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AD9969:  单电源电缆调制解调器/机顶盒混合信号前端

AD9969是一款单电源电缆调制解调器/机顶盒混合信号前端,内置发射路径插值滤波器、完整正交数字上变频器和发射DAC。接收路径内置双通道12位ADC和10位ADC。内部需要的所有时钟和输出系统时钟均由PLL从单晶体振荡器或时钟输入产生。

发射路径插值滤波器提供8倍的升采样系数,对于1 dB通道纹波,其输出信号带宽最高可达8.7 MHz。直接数字频率合成器(DDS)可以产生最高65 MHz的载波频率,调谐分辨率为26位。发射DAC的分辨率为14位,能以高达232 MSPS的采样速率工作。模拟输出可以在0 dB至7.5 dB范围内调整,步进为0.5 dB,以便在输出电平需要降低时保持信噪比(SNR)性能。

12位ADC提供出色的欠采样性能,使该器件可对最高70 MHz的中频输入进行采样。12位中频ADC的采样速率最高可达29 MSPS,因而能处理宽带信号。

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AD9969:  单电源电缆调制解调器/机顶盒混合信号前端

Product Description

AD9969是一款单电源电缆调制解调器/机顶盒混合信号前端,内置发射路径插值滤波器、完整正交数字上变频器和发射DAC。接收路径内置双通道12位ADC和10位ADC。内部需要的所有时钟和输出系统时钟均由PLL从单晶体振荡器或时钟输入产生。

发射路径插值滤波器提供8倍的升采样系数,对于1 dB通道纹波,其输出信号带宽最高可达8.7 MHz。直接数字频率合成器(DDS)可以产生最高65 MHz的载波频率,调谐分辨率为26位。发射DAC的分辨率为14位,能以高达232 MSPS的采样速率工作。模拟输出可以在0 dB至7.5 dB范围内调整,步进为0.5 dB,以便在输出电平需要降低时保持信噪比(SNR)性能。

12位ADC提供出色的欠采样性能,使该器件可对最高70 MHz的中频输入进行采样。12位中频ADC的采样速率最高可达29 MSPS,因而能处理宽带信号。

AD9969内置两个可编程Σ-Δ型DAC,可用来控制可变增益放大器(VGA)或电压控制调谐器等外部器件。

该器件还集成CA端口,使主机处理器能通过MxFE™串行端口控制可编程增益放大器(PGA)电缆驱动器,例如AD832x系列。

AD9969采用100引脚无铅LQFP封装,额定温度范围为0°C至+70°C商用温度范围。

应用

  • 电缆机顶盒
  • 电缆和无线调制解调器
  • Td

    TECHNICAL DOCUMENTATION

    • 低成本3.3 V CMOS MxFE™,适合宽带应用
    • 符合DOCSIS、DOCSIS 2.0、OpenCable、EURO-DOCSIS、DVB-C、DAVIC要求
    • 232 MHz正交数字上变频器
    • 14位直接中频DAC (TxDAC+™)
    • 最高65 MHz载波频率DDS
    • 可编程采样时钟速率
    • 模拟发射输出电平可调
    • 双通道12位、29 MSPS直接中频ADC,具有视频箝位输入
    • 10位、29 MSPS采样ADC
    • 双通道8位Σ-Δ型辅助DAC
    • 可与AD8321/AD8323或AD8322/AD8327 PGA电缆驱动器直接接口
    • Resolution (Bits): 12bit
    • T-Put Rate: 29MSPS
    • Part #: AD9969
    • Supply V: Single(+3.3)

    AD9969功能框图

    Part# RxTx Function Channel BW MHz IF or RF Range MHz Primary Application Supply V Product Description Price* (1000-4999) Resolution (Bits) # Chan T-Put Rate
    AD9863 Bband Quadrature CODEC n/a n/a Broadband Wireless Single(+3), Single(+3.3) Mixed-Signal Front-End (MxFE™) Baseband Transceiver for Broadband Applications $21.68 12 2 50MSPS
    ADF9010 Analog RF Front End n/a 840-960 900 MHz RFID/ISM Single(+3) 900MHz ISM Band Analog RF Front End - n/a n/a n/a
    ADRF6601 IF-to-Bits Rx Subsys 500 300-2500 Receiver Single(+5) 750 MHz to 1160 MHz Rx Mixer with Integrated Fractional-N PLL and VCO - - - -
    ADRF6602 IF-to-Bits Rx Subsys 500 1000-3100 Receiver Single(+5) 1550 MHz to 2150 MHz Rx Mixer with Integrated Fractional-N PLL and VCO - - - -
    ADRF6603 IF-to-Bits Rx Subsys 500 1100-3200 Receiver Single(+5) 2100 MHz to 2600 MHz Rx Mixer with Integrated Fractional-N PLL and VCO - - - -
    ADRF6604 IF-to-Bits Rx Subsys 500 1200-3600 Receiver Single(+5) 2500 MHz to 2900 MHz Rx Mixer with Integrated Fractional-N PLL and VCO - - - -
    ADRF6701 Bits-to-RF/IF Tx Subsys 500 400-1300 Transmitter Single(+5) 750 MHz to 1160 MHz Quadrature Modulator with Integrated Fractional-N PLL and VCO - - - -
    ADRF6702 Bits-to-RF/IF Tx Subsys 500 1200-2400 Transmitter Single(+5) 1550 MHz to 2150 MHz Quadrature Modulator with Integrated Fractional-N PLL and VCO - - - -
    ADRF6703 Bits-to-RF/IF Tx Subsys 500 1600-2600 Transmitter Single(+5) 2100 MHz to 2600 MHz Quadrature Modulator with Integrated Fractional-N PLL and VCO - - - -
    ADRF6704 Bits-to-RF/IF Tx Subsys 500 2200-3000 Transmitter Single(+5) 2500 MHz to 2900 MHz Quadrature Modulator with Integrated Fractional-N PLL and VCO - - - -
    ADRF6750 Quadrature Modulator n/a 950 to 1575 VSAT Terminals - 950 MHz to 1575 MHz Quadrature Modulator with Integrated Fractional-N PLL and VCO - - - -
    AD9868 Bband CODEC - - Broadband Wireline, Home Networking Multi(+3.3Anlg, +3.3Dig) 10-Bit DAC/80 MSPS, 10-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications - 10 1 80MSPS
    AD9865 Bband CODEC 35 DC-40 Broadband Wireline, Home Networking Single(+3.3) 10-Bit DAC/80 MSPS, 10-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications $10.07 10 1 80MSPS
    AD9869 Bband CODEC 54 DC-40 Broadband Wireline, Home Networking Multi(+3.3Anlg, +3.3Dig), Single(+3.3) 12-Bit DAC/80 MSPS, 12-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications $18.27 12 1 80MSPS
    AD9866 Bband CODEC 35 DC-40 Broadband Wireline, Home Networking Single(+3.3) 12-Bit DAC/80 MSPS 12-Bit ADC, Mixed-Signal Front-End for Broadband Modem Applications $18.77 12 1 80MSPS
    AD9861-50 Bband Quadrature CODEC 25 DC-40 Broadband Wireless Single(+3), Single(+3.3) Dual 10-Bit DAC/Dual 50 MSPS ADC Mixed-Signal Front-End (MxFE™) For Broadband Comms Apps $10.84 10 2 50MSPS
    AD9861-80 Bband Quadrature CODEC 40 DC-40 Broadband Wireless Single(+3), Single(+3.3) Dual 10-Bit DAC/Dual 80 MSPS ADC Mixed-Signal Front-End (MxFE™) For Broadband Comms Apps $10.84 10 2 80MSPS
    AD9862 Bband Quadrature CODEC 32 DC-100 Broadband Wireless Single(+3.3) Dual 14-Bit DAC/Dual 12-Bit ADC Mixed Sig Front-End (MxFE™) for Bband Comms, Rx&Tx PGA, Digital SSB $30.11 12 2 64MSPS
    AD9860 Bband Quadrature CODEC 32 DC-100 Broadband Wireless Single(+3.3) Dual 12-Bit DAC/Dual 10-Bit ADC Mixed Sig Front-End (MxFE™) for Bband Comms, Rx&Tx PGA, Digital SSB $13.90 10 2 64MSPS
    AD6600 IF-to-Bits Rx Subsys 5 to 10 70-250 Wireless Infrastructure Multi(+3.3, +5), Single(+5) 11-Bit, 1-Channel 20MSPS, or 2-Channel 10 MSPS Gain-Ranging ADC with RSSI $38.96 11 2 20MSPS
    AD9864 IF-to-Bits Rx Subsys 0.007 to 0.270 10-300 Narrowband Radio, Portable & Mobile Radio Single(+3), Single(+3.3) 24-Bit Bandpass Sigma-Delta ADC/IF Digitizing Subsystem $10.07 24 1 375kSPS
    AD9874 IF-to-Bits Rx Subsys 0.007 to 0.270 10-300 Narrowband Radio, Portable & Mobile Radio Single(+3), Single(+3.3) 24-Bit Bandpass Sigma-Delta ADC IF Digitizing Subsystem $15.14 24 1 541.5kSPS
    AD6650 IF-to-Bits Rx Subsys 3.5 70-300 Wireless Infrastructure Single(+3), Single(+3.3) 16/24-Bit, 1 MSPS, Diversity IF-to-Baseband GSM/EDGE Narrowband Receiver $20.64 24 2 1MSPS
    AD9969 Multi-Chan Bband CODEC 8 DC-70 Cable Modem/Set Top Box Single(+3.3) 3.3 V CMOS MxFE™ Mixed Signal Front End for broadband Set Top Box And Cable Modem applications $14.42 12 3 29MSPS
    AD9878 Multi-Chan Bband CODEC 8 DC-70 Cable Modem/Set Top Box Single(+3.3) Dual 12-Bit, 29 MSPS Direct IF ADC/12-Bit Direct IF DAC, Mixed-Signal Front-End for Broadband Apps $13.68 12 4 29MSPS
    AD9879 Multi-Chan Bband CODEC 8 DC-70 Cable Modem/Set Top Box Single(+3.3) 12-Bit Mixed-Signal Front-End for Set Top Box & Cable Modem Applications $12.12 12 5 29MSPS

    * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

    价格、封装以及购买

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    • 民用温度范围:0 ºC~+70 ºC
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