MX469DW PDF预览

MX469DW

更新时间: 2025-07-19 13:01:59
品牌 Logo 应用领域
CMLMICRO 调制解调器
页数 文件大小 规格书
17页 445K
描述
Modem, 4.8kbps Data, CMOS, PDSO24, SOIC-24

MX469DW 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP24,.4针数:24
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.83Is Samacsys:N
其他特性:FULL DUPLEX; OTHER DATA RATES ARE 1.2KBPS AND 2.4KBPS数据速率:4.8 Mbps
JESD-30 代码:R-PDSO-G24长度:15.36 mm
功能数量:1端子数量:24
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:SOP
封装等效代码:SOP24,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:2.67 mm最大压摆率:4.5 mA
标称供电电压:5 V表面贴装:YES
电信集成电路类型:MODEM温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.425 mm
Base Number Matches:1

MX469DW 数据手册

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DATA BULLETIN  
1200/2400/4800bps MSK Modem  
MX469  
Features  
Applications  
Selectable Data Rates  
Radio and General Applications  
Data-Over-Radio  
1200/2400/4800bps  
Full-Duplex MSK  
PMR/Cellular Signaling  
Portable Data Terminals  
Personal/Cordless Telephone  
RX and TX Bandpass Filters  
Clock Recovery and  
Carrier Detect Capabilities  
Pin Selected Xtal/Clock Inputs  
1.008MHz or 4.032MHz  
TX GENERATOR  
TX FILTER  
TX SIGNAL O/P  
TX SYNC O/P  
TX DATA I/P  
TX ENABLE  
CLOCK RATE  
XTAL/CLOCK  
VDD  
VBIAS  
CLOCK  
OSCILLATOR  
DIVIDER  
f..  
n
XTAL  
VSS  
1200/2400 BPS SELECT  
4800 BPS SELECT  
BANDPASS O/P  
RETRIGGERABLE  
MONOSTABLE  
DATA  
FILTER  
RX FILTER  
LIMITER  
LIMITER  
RX ENABLE  
UNCLOCKED  
DATA O/P  
RX SIGNAL I/P  
DIGITAL  
FILTER  
RECTIFIER  
RECTIFIER  
CLOCKED  
DATA O/P  
DIGITAL  
PLL  
DATA  
LATCH  
RX SYNC O/P  
NOISE FILTER  
CARRIER DETECT O/P  
S/N  
COMPARATOR  
CARRIER DETECT TIME CONSTANT  
The MX469 is a full-duplex pin-selectable 1200/2400/4800bps Minimum Shift Key (MSK) Modem for FM radio  
links. The mark and space frequencies are 1200/1800, 1200/2400, and 2400/4800Hz respectively. Tone  
frequencies are phase continuous; transitions occur at the zero crossing point. The use of a common Xtal  
oscillator with a choice of two clock frequencies (1.008MHz or 4.032MHz) provides data-rate, transmit  
frequencies, and RX/TX synchronization. The transmitter and receiver operate entirely independently  
including individual section powersave functions.  
The MX469 includes on-chip circuitry for Carrier Detect and RX Clock Recovery, both of which are made  
available at output pins. RX, TX, and Carrier Detect circuits contain bandpass filters to provide high quality  
signals in their respective paths. The carrier detect time constant is set by an external capacitor, whose value  
should be arranged as required to further enhance this product's performance in high-noise environments.  
The MX469 demonstrates high sensitivity and good bit-error-rate under adverse signal conditions.  
This low-power device requires few external components and is available in the following packages:  
24-pin SOIC (MX469DW), 22-pin PDIP (MX469P), and 20-pin SOIC (MX469D3).  
1998 MX-COM, Inc.  
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA  
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054  
Doc. # 20480081.010  
All trademarks and service marks are held by their respective companies.  

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