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參數資料
| 型號： | 73M1903-EVM-WW |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/47頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD DEMO 73M1903 PPU WORLDWIDE |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 主要目的： | 接口，模擬前端（AFE） |
| 已用 IC / 零件： | * |
| 主要屬性： | * |
| 次要屬性： | * |
| 已供物品： | * |
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73M1903
Modem Analog Front End
Simplifying System Integration
TM
DATA SHEET
March 2010
Rev. 2.1
2010 Teridian Semiconductor Corporation
1
DESCRIPTION
The Teridian 73M1903 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.
The device incorporates a programmable sample
rate circuit to support soft modem and DSP based
implementations of all speeds up to V.92 (56 kbps).
The sampling rates supported are from 7.2 kHz to
14.4 kHz by programming pre-scaler NCO and PLL
NCO.
The 73M1903 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.
Cost-saving features of the device include an input
reference frequency circuit, which accepts a range
of crystals from 9-27 MHz. It also accepts external
reference clock values between 9-40 MHz
generated by the host processor. In most
applications, this eliminates the need for a dedicated
crystal oscillator and reduces the bill of material
(BOM).
The 73M1903 also supports two analog loop back
and one digital loop back test modes.
Receive
Mux/
Filters
Transmit
Drivers/
Filters
TXAP
TXAN
(HYBRID)
DAA
Controls
RXAP
RXAN
HOOK
Analog
Sigma
Delta
Control
Registers
Ref.
Clocks
Control
Logic
DAC
VBG
Serial
Port
SCLK
SDIN
SDOUT
FSB
Crystal
GPIO
FEATURES
Up to 56 kbps (V.92) performance
Programmable sample rates (7.2 - 14.4 kHz)
Reference clock range of 9-40 MHz
Crystal frequency range of 9-27 MHz
Host synchronous serial interface operation
Pin compatible with 73M2901CL/CE
modems
Low power modes
On board line interface drivers
Fully differential receiver and transmitter
Drivers for transformer interface
3.0 V – 3.6 V operation
5 V tolerant I/O
Industrial temperature range (-40 to +85
°C)
JATE compliant transmit spectrum
Package options:
32-pin QFN
20-pin TSSOP
RoHS compliant (6/6) lead-free packages
APPLICATIONS
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
RF Modems
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 73M1903-IM/F | 功能描述:電信線路管理 IC Modem AFE V.22Bis-V.92 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 |
| 73M1903-IM/F1 | 功能描述:電信線路管理 IC 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 |
| 73M1903-IMR/F | 功能描述:電信線路管理 IC Modem AFE V.22Bis-V.92 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 |
| 73M1903-IMR/F1 | 功能描述:電信線路管理 IC 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 |
| 73M1903-IVT/F | 功能描述:IC MODEM AFE V.22BIS 20-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模擬前端 (AFE) 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:- 通道數:2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應商設備封裝:32-QFN（5x5） 包裝:帶卷 (TR) |
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