JAJSFA9E November   2011  – April 2018 ADS5294

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
  3. 概要
    1.     ブロック概略図
  4. 改訂履歴
  5. 概要(続き)
  6. デバイス比較表
  7. Pin Configuration and Functions
    1.     Pin Functions
  8. Specifications
    1. 8.1  Absolute Maximum Ratings
    2. 8.2  ESD Ratings
    3. 8.3  Recommended Operating Conditions
    4. 8.4  Thermal Information
    5. 8.5  Electrical Characteristics Dynamic Performance
    6. 8.6  Digital Characteristics
    7. 8.7  Timing Requirements
    8. 8.8  LVDS Timing at Different Sampling Frequencies — 2-Wire Interface, 7x-Serialization, Digital Filter Disabled
    9. 8.9  LVDS Timing at Different Sampling Frequencies — 1-Wire Interface, 14x-Serialization, Digital Filter Disabled
    10. 8.10 Serial Interface Timing Requirements
    11. 8.11 Reset Timing
    12. 8.12 LVDS Timing at Different Sampling Frequencies — 1-Wire Interface, 14x-Serialization, Decimation by 2 Filter Enabled
    13. 8.13 LVDS Timing at Different Sampling Frequencies — 1-Wire Interface, 14x-Serialization, Decimation by 4 Filter Enabled
    14. 8.14 LVDS Timing at Different Sampling Frequencies — 1-Wire Interface, 14x-Serialization, Decimation by 8 Filter Enabled
    15. 8.15 Typical Characteristics
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Analog Input
      2. 9.3.2 Input Clock
      3. 9.3.3 Digital Highpass IIR Filter
      4. 9.3.4 Decimation Filter
      5. 9.3.5 Decimation Filter Equation
        1. 9.3.5.1 Pre-defined Coefficients
        2. 9.3.5.2 Custom Filter Coefficients
      6. 9.3.6 PLL Operation Versus LVDS Timing
        1. 9.3.6.1 Effect on Output Timings
    4. 9.4 Device Functional Modes
    5. 9.5 Programming
      1. 9.5.1 Serial Interface
        1. 9.5.1.1 Register Initialization
        2. 9.5.1.2 Serial Register Readout
        3. 9.5.1.3 Default States After Reset
    6. 9.6 Register Maps
      1. 9.6.1 Description Of Serial Registers
        1. 9.6.1.1  Power-Down Modes
          1. Table 1. Power-Down Mode Register
        2. 9.6.1.2  Low Frequency Noise Suppression Mode
          1. Table 2. Low Frequency Noise Suppression Mode Register
        3. 9.6.1.3  Analog Input Invert
          1. Table 3. Analog Input Invert Register
        4. 9.6.1.4  LVDS Test Patterns
          1. Table 4. LVDS Test Patterns
        5. 9.6.1.5  Bit-Byte-Word Wise Output
          1. Table 5. Bit-Byte-Word Wise Output
        6. 9.6.1.6  Digital Processing Blocks
        7. 9.6.1.7  Programmable Digital Gain
          1. Table 6. Programmable Digital Gain
        8. 9.6.1.8  Channel Averaging
          1. Table 7. Channel Averaging
        9. 9.6.1.9  Decimation Filter
          1. Table 8. Decimation Filter
        10. 9.6.1.10 Highpass Filter
          1. Table 9. Highpass Filter
        11. 9.6.1.11 Bit-Clock Programmability
          1. Table 10. Bit-Clock Programmability
        12. 9.6.1.12 Output Data Rate Control
          1. Table 11. Output Data Rate Control
        13. 9.6.1.13 Synchronization Pulse
          1. Table 12. Synchronization Pulse
        14. 9.6.1.14 External Reference Mode of Operation
        15. 9.6.1.15 Data Output Format Modes
          1. Table 13. Data Output Format Modes
        16. 9.6.1.16 Programmable Mapping Between Input Channels and Output Pins
          1. Table 14. Mapping Between Input Channels and Output Pins
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Large and Small Signal Input Bandwidth
        2. 10.2.2.2 Drive Circuit
        3. 10.2.2.3 Clock Selection
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 デバイス・サポート
      1. 13.1.1 デバイスの項目表記
        1. 13.1.1.1 仕様の定義
    2. 13.2 ドキュメントのサポート
      1. 13.2.1 関連資料
    3. 13.3 コミュニティ・リソース
    4. 13.4 商標
    5. 13.5 静電気放電に関する注意事項
    6. 13.6 Glossary
  14. 14メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

Typical Characteristics

Typical values are at 25°C, AVDD = 1.8 V, LVDD = 1.8 V, 50% clock duty cycle, –1-dBFS differential analog input, 14 Bit/ 80 MSPS, ADC is configured in the internal reference mode, unless otherwise noted.
ADS5294 FFT_80_5.pngFigure 8. FFT for 5-MHz Input Signal, Sample Rate = 80 MSPS
ADS5294 FFT_80_65.pngFigure 10. FFT for 65-MHz Input Signal, Sample Rate = 80 MSPS
ADS5294 FFT_40_15.pngFigure 12. FFT for 15-MHz Input Signal, Sample Rate = 40 MSPS
ADS5294 SNR_PLOT_las776.pngFigure 14. Signal-To-Noise Ratio vs Input Signal Frequency
ADS5294 d_gain_snr.pngFigure 16. SNR vs Digital Gain
ADS5294 performance_across_ain.pngFigure 18. Performance vs Input Amplitude
ADS5294 Sweep_of_duty_cycle.pngFigure 20. Performance vs Input Clock Duty CyclePerformance vs Input Clock Duty Cycle
ADS5294 SNR_Across_AVDD_and_Temp_las776.pngFigure 22. Signal-To-Noise Ratio vs Temperature
ADS5294 cross_talk_plot.pngFigure 24. Crosstalk vs Frequency
ADS5294 INL.pngFigure 26. Integral Non-Linearity
ADS5294 Histo2.gifFigure 28. Histogram of Output Code With Analog Inputs Shorted (RMS Noise = 96.4 uV) a note "RMS Noise = 96.4 uV" to Figure 28
ADS5294 PSRR_Across_Freq_las776.pngFigure 30. Power-Supply Rejection Ratio vs Frequency
ADS5294 decimateby4.pngFigure 32. Filter Response, Decimate by 4
ADS5294 Aver_FFT_80MSPS_5MHz_Ch3_4.pngFigure 34. FFT for 5-MHz Input Signal, Sample Rate = 80 MSPS by Averaging 2 Channels
ADS5294 HPF_Response_plot.pngFigure 36. FFT with HPF Enabled and Disabled, No Signal
ADS5294 zoomed_near_DC.pngFigure 38. FFT (0 to 1 MHz) for 5-MHz Input Signal, Sample Rate = 80 MSPS with Low Frequency Noise Suppression Enabled
ADS5294 analog_power450_las776.pngFigure 40. Power Consumption on Analog Supply
ADS5294 ana_power450_las776.pngFigure 42. Supply Current on Analog Supply
ADS5294 FFT_80_15.pngFigure 9. FFT for 15-MHz Input Signal, Sample Rate = 80 MSPS
ADS5294 FFT_40_5.pngFigure 11. FFT for 5-MHz Input Signal, Sample Rate = 40 MSPS
ADS5294 IMD_Spectrum_las776.pngFigure 13. Two-Tone Intermodulation
ADS5294 SFDR_PLOT_las776.pngFigure 15. Spurious-Free Dynamic Range vs Input Signal Frequency
ADS5294 d_gain_sfdr.pngFigure 17. SFDR vs Digital Gain
ADS5294 CLK_Amplitude_Sweep.pngFigure 19. Performance vs Clock Input Amplitudes
ADS5294 Across_VCM.pngFigure 21. Performance vs Input VCM
ADS5294 SFDR_Across_AVDD_and_Temp_las776.pngFigure 23. Spurious-Free Dynamic Range vs Temperature
ADS5294 Phase_Noise_Plot.pngFigure 25. Phase Noise for 5-MHz Input Signal, Sample Rate = 80 MSPS
ADS5294 dnl.pngFigure 27. Differential Non-Linearity
ADS5294 CMRR_Across_Freq_las776.pngFigure 29. Common Mode Rejection Ratio vs Frequency
ADS5294 Decimateby2.pngFigure 31. Filter Response, Decimate by 2
ADS5294 Decm_2_FFT_80MSPS_5MHz_Ch3_4.pngFigure 33. FFT for 5-MHz Input Signal, Sample Rate = 80 MSPS with Decimation Filter = 2
ADS5294 HPF_response.pngFigure 35. Digital High-Pass Filter Response
ADS5294 Spectrum_LF_noise_enabled.pngFigure 37. FFT (Full-Band) for 5-MHz Input Signal, Sample Rate = 80 MSPS with Low Frequency Noise Suppression Enabled
ADS5294 zoomed_near_FSby2.pngFigure 39. FFT (39 MHz to 40 MHz) for 5-MHz Input Signal, Sample Rate = 80 MSPS with Low Frequency Noise Suppression Enabled
ADS5294 Digital_power.pngFigure 41. Power Consumption on Digital Supply
ADS5294 Digital2_power.pngFigure 43. Supply Current on Digital Supply