ZHCSNC4B February   2021  – September 2022 ADC3661 , ADC3662 , ADC3663

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 - ADC3661
    10. 6.10 Typical Characteristics - ADC3662
    11. 6.11 Typical Characteristics - ADC3663
  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 Bit Mapper
        3. 8.3.5.3 Output Scrambler
        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

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6.5 Electrical Characteristics - Power Consumption

Typical values are over the operating free-air temperature range, at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 105°C, ADC sampling rate = 65 MSPS, 50% clock duty cycle, AVDD = IOVDD = 1.8 V, external 1.6 V reference, and –1-dBFS differential input, unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ADC3661: 10 MSPS
IAVDD Analog supply current External reference 30 42 mA
IIOVDD I/O supply current SLVDS 1-wire 29 45
PDIS Power dissipation External reference, SLVDS 1-wire 106 mW
IIOVDD I/O supply current 1-wire, 1/2-swing 21 mA
2-wire 36
1/2-wire 26
4x real decimation, 1-wire 30
4x real decimation, 1/2-wire 26
ADC3662: 25 MSPS
IAVDD Analog supply current External reference 34 42 mA
IIOVDD I/O supply current 1-wire 31 45
PDIS Power dissipation External reference, 1-wire 117 mW
IIOVDD I/O supply current 1-wire, 1/2-swing 22 mA
2-wire 36
1/2-wire 26
4x real decimation, 1-wire 30
4x real decimation, 1/2-wire 26
ADC3663: 65 MSPS
IAVDD Analog supply current External reference 63 82 mA
IIOVDD I/O supply current 2-wire 41 57
PDIS Power dissipation External reference, 2-wire 187 250 mW
IIOVDD I/O supply current 2-wire, 1/2-swing 30 mA
4x real decimation, 1-wire 39
4x real decimation, 1/2-wire 36
16x real decimation, 1-wire 37
16x real decimation, 1/2-wire 33
4x complex decimation, 1-wire 44
16x complex decimation, 1-wire 40
16x complex decimation, 1/2-wire 36
MISCELLANOUS
IAVDD Internal reference, additional analog supply current 1 mA
External 1.2 V reference (REFBUF), additional analog supply current 0.3
Single ended clock input, reduces analog supply current by Enabled via SPI 0.7
PDIS Power consumption in global power down mode Default mask settings, internal reference 5 mW
Default mask settings, external reference 9
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