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SAN2202

SINGLE CHIP SPEAKERPHONE WITH 8 - OHM LOUDSPEAKER AMPLIFIER

SAN2202 Features

* Low cost additional circuit enables use of loudhearing function

* Full duplex “handsfree” operation via handset microphone and loudspeaker (at distances

SAN2202 General 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.

SAN2202 Datasheet (81.94 KB)

Preview of SAN2202 PDF

Datasheet Details

Part number:

SAN2202

Manufacturer:

Sames

File Size:

81.94 KB

Description:

Single chip speakerphone with 8 - ohm loudspeaker amplifier.
sames SAN2202 APPLICATION NOTE SINGLE CHIP “SPEAKERPHONE” WITH 8 - OHM LOUDSPEAKER AMPLIFIER 1 Scope This application note describes a low-cost add-.

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TAGS

SAN2202 SINGLE CHIP SPEAKERPHONE WITH OHM LOUDSPEAKER AMPLIFIER Sames

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