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MAX107
双路、6位、400Msps ADC,带有片上宽带输入放大器


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概述
完整的数据资料 (PDF, 1.4MB)
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The MAX107 is a dual, 6-bit, analog-to-digital converter (ADC) designed to allow fast and precise digitizing of in-phase (I) and quadrature (Q) baseband signals. The MAX107 converts the analog signals of both I and Q components to digital outputs at 400Msps while achieving a signal-to-noise ratio (SNR) of typically 37dB with an input frequency of 125MHz, and an integral nonlinearity (INL) and differential nonlinearity (DNL) of ±0.25 LSB. The MAX107 analog input preamplifiers feature a 400MHz, -0.5dB, and a 1.5GHz, -3dB analog input bandwidth. Matching channel-to-channel performance is typically 0.04dB gain, 0.1LSB offset, and 0.2 degrees phase. Dynamic performance is 36.7dB signal-to-noise plus distortion (SINAD) with a 125MHz analog input signal and a sampling speed of 400MHz. A fully differential comparator design and encoding circuits reduce out-of-sequence errors, and ensure excellent metastable performance of only one error per 1016 clock cycles.

In addition, the MAX107 provides LVDS digital outputs with an internal 6:12 demultiplexer that reduces the output data rate to one-half the sample clock rate. Data is output in two's complement format. The MAX107 operates from a +5V analog supply and the LVDS output ports operate at +3.3V. The data converter's typical power dissipation is 2.6W. The device is packaged in an 80-pin, TQFP package with exposed paddle, and is specified for the extended (-40°C to +85°C) temperature range. For a higher-speed, 800Msps version of the MAX107, please refer to the MAX105 data sheet.

关键特性   应用/使用
  • Two Matched 6-Bit, 400Msps ADCs
  • Excellent Dynamic Performance
    • 36.7dB SINAD at fIN ≈ 125MHz and
    • fCLK ≈ 400MHz
  • Typical INL and DNL: ±0.25LSB
  • Channel-to-Channel Phase Matching: ±0.2°
  • Channel-to-Channel Gain Matching: ±0.04dB
  • 6:12 Demultiplexer reduces the Data Rates to 200MHz
  • Low Error Rate: 1016 Metastable States at 400Msps
  • LVDS Digital Outputs in Two's Complement Format

 
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    Key Specifications:  High-Speed ADCs (> 5Msps)
    Part Number Input Chan. Resolution
    (bits)
    Sample Rate
    (Msps)
    AC Specs
    (MHz)
    SFDR
    (dBc)
    ENOB
    (bits)
    SINAD
    (dB)
    SNR
    (dB)
    THD
    (dB)
    INL
    (±LSB)
    DNL
    (±LSB)
    Full Pwr. BW
    (MHz)
    ICC
    (mA)
    Data Bus Interface Smallest Available Pckg.
    (mm2)
    Price
    max ≥ @ fIN min min min min min typ max w/pins See Notes
    MAX107  2 6 400 125 51 5.9 36.7 37 -49.5 0.2 0.25 400 650
    µP/8
    Demuxed
    LVPECL
    196 $29.25 @1k
    查看所有High-Speed ADCs (> 5Msps) (77)

    图表
    MAX107:原理框图
    原理框图

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    参考文献: 19-2007; Rev. 0; 2001-05-30
    本页最后一次更新: 2009-10-26


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