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TDA9881 PDF预览

TDA9881

更新时间: 2024-02-08 22:26:28
品牌 Logo 应用领域
恩智浦 - NXP 电视
页数 文件大小 规格书
42页 210K
描述
Alignment-free vision and FM sound IF PLL demodulator for negative modulated TV standards

TDA9881 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:QCCN, LCC32,.2SQ,20Reach Compliance Code:unknown
风险等级:5.73JESD-30 代码:S-PQCC-N32
JESD-609代码:e0端子数量:32
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:QCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER电源:5 V
认证状态:Not Qualified子类别:Other Consumer ICs
最大压摆率:70 mA表面贴装:YES
温度等级:OTHER端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUADBase Number Matches:1

TDA9881 数据手册

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TDA9881  
Alignment-free vision and FM sound IF PLL demodulator for  
negative modulated TV standards  
Rev. 01 — 16 November 2004  
Product data sheet  
1. General description  
The TDA9881 is an alignment-free multistandard (PAL and NTSC) vision and sound  
IF signal PLL demodulator for negative modulation, including Quasi Split Sound (QSS) or  
intercarrier FM processing.  
2. Features  
5 V supply voltage  
Gain controlled wideband Vision Intermediate Frequency (VIF) amplifier; AC-coupled  
Multistandard true synchronous demodulation for negative modulated standards with  
active carrier regeneration: very linear demodulation, good intermodulation figures,  
reduced harmonics and excellent pulse response  
Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free, frequencies  
switchable via logic pin VIF0 and pin QSSO with resistor  
Digital acquisition help circuit, VIF frequencies of 38.0 MHz, 38.9 MHz, 45.75 MHz and  
58.75 MHz  
4 MHz reference frequency input signal from Phase-Locked Loop (PLL) tuning system  
or operating as crystal oscillator  
VIF Automatic Gain Control (AGC) detector for gain control; operating as peak sync  
detector  
VIF AGC monitor output at pin VAGC  
Precise fully digital Automatic Frequency Control (AFC) detector with 4-bit  
digital-to-analog converter  
TakeOver Point (TOP) adjustable with potentiometer  
Fully integrated sound carrier trap for 4.5 MHz, 5.5 MHz, 6.0 MHz and 6.5 MHz;  
controlled by FM PLL oscillator  
Sound IF (SIF) input for single reference Quasi Split Sound (QSS) mode; PLL  
controlled  
SIF AGC for gain controlled SIF amplifier; single reference QSS mixer able to operate  
in high performance single reference QSS mode or in intercarrier mode; switchable via  
SIF input pins  
Alignment-free selective FM PLL demodulator with high linearity and low noise.  
3. Applications  
TV, VTR, PC and Set-Top Box (STB) applications.  

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