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73M1903C-IM/F

更新时间： 2024-11-14 06:31:43
品牌 Logo 应用领域
TERIDIAN 调制解调器
页数 文件大小 规格书
46页 452K
描述
Modem Analog Front End

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中文翻译

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73M1903C-IM/F 技术参数

生命周期：Transferred包装说明：LEAD FREE, QFN-32
Reach Compliance Code：unknown风险等级：5.83
商用集成电路类型：CONSUMER CIRCUITJESD-30 代码：S-PQCC-N32
长度：5 mm功能数量：1
端子数量：32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：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE认证状态：Not Qualified
座面最大高度：0.9 mm最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：3 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：5 mm

73M1903C-IM/F 数据手册

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73M1903C  
Modem Analog Front End  
DATA SHEET  
JANUARY 2008  
DESCRIPTION  
Features  
•
Two pairs of software selectable transmit  
differential outputs for worldwide impedance  
driver implementations.  
The TERIDIAN 73M1903C Analog Front End  
(AFE) IC includes fully differential hybrid driver  
outputs, which connect to the telephone line  
interface through a transformer-based DAA. The  
receive pins are also fully differential for  
maximum flexibility and performance. This  
arrangement allows for the design of a high  
performance hybrid circuit to improve signal to  
noise performance under low receive level  
conditions, and compatibility with any standard  
transformer intended for PSTN communications  
applications.  
•
•
•
•
•
Up to 56kbps (V.92) performance  
Programmable sample rates (7.2-16.0kHz)  
Reference clock range of 1-40MHz  
Crystal frequency range of 4.9-27MHz  
Master or slave mode operation and daisy  
chain configurable synchronous serial Host  
interface  
•
•
Low power modes  
Fully differential receiver and transmitter  
Drivers for transformer interface  
3.0V – 3.6V operation  
•
•
•
•
The device incorporates a programmable sample  
rate circuit to support soft modem and DSP  
based implementations of all speeds up to V.92  
(56kbps). The sampling rates supported are from  
7.2kHz to 16.0kHz by programming the pre-  
scaler NCO and the PLL NCO.  
5V tolerant I/O  
Industrial temperature range (-40 to +85°C)  
JATE compliant transmit spectrum  
•
Package options: 32 pin QFN  
Applications  
The TERIDIAN 73M1903C device incorporates a  
digital host interface that is compatible with the  
serial ports found on most commercially available  
DSPs and processors and exchanges both  
payload and control information with the host.  
This interface can be configured as a single  
master/slave mode or as a daisy chain mode that  
allows the user to connect up to eight 73M1903C  
devices to a single host for multi Analog Front  
End applications, such as, central server  
modems.  
•
•
•
•
•
•
•
•
•
•
•
•
Central site server modems  
Set Top Boxes  
Personal Video Recorders (PVR)  
Multifunction Peripherals (MFP)  
Fax Machines  
Internet Appliances  
Game Consoles  
Point of Sale Terminals  
Automatic Teller Machines  
Speaker Phones  
Digital Answering Machines  
RF Modems  
Costs saving features of the device include an  
input reference frequency circuit, which accepts a  
range of crystals from 4.9-27MHz. It also accepts  
external reference clock values between 1MHz-  
40MHz generated by the host processor. In most  
applications, this eliminates the need for a  
dedicated crystal oscillator and reduces the bill of  
materials (BOM).  
VBG  
(HYBRID)  
TXAP1  
Transmit  
Drivers/  
Filters  
Analog  
Sigma  
Delta  
TXAN1  
Ref.  
TXAP2  
TXAN2  
SCLK  
SDIN  
SDOUT  
FS  
Control  
Receiver  
MUX/  
Serial  
Port  
RXAP  
RXAN  
Registers  
DAC  
Clock  
Crystal  
Filters  
FSD  
GPIO  
DAA  
Control  
Logic  
The 73M1903C also supports two analog loop  
back and one digital loop back test modes.  
controls  
HOOK  
Page: 1 of 46  
© 2005-2008 TERIDIAN Semiconductor Corporation  
Rev 4.3  
1234567...46

中文翻译

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