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MC34118G-E28-T PDF预览

MC34118G-E28-T

更新时间: 2024-01-24 14:36:42
品牌 Logo 应用领域
友顺 - UTC 电话
页数 文件大小 规格书
12页 297K
描述
VOICE SWITCHED SPEAKER-PHONE CIRCUIT

MC34118G-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:HALOGEN 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

MC34118G-E28-T 数据手册

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MC34118  
LINEAR INTEGRATED CIRCUIT  
„
FUNCTIONAL DESCRIPTION(Cont.)  
AGC  
The AGC circuit only affects the circuit under such situation: when the circuit is in the receive mode, and when  
CC is less than 3.5v. As while as VCC falls below 3.5 volts, the transmit path attenuation changes so that the sum of  
V
the transmit and receive gains remains constant.  
ATTENUATOR CONTROL BLOCK  
This block has the seven:  
* C1: The output of the comparator operated by RLO2 and TLO2 (here means in microphone/ speaker side).  
* C2: The output of the comparator operated by RLO1 and TLO1 (here means Tip/ Ring side).  
* C3: The output of the transmit background noise monitor.  
* C4: The output of the receive background noise monitor.  
* Volume control  
* Dial tone detector  
* AGC circuit  
The C1~C4 effect is as follows:  
INPUTS  
OUTPUT  
C1  
TX  
TX  
RX  
RX  
TX  
TX  
RX  
RX  
C2  
TX  
RX  
TX  
RX  
TX  
RX  
TX  
RX  
C3  
1
C4  
X
Y
Y
1
Transmit Mode  
Fast Idle Mode  
Fast Idle Mode  
Receive Mode  
Slow Idle Mode  
Slow Idle Mode  
Slow Idle Mode  
Slow Idle Mode  
Y
Y
X
0
X
0
0
0
0
X
0
Switching to the full transmit or receive from any other mode is at the fast rate (~30 ms).  
X :Don’t care  
Y :C3,C4 are not both 0  
UNISONIC TECHNOLOGIES CO., LTD  
9 of 12  
QW-R108-007,D  
www.unisonic.com.tw  

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