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MC34118L-E28-T PDF预览

MC34118L-E28-T

更新时间: 2024-11-24 11:09:07
品牌 Logo 应用领域
友顺 - UTC 电信集成电路电信电路电话电路
页数 文件大小 规格书
12页 297K
描述
VOICE SWITCHED SPEAKER-PHONE CIRCUIT

MC34118L-E28-T 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:DIP包装说明:LEAD FREE, SDIP-28
针数:28Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.58
JESD-30 代码:R-XDIP-T28长度:25.6 mm
功能数量:1端子数量:28
最高工作温度:60 °C最低工作温度:-20 °C
封装主体材料:UNSPECIFIED封装代码:SDIP
封装等效代码:SDIP28,.4封装形状:RECTANGULAR
封装形式:IN-LINE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.5/6.5 V认证状态:Not Qualified
座面最大高度:4.31 mm子类别:Telephone Circuits
最大压摆率:0.008 mA标称供电电压:5 V
表面贴装:NO技术:BIPOLAR
电信集成电路类型:SPEAKER PHONE CIRCUIT温度等级:OTHER
端子形式:THROUGH-HOLE端子节距:1.778 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:10.16 mmBase Number Matches:1

MC34118L-E28-T 数据手册

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UNISONIC TECHNOLOGIES CO., LTD  
MC34118  
LINEAR INTEGRATED CIRCUIT  
VOICE SWITCHED  
SPEAKER-PHONE CIRCUIT  
SOP-28  
„
DESCRIPTION  
As a voice switched speaker-phone integrated circuit, the UTC  
MC34118 includes the necessary amplifiers, attenuators, level  
detectors and control algorithm.  
DIP-28  
To form the UTC MC34118’s internal circuit, there is an internal  
microphone amplifier with adjustable gain and mute control, internal  
transmit and Receive attenuators (operate in a complementary  
manner), level detectors at both input and output of both attenuators,  
and background noise monitors for both the transmit and receive  
channels.  
SDIP-28  
The dial tone can be pretended from being attenuated by the  
receive background noise monitor circuit by a dial tone detector.  
There are also two line driver amplifiers which can be used to form a  
hybrid network in conjunction with an external coupling transformer. A  
high-pass filter can be used for other filtering functions, and especially  
to filter out 60Hz noise in the receive channel.  
Lead-free:  
Halogen-free: MC34118G  
MC34118L  
The UTC MC34118 which requiring typically 5mA may be  
operated from a power supply, or it can be powered from the  
telephone line.  
„
FEATURES  
* Attenuator gain range: 52dB (between Transmit and Receive)  
* For line-powered applications : 3~6.5V low voltage operation  
* For improved sensitivity :4-point signal sensing  
* For Transmit and Receive paths: background noise monitors  
* External resistors set microphone amplifier gain  
* Mute function included  
* Chip disable: active or standby operation  
* During dial tone presence: dial tone detector to inhibit receive idle  
mode  
„
ORDERING INFORMATION  
Ordering Number  
Package  
Packing  
Normal  
Lead Free Plating  
MC34118L-D28-T  
MC34118L-E28-T  
MC34118L-S28-T  
MC34118L-S28-R  
Halogen Free  
MC34118-D28-T  
MC34118-E28-T  
MC34118-S28-T  
MC34118-S28-R  
MC34118G-D28-T  
MC34118G-E28-T  
MC34118G-S28-T  
MC34118G-S28-R  
DIP-28  
SDIP-28  
SOP-28  
SOP-28  
Tube  
Tube  
Tube  
Tape Reel  
www.unisonic.com.tw  
Copyright © 2009 Unisonic Technologies Co., Ltd  
1 of 12  
QW-R108-007,D  

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