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LS1240A Datenblatt (PDF) - STMicroelectronics

LS1240A Datasheet PDF - STMicroelectronics
Teilenummer LS1240A
Download  LS1240A Download

Filegröße   496.77 Kbytes
Page   7 Pages
Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Bauteilbeschribung Electronic two-tone ringer

LS1240A Datasheet (PDF)

Go To PDF Page Download Datenblatt
LS1240A Datasheet PDF - STMicroelectronics

Teilenummer LS1240A
Download  LS1240A Click to download

Filegröße   496.77 Kbytes
Page   7 Pages
Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Bauteilbeschribung Electronic two-tone ringer

LS1240A Datenblatt (HTML) - STMicroelectronics

LS1240A Datasheet HTML 1Page - STMicroelectronics LS1240A Datasheet HTML 2Page - STMicroelectronics LS1240A Datasheet HTML 3Page - STMicroelectronics LS1240A Datasheet HTML 4Page - STMicroelectronics LS1240A Datasheet HTML 5Page - STMicroelectronics LS1240A Datasheet HTML 6Page - STMicroelectronics LS1240A Datasheet HTML 7Page - STMicroelectronics

LS1240A Produktdetails

Description
LS1240 is a monolithic integrated circuit designed to replace the mechanical bell in telephone sets in connection with an electro-acoustical converter. It can drive directly a piezoceramic converter (buzzer) or a dynamic loudspeaker.
The output current capability of LS1240 is higher than the one of a standard ringer. To drive a dynamic loudspeaker LS1240 can simply use a decoupling capacitor, thus eliminating the usual transformer.
No current limitation is provided on the output stage of LS1240, so a minimum load DC of 50 Ω is advised, in series with a proper capacitor.

Features
■ Low current consumption, in order to allow the parallel operation of 4 devices
■ Integrated rectifier bridge with zener diodes to protect against over voltages little external circuitry
■ Tone and switching frequencies adjustable by external components
■ Integrated voltage and current hysteresis




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Über STMicroelectronics


Stmicroelectronics ist ein multinationaler Elektronik- und Halbleiterhersteller mit Sitz in Genf, Schweiz.

Das Unternehmen bietet eine breite Palette von Produkten an, darunter Mikrocontroller, Sensoren, Stromverstärker und integrierte Schaltkreise für verschiedene Anwendungen in den Märkten Automobil-, Industrie- und Verbrauchermärkte.

STMICROELECTRONICS wurde 1987 gegründet und ist in über 100 Ländern betrieben und ist eines der größten Halbleiterunternehmen der Welt.

*Diese Informationen dienen nur zu allgemeinen Informationszwecken. Wir haften nicht für Verluste oder Schäden, die durch die oben genannten Informationen verursacht werden.




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