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L3281

LOW VOLTAGE TELEPHONE SPEECH CIRCUITS

PRELIMINARY DATA

OPERATION DOWN TO 1.6V / 6.5mA

DTMF & BEEP TONE INPUTS

EXTERNAL MUTING FOR EARPHONE AND

MICROPHONE

SUITABLE FOR DYNAMIC EARPHONE AND

DYNAMIC OR ELECTRET MICROPHONE

AGC CONTROL ON BOTH SENDING AND

RECEIVING

DIP14

SO14

DESCRIPTION

The L3281 is an electronic speech circuit devel-

oped to replace hybrid circuits in telephone sets

that can be operated in parallel with other

phones.

BLOCK DIAGRAM

ORDERING NUMBERS:

L3281AB

L3281AD1

June 1993

1/10

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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L3281AD1相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
• L3280
  英文版
  ETC
  L3280
• L3280
  英文版
  LOW VOLTAGE TELEPHONE SPEECH CIRCUIT
  STMicro
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• L3281
  英文版
  LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
  
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• L3281
  英文版
  LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
  STMICROELECTRON...
  L3281
• L3280AB
  英文版
  Telephone Speech Circuit
  ETC
  L3280AB
• L3280AB
  英文版
  LOW VOTAGE TELEPHONE SPEECH CIRCUIT
  STMICROELECTRON...
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• L3281AB
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  L3281AB
• L3281AB
  英文版
  LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
  STMICROELECTRON...
  L3281AB
• L3281AD1
  英文版
  LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
  
  L3281AD1
• L3281AD1
  英文版
  LOW VOLTAGE TELEPHONE SPEECH CIRCUITS
  STMICROELECTRON...
  L3281AD1

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