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SA541

Sames
Part Number SA541
Manufacturer Sames
Description PULSE/DTMF SWITCHABLE DIALLERS
Published May 18, 2005
Detailed Description sames FEATURES s SA541, SA54L1 PULSE/DTMF SWITCHABLE DIALLERS Selectable Loop-Disconnect (Pulse) or DTMF (Tone) dialli...
Datasheet PDF File SA541 PDF File

SA541
SA541


Overview
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 ...



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