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SA541 - PULSE/DTMF SWITCHABLE DIALLERS

Description

The SA54X1 is pin compatible with SAMES' SA54X5 family of diallers.

Features

  • s SA541, SA54L1 PULSE/DTMF.

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Datasheet Details

Part number SA541
Manufacturer Sames
File Size 276.99 KB
Description PULSE/DTMF SWITCHABLE DIALLERS
Datasheet download datasheet SA541 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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sames FEATURES s SA541, SA54L1 PULSE/DTMF SWITCHABLE DIALLERS Selectable Loop-Disconnect (Pulse) or DTMF (Tone) dialling modes 32 Digit Last Number Redial (LNR) Selectable Interdigit Pause (IDP) 500ms or 800ms Operates with inexpensive single contact keypad On-chip Darlington transistor pair for DTMF tone filtering Low power CMOS technology enables direct operation from Telephone line Optional use of external capacitor for oscillator s s Keypad switchable Loop-Disconnect to DTMF during a call Selectable Break:Make Ratios 2:1 or 3:2 Uses inexpensive 560KHz ceramic resonator Earth Loop Recall and Timed Break Recall (Timed Flash) Low on-hook Supply Current options SA5413 - 5µA @ 2.5V SA5416 - 1µA @ 2.5V SA5419 - 1µA @ 3.
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