SBAS872 December   2020 ADC3683

PRODMIX  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics - Power Consumption
    6. 6.6 Electrical Characteristics - DC Specifications
    7. 6.7 Electrical Characteristics - AC Specifications
    8. 6.8 Timing Requirements
    9. 6.9 Typical Characteristics - ADC3683
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Analog Input
        1. 8.3.1.1 Analog Input Bandwidth
        2. 8.3.1.2 Analog Front End Design
          1. 8.3.1.2.1 Sampling Glitch Filter Design
          2. 8.3.1.2.2 Analog Input Termination and DC Bias
            1. 8.3.1.2.2.1 AC-Coupling
            2. 8.3.1.2.2.2 DC-Coupling
        3. 8.3.1.3 Auto-Zero Feature
      2. 8.3.2 Clock Input
        1. 8.3.2.1 Single Ended vs Differential Clock Input
        2. 8.3.2.2 Signal Acquisition Time Adjust
      3. 8.3.3 Voltage Reference
        1. 8.3.3.1 Internal voltage reference
        2. 8.3.3.2 External voltage reference (VREF)
        3. 8.3.3.3 External voltage reference with internal buffer (REFBUF)
      4. 8.3.4 Digital Down Converter
        1. 8.3.4.1 DDC MUX
        2. 8.3.4.2 Digital Filter Operation
        3. 8.3.4.3 FS/4 Mixing with Real Output
        4. 8.3.4.4 Numerically Controlled Oscillator (NCO) and Digital Mixer
        5. 8.3.4.5 Decimation Filter
        6. 8.3.4.6 SYNC
        7. 8.3.4.7 Output Formatting with Decimation
      5. 8.3.5 Digital Interface
        1. 8.3.5.1 Output Formatter
        2. 8.3.5.2 Output Interface/Mode Configuration
          1. 8.3.5.2.1 Configuration Example
        3. 8.3.5.3 Output Data Format
      6. 8.3.6 Test Pattern
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation
      2. 8.4.2 Power Down Options
      3. 8.4.3 Digital Channel Averaging
    5. 8.5 Programming
      1. 8.5.1 Configuration using PINs only
      2. 8.5.2 Configuration using the SPI interface
        1. 8.5.2.1 Register Write
        2. 8.5.2.2 Register Read
    6. 8.6 Register Map
      1. 8.6.1 Detailed Register Description
  9. Application Information Disclaimer
    1. 9.1 Typical Application
      1. 9.1.1 Design Requirements
      2. 9.1.2 Detailed Design Procedure
        1. 9.1.2.1 Input Signal Path
        2. 9.1.2.2 Sampling Clock
        3. 9.1.2.3 Voltage Reference
      3. 9.1.3 Application Curves
    2. 9.2 Initialization Set Up
      1. 9.2.1 Register Initialization During Operation
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Support Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics - ADC3683

Typical values at TA = 25 °C, ADC sampling rate = 65 MSPS, AIN = –1 dBFS differential input, AVDD = IOVDD = 1.8 V, external 1.6 V voltage reference, unless otherwise noted.

GUID-20201119-CA0I-PD2L-WZP1-9LFRFKLJNKX6-low.svg
SNR = 84.2 dBFS, SFDR = 81 dBc, Non HD23 = 101 dBFS
Figure 6-1 Single Tone FFT at FIN = 1 MHz
GUID-20201119-CA0I-VQ1R-SFB6-G3W2JQT1JVT7-low.svg
AIN = -20 dBFS, SNR = 84.8 dBFS, SFDR = 81 dBc, Non HD23 = 103 dBFS
Figure 6-3 Single Tone FFT at FIN = 5 MHz
GUID-20201119-CA0I-VSVZ-CXWR-KDHXHMSNFQBD-low.svg
SNR = 81.1 dBFS, SFDR = 84 dBc, Non HD23 = 95 dBFS
Figure 6-5 Single Tone FFT at FIN = 40 MHz
GUID-20201208-CA0I-FZQT-KVMT-RTXFMGC3TQJ8-low.svg
SNR = 75.1 dBFS, SFDR = 75 dBc, Non HD23 = 93 dBFS
Figure 6-7 Single Tone FFT at FIN = 100 MHz
GUID-20201120-CA0I-2GVL-MM3L-PTLZ4Q4S8XDQ-low.svg
AIN = -20 dBFS/tone, IMD3 = 95 dBc
Figure 6-9 Two Tone FFT at FIN = 10/12 MHz
GUID-20201119-CA0I-3PLH-CND1-SBHVXJJDSS8Z-low.svgFigure 6-11 AC Performance vs Input Frequency
GUID-20201119-CA0I-Q02Z-0CQJ-LVRJZ3ZCKDCP-low.svg
FIN = 5 MHz
Figure 6-13 AC Performance vs Input Amplitude
GUID-20201119-CA0I-42M6-BVBC-4GDGZNJNPXJ5-low.svg
Figure 6-15 AC Performance vs Clock Amplitude
GUID-20201119-CA0I-K1JG-3S0V-7L8MQJ9D4WJW-low.svg
FIN = 5 MHz
Figure 6-17 AC Performance vs AVDD
GUID-20201119-CA0I-VPSJ-8Q3M-HCT745HSJP4N-low.svg
FIN = 5 MHz
Figure 6-19 AC Performance vs Clock Duty Cycle
GUID-20201119-CA0I-LZ02-42VS-SNHV6TFZH5CW-low.svg
FIN = 5 MHz
Figure 6-21 INL vs Code
GUID-20201125-CA0I-168B-FNLM-MCTH8Q7LQPPF-low.svgFigure 6-23 DC Offset Histogram
GUID-20201119-CA0I-SWH1-MFBJ-QBXX9BCR5RJX-low.svg
FIN = 5 MHz, DDC Bypass
Figure 6-25 Current vs Sampling Rate
GUID-20201119-CA0I-D1XL-LTC4-DZ0JVP7RR4Q3-low.svg
FIN = 5 MHz, Complex Decimation by 32
Figure 6-27 IIOVDD Current vs Output Interface
GUID-20201119-CA0I-ZBHS-BZH1-SPDWQPFJHGPX-low.svg
SNR = 83.8 dBFS, SFDR = 89 dBc, Non HD23 = 99 dBFS
Figure 6-2 Single Tone FFT at FIN = 5 MHz
GUID-20201119-CA0I-NCKR-FCVN-3LBGNGCPDLK8-low.svg
SNR = 83.8 dBFS, SFDR = 92 dBc, Non HD23 = 98 dBFS
Figure 6-4 Single Tone FFT at FIN = 10 MHz
GUID-20201119-CA0I-ZX0G-5HJP-RLVQWN34TDGJ-low.svg
SNR = 77.3 dBFS, SFDR = 86 dBc, Non HD23 = 92 dBFS
Figure 6-6 Single Tone FFT at FIN = 64 MHz
GUID-20201120-CA0I-MCDW-2TWB-BQGFZNRPHLW7-low.svg
AIN = -7 dBFS/tone, IMD3 = 88 dBc
Figure 6-8 Two Tone FFT at FIN = 10/12 MHz
GUID-20201208-CA0I-XFQG-VNHK-SGX12GJXHWSN-low.svg
AIN = -7 dBFS/tone, IMD3 = 83 dBc
Figure 6-10 Two Tone FFT at FIN = 40/45 MHz
GUID-20201120-CA0I-9K83-9GTH-C5QG9HRFP7VQ-low.svgFigure 6-12 ENOB vs Input Frequency
GUID-20201119-CA0I-B9XS-XRRH-NJ0XNGQDHTFM-low.svg
FIN = 5 MHz
Figure 6-14 AC Performance vs Sampling Rate
GUID-20201217-CA0I-WSNX-X6BT-FKDFFDKF1FZG-low.svg
Single ended clock input
Figure 6-16 AC Performance vs Clock Amplitude
GUID-20201119-CA0I-NKDW-3KCP-JRKJBJW6T5Q0-low.svg
FIN = 5 MHz
Figure 6-18 AC Performance vs VCM vs Temperature
GUID-20201208-CA0I-CXLP-7CDR-CMJFW7WLL1TT-low.svgFigure 6-20 Isolation vs Input Frequency
GUID-20201119-CA0I-9QH3-DPDT-NQZJSJBBMTQ4-low.svg
FIN = 5 MHz
Figure 6-22 DNL vs Code
GUID-20201208-CA0I-4XNK-SDTZ-N6W58NFWN5S1-low.svg
FIN = 1 MHz
Figure 6-24 Pulse Response
GUID-20201119-CA0I-CRTC-M9VK-HFLZJVCD4R29-low.svg
FIN = 5 MHz, 2-wire
Figure 6-26 IIOVDD Current vs Decimation