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MTC20454 PDF预览

MTC20454

更新时间: 2024-01-22 14:47:31
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS /
页数 文件大小 规格书
15页 518K
描述
QUAD INTEGRATED ADSL CMOS ANALOG FRONT END CIRCUIT

MTC20454 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:QFP包装说明:14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
针数:100Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.84
JESD-30 代码:S-PQFP-G100JESD-609代码:e4
长度:14 mm功能数量:1
端子数量:100最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装等效代码:QFP100,.63SQ,20
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
电源:3.3 V认证状态:Not Qualified
座面最大高度:1.6 mm子类别:Other Telecom ICs
标称供电电压:3.3 V表面贴装:YES
技术:CMOS电信集成电路类型:TELECOM CIRCUIT
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD宽度:14 mm
Base Number Matches:1

MTC20454 数据手册

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MTC20454  
QUAD INTEGRATED ADSL CMOS  
ANALOG FRONT END CIRCUIT  
Fully integrated quad AFE for ADSL  
Overall 12 bit resolution  
1.1MHz signal bandwidth  
8.8 MS/s ADC  
8.8 MS/s DAC  
THD: -60 dB @ full scale  
1 V full scale input  
TQFP100 14x14x1.4  
ORDERING NUMBER: MTC20454-TQ-I  
Differential analog I/O  
Accurate continuous-time channel filtering  
fifth generation Analog Front End (AFE) designed  
for DMT based ADSL modems compliant with ITU  
G.992.1 and G.992.1 standards. It includes four 12  
bit DACs and one 13 bit ADC.  
3rd & 4th order tuneable continuous time LP  
Filters  
100 pin TQFP package, Industrial Range  
qualified  
It is intended to be used with the MTC20455 DMT/  
ATM processor as part of the MTK20450. The  
MTC20454 provides programmable low pass fil-  
ters for each of the two channels and automatic  
gain control for four individual ADSL modems.  
175 mW power consumption per line  
APPLICATIONS  
ADSL Front-end for high density, low power  
The pipeline ADC architecture provides 13 bit dy-  
namic range and a signal bandwidth of 1.1 MHz.  
The device consumes only 0.7 Watt in full opera-  
tion of all four modems and has a power down  
mode for standby.  
central office and digital loop carrier equipment  
DESCRIPTION  
The MTC20454 is the first DynaMiTe ADSL (Asyn-  
chronous Digital Subscriber Line) analog front end  
designed specifically for the central office. It is a  
It is housed in a compact 100 pin thin plastic quad  
flat package.  
Figure 1. Sample board layout  
Discrete  
LD  
FE  
Discrete  
LD  
MTC20455  
FE  
MTC20454  
Quad Analog Front End  
Quad ADSL DMT Modem  
Line  
and ATM Framer  
ATM  
Discrete  
FE  
LD  
LD  
Discrete  
FE  
SDRAM  
MTC20136  
Modem  
Controller  
February 2004  
1/15  

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