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參數(shù)資料
| 型號： | MTC20174-TQ-C1 |
| 廠商： | 意法半導體 |
| 英文描述： | PCI/USB ADSL CHIPSET |
| 中文描述： | 的PCI / ADSL芯片組的USB |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 121K |
| 代理商： | MTC20174-TQ-C1 |
4/6
MTC20174
September 2004
This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice.
6
FEATURES
■
Fully Integrated AFE and Line Driver for ADSL
■
Overall 12 bit resolution, 1.1MHz signal
bandwidth
■
8.8 MS/s ADC
■
8.8 MS/s DAC
■
Differential analog I/O
■
Accurate continuous-time channel filtering
■
5
th
& 4
th
order tunable continuous-time receive
and transmit filters respectively
■
Support for multiple ADSL standards:
– ANSI T1.413 Issue 2
– ITU G.992.1 (G.dmt)
– Annex A
– Annex B (ADSL over ISDN)
– Annex C (ADSL over ISDN SBM/DBM/
G.dmt)
– ITU G.992.2 (G.lite)
■
Highest performance:
– Operation up to 18 kft (26 AWG)
– More than 8 Mbps downstream and 832 Kbps
upstream up to 8 kft (26 AWG)
– More than 3 Mbps downstream and 760 kbps
upstream up to 12 kft (26 AWG)
■
100 pin TQFP package allows high-density
board design
■
Power dissipation of 900mW at 25°C, typical
7
The MTC20174 is an ADSL Analog Front-End
(AFE) with integrated Line-Driver for ATU-R appli-
cations offering Annex A, B and C.
APPLICATIONS
8
The MTC20174 Analog Front End (AFE) with inte-
grated line driver is designed for DMT based
ADSL CPE modems compliant with ANSI T1.413
issue 2, ITU G.992.1 (G.dmt) and ITU G.992.2
(G.lite), for Annex A, B and C.
GENERAL DESCRIPTION
It is intended to be used with the MTC20166 DMT
modem and ATM framer as part of the MTK20170
chipset, but may also be used to support other
ADSL signal processors. It includes the following
parts:
■
A 12-bit 8.8Msamples/s DAC
■
A 13-bit 8.8Msamples/s ADC
■
Tunable low-pass and high-pass filters
■
Low-noise PGAs
■
A TX Pre-Amplifier
■
A TX Line-Driver
■
A fully integrated DCXO
■
A PLL-based frequency doubler
■
A filter tuning circuit
■
A dying gasp circuit
■
A digital module for control, test and interface
The following figure provides a graphical repre-
sentation of the MTC20174 functional blocks with
an additional separation in RX and TX path.
The analog and digital part have separated 3.3V
power supplies. In addition some part of the ana-
log section of the MTC20174 has a power supply
of 5V.
The typical total power consumption of the
MTC20174 is 900mW for 12dBm of line power (full
operation) at 250°C.
The package is a 100 pin TQFP.
DATA BRIEF
ADSL ANALOG FRONT END WITH INTEGRATED LINE
DRIVER FOR CPE APPLICATIONS
Figure 3. Package
Table 2. Order Codes
Part Number
MTC20174-TQ-C1
MTC20174-TQ-C1TR
Package
TQFP100
Tape & Reel
Temperature
0 to 70°C
0 to 70°C
TQFP100
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相關代理商/技術參數(shù) |
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| MTC20174-TQ-C1TR | 功能描述:電信線路管理 IC ADSL Analg Front-End RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| MTC20276 | 制造商:PULSE 制造商全稱:Pulse A Technitrol Company 功能描述:TELECOMMUNICATIONS PRODUCTS |
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| MTC20454 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD INTEGRATED ADSL CMOS ANALOG FRONT END CIRCUIT |
| MTC20454-TQ-I | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD INTEGRATED ADSL CMOS ANALOG FRONT END CIRCUIT |
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