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73M1903-IM/F

更新时间： 2024-02-10 09:57:20

品牌	Logo	应用领域
TERIDIAN		调制解调器
页数	文件大小	规格书
46页	530K
描述
Modem Analog Front End

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技术参数
数据手册

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73M1903-IM/F 技术参数

生命周期：	Transferred	包装说明：	ROHS COMPLIANT, MO-153AC, TSSOP-20
Reach Compliance Code：	unknown	风险等级：	5.59
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	R-PDSO-G20
长度：	6.5 mm	功能数量：	1
端子数量：	20	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：	TSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	认证状态：	Not Qualified
座面最大高度：	1.1 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：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
宽度：	4.4 mm	Base Number Matches：	1

73M1903-IM/F 数据手册

73M1903

Modem Analog Front End

Simplifying System Integration^TM

DATA SHEET

February 2009

DESCRIPTION

FEATURES

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

•

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

performance under low receive level conditions,

and compatibility with any standard transformer

intended for PSTN communications applications.

•

Low power modes

On board line interface drivers

Fully differential receiver and transmitter

Drivers for transformer interface

3.0 V – 3.6 V operation

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.

5 V tolerant I/O

Industrial temperature range (-40 to +85 °C)

JATE compliant transmit spectrum

Package options:

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.

•

32-pin QFN

20-pin TSSOP

•

RoHS compliant (6/6) lead-free packages

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).

APPLICATIONS

•

Set Top Boxes

Personal Video Recorders (PVR)

Multifunction Peripherals (MFP)

Fax Machines

Internet Appliances

Game Consoles

The 73M1903 also supports two analog loop

back and one digital loop back test modes.

Point of Sale Terminals

Automatic Teller Machines

Speaker Phones

VBG

(HYBRID)

Transmit

Drivers/

Filters

Analog

Sigma

Delta

TXAP

TXAN

Ref.

RF Modems

SCLK

SDIN

Receive

Mux/

Filters

RXAP

RXAN

Control

Registers

Serial

Port

SDOUT

DAC

FSB

GPIO

DAA

Controls

Control

Logic

Clocks

Crystal

HOOK

Rev. 2.0

12 3 4 5 6 7...46

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与73M1903-IM/F相关器件

型号	品牌	描述	获取价格	数据表
73M1903-IMR/F	TERIDIAN	Modem Analog Front End	获取价格
73M1903-IVT/F	TERIDIAN	Modem Analog Front End	获取价格
73M1903-IVTR/F	TERIDIAN	Modem Analog Front End	获取价格
73M1922-IM/F	MAXIM	Consumer Circuit, 5 X 5 MM, ROHS COMPLIANT, QFN-32	获取价格
73M1922-IMR/F	TERIDIAN	Consumer Circuit, 5 X 5 MM, ROHS COMPLIANT, QFN-32	获取价格
73M1922-IMR/F	MAXIM	Consumer Circuit, 5 X 5 MM, ROHS COMPLIANT, QFN-32	获取价格

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