參數(shù)資料
型號(hào)： LA8518NM
廠商： Sanyo Electric Co.,Ltd.
英文描述： Signal Processor for Cordless Telephone Base Sets(用于無繩電話設(shè)備的信號(hào)處理器)
中文描述： 信號(hào)處理器無繩電話基地集（用于無繩電話設(shè)備的信號(hào)處理器）
文件頁數(shù)： 1/31頁
文件大小： 560K
代理商： LA8518NM
Signal Processor for Cordless Telephone Base Sets
Functions
Speech network block
c
2-wire/4-wire conversion
c
Line driver
c
Transmitting amplifier
c
Receiving amplifier (with ATT)
c
Power supply switching circuit
c
Impedance matching
c
DTMF interface
c
Key tone interface
c
BN circuit network switching circuit
(BN = Balancing Network)
Signal processor block
c
Record preamplifier (with ALC)
c
Record amplifier
c
Power amplifier (V
CC
= 5 V, R
L
= 8
, P
O
= 200 mW)
c
Playback equalizer amplifier
c
Voice detector (VOX)
c
Electronic volume control (4 dB, 7 steps)
Crosspoint switch block
c
Crosspoint switches (mixing available)
c
CPU interface
Features
c
Because it is possible to switch the Balancing Network
between two systems, one for the near end and one for the
far end, in accordance with the line current, this IC provides
excellent sidetone characteristics over a wide range of line
currents.
c
Receiver amplifier supports ceramic receivers and dynamic
receivers.
c
Power amplifier on chip
(V
CC
= 5 V, R
L
= 8
, P
O
= 200 mW).
c
Crosspoint switches allow full mixing, permitting the
implementation of a variety of functions, such as three- or
four-way calls.
c
Digital volume control on chip (power system output).
Package Dimensions
unit : mm
3159-QFP64E
[LA8515NM]
SANYO : QIP64E
A
Ambient temperature, Ta °C
120
×
120
×
1.5 mm
3
glass epoxy board
Independent IC
Ordering number: EN5421
Monolithic Linear IC
LA8518NM
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
41596HA (II) No.5421-1/31
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PDF描述
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