ZHCSN12B December   2020  – October 2022 ADC3681 , ADC3682 , ADC3683

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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 - ADC3681
    10. 6.10 Typical Characteristics - ADC3682
    11. 6.11 Typical Characteristics - ADC3683
  7. 7 Parameter Measurement Information
  8. 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 Scrambler
        3. 8.3.5.3 Output Bit Mapper
        4. 8.3.5.4 Output Interface/Mode Configuration
          1. 8.3.5.4.1 Configuration Example
        5. 8.3.5.5 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. 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
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 术语表
  11. 11Mechanical, Packaging, and Orderable Information

8.6 Register Map

Table 8-13 Register Map Summary
REGISTER
ADDRESS		REGISTER DATA
A[11:0]D7D6D5D4D3D2D1D0
0x000000000RESET
0x07OP IF MAPPER0OP IF ENOP IF SEL
0x0800PDN CLKBUFPDN REFAMP0PDN APDN BPDN GLOBAL
0x0900PDN FCLKOUTPDN DCLKOUTPDN DA1PDN DA0PDN DB1PDN DB0
0x0D0000MASK CLKBUFMASK REFAMPMASK BG DIS0
0x0ESYNC PIN ENSPI SYNCSPI SYNC EN0REF CTRLREF SELSE CLK EN
0x1100000DLL PDN0AZ EN
0x130000000E-FUSE LD
0x14CUSTOM PAT [7:0]
0x15CUSTOM PAT [15:8]
0x16TEST PAT BTEST PAT ACUSTOM PAT [17:16]
0x19FCLK SRC00FCLK DIV000TOG FCLK
0x1A0LVDS ½ SWING0 0 00 0 0
0x1BMAPPER EN20B ENBIT MAPPER RES000
0x1E0000LVDS DATA DELLVDS DCLK DEL
0x20FCLK PAT [7:0]
0x21FCLK PAT [15:8]
0x220SCR EN00FCLK PAT [19:16]
0x2400CH AVG ENDDC MUXDIG BYPDDC EN0
0x25DDC MUX ENDECIMATIONREAL OUT00MIX PHASE
0x26MIX GAIN AMIX RES AFS/4 MIX AMIX GAIN BMIX RES BFS/4 MIX B
0x27000OP ORDER AQ-DEL AFS/4 MIX PH A00
0x2ANCO A [7:0]
0x2BNCO A [15:8]
0x2CNCO A [23:16]
0x2DNCO A [31:24]
0x2E000OP ORDER BQ-DEL BFS/4 MIX PH B00
0x31NCO B [7:0]
0x32NCO B [15:8]
0x33NCO B [23:16]
0x34NCO B [31:24]
0x39..0x60 OUTPUT BIT MAPPER CHA
0x61..0x88 OUTPUT BIT MAPPER CHB
0x8F000000FORMAT A0
0x92000000FORMAT B0