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| 型號： | LA2806M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Signal Processor and Power Amplifier IC for Telephone Answering Machines |
| 中文描述： | 信號處理器和功放的IC電話答錄機 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 177K |
| 代理商： | LA2806M |
Signal Processor and Power Amplifier IC for
Telephone Answering Machines
Overview
The LA2806M is a one-chip voice signal processing IC for
single-mechanism answering machines that incorporates the
basic functions required for an answering machine as well as
the microcontroller interface and analog switches that are
needed in order to control those basic functions.
Functions
.
Recording preamplifier (with ALC : LINE/MIC input)
.
Playback equalizer amplifier
.
Recording amplifier (DC bias)
.
Analog switches
.
Voice-operated switch (VOX) with filter
.
Power amplifier (P
O
= 200 mW, R
L
= 8
, V
CC
= 5 V)
.
Line output buffer
.
Microcontroller interface
Features
.
One-chip voice signal processing for single-mechanism
answering machines
.
Because the LA2806M incorporates all of the basic functions
required for an answering machine and can be controlled by
a microcontroller, this IC makes it possible to design an
original system
.
Built-in power amplifier
.
Allows conversation recording mode
.
Recording bias and amplifier gain control current can be set
separately using external resistors.
.
Small package (MFP30S)
Package Dimensions
unit : mm
3073A-MFP30S
[LA2806M]
SANYO : MFP30S
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
V
CC
max,
P.V
CC
max
Pd max
Topr
Tstg
Conditions
Ratings
Unit
V
Maximum supply voltage
9
Allowable power dissipation
Operating temperature
Storage temperature
800
mW
°C
°C
–20 to +70
–40 to +150
Ordering number: EN 3852D
Monolithic Linear IC
LA2806M
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
O3097HA (II)/72495HA (ID)/3092HK/D111TS No.3852 - 1/11
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