriminator circuits designed to respond to a specific frequency TONE signa...


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