SAN2202a - SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER

Product Overview

Datasheet Details

Part number	SAN2202a
Manufacturer	Sames
File Size	81.94 KB
Description	SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER
Datasheet	SAN2202a Datasheet
Additional preview pages of the SAN2202a datasheet.

Product details

Description

3 5.1 AMPLIFIER SUPPLY: COMPARISON OF SAN2202A AND SAN2202B: 3 6 BLOCK DIAGRAM 4 6.1 HOW TO AVOID HOWLING 4 7 CIRCUIT DESCRIPTION 5 7.1 8Ω LOUDSPEAKER AMPLIFIER 5 7.2 AMPLIFIER SUPPLY IN SHUNT TRANSISTOR PATH 5 7.3 AMPLIFIER SUPPLY BY POWER EXTRACTION CIRCUIT SAN3020 5 8 MEASUREMENT RESULTS & CURVES

Features

Low cost additional circuit enables use of loudhearing function.
Full duplex “handsfree” operation via handset microphone and loudspeaker (at distances.

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SAN2202 - SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER
SAN2202b - SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER
SAN3010 - SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC
SAN3020 - SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS
SAN3021 - Single Chip Telephone: Using dynamic microphone as tone ringer
SAN3022 - Single Chip Telephone: Using dynamic microphone as tone ringer

Published: Apr 8, 2005 |