ZHCSQN6 May   2022 ADC3644

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
  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 Single Ended Input
          3. 8.3.1.2.3 Analog Input Termination and DC Bias
            1. 8.3.1.2.3.1 AC-Coupling
            2. 8.3.1.2.3.2 DC-Coupling
      2. 8.3.2 Clock Input
        1. 8.3.2.1 Clock Amplitude
        2. 8.3.2.2 Single Ended vs Differential Clock Input
      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
          1. 8.3.4.7.1 Parallel CMOS
          2. 8.3.4.7.2 Serialized CMOS Interface
      5. 8.3.5 Digital Interface
        1. 8.3.5.1 Parallel CMOS Output
        2. 8.3.5.2 Serialized CMOS output
          1. 8.3.5.2.1 SDR Output Clocking
        3. 8.3.5.3 Output Data Format
        4. 8.3.5.4 Output Formatter
        5. 8.3.5.5 Output Bit Mapper
        6. 8.3.5.6 Output Interface or Mode Configuration
          1. 8.3.5.6.1 Configuration Example
      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
    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 Maps
      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 Device Support (Optional)
      1. 10.1.1 Development Support (Optional)
      2. 10.1.2 Device Nomenclature (Optional)
    2. 10.2 Documentation Support (if applicable)
      1. 10.2.1 Related Documentation
    3. 10.3 接收文档更新通知
    4. 10.4 支持资源
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

5 Pin Configuration and Functions

Figure 5-1 RSB Package,40-Pin WQFN,Top View
Table 5-1 Pin Functions
PINI/ODESCRIPTION
NAMENO.
INPUT/REFERENCE
AINM13INegative analog input, channel A
AINP12IPositive analog input, channel A
BINP39IPositive analog input, channel B
BINM38INegative analog input, channel B
REFBUF4I1.2 V external voltage reference input for use with internal reference buffer. Internal 100 kΩ pull-up resistor to AVDD. This pin is also used to configure default operating conditions.
REFGND3IReference ground input, 0 V
VCM8OCommon-mode voltage output for the analog inputs, 0.95 V.
VREF2IExternal voltage reference input, 1.6 V
CLOCK
CLKM7INegative differential sampling clock input for the ADC
CLKP6IPositive differential sampling clock input for the ADC
CONFIGURATION
PDN/SYNC1IPower down/Synchronization input. This pin can be configured via the SPI interface. Active high. This pin has an internal 21 kΩ pull-down resistor.
RESET9IHardware reset. Active high. This pin has an internal 21 kΩ pull-down resistor.
SCLK35ISerial interface clock input. This pin has an internal 21 kΩ pull-down resistor.
SDIO10ISerial interface data input and output. This pin has an internal 21 kΩ pull-down resistor.
SEN16ISerial interface enable. Active low. This pin has an internal 21 kΩ pull-up resistor to AVDD.
DIGITAL INTERFACE
DA017OCMOS digital data output.
DA118I/OCMOS digital data output. Used as FCLK frame clock output for serialized CMOS output modes. Configured using SPI.
DA219OCMOS digital data output.
DA320OCMOS digital data output.
DA422OCMOS digital data output.
DA523OCMOS digital data output.
DA624OCMOS digital data output.
DB034OCMOS digital data output.
DB133I/OCMOS digital data output. Used as DCLKIN bit clock input for serialized CMOS output modes. Configured using SPI.
DB232OCMOS digital data output.
DB331OCMOS digital data output.
DB429OCMOS digital data output.
DB528OCMOS digital data output.
DB627OCMOS digital data output.
DCLK25OCMOS output for data bit clock.
POWER SUPPLY
AVDD5,15,36IAnalog 1.8-V power supply
GND11,14,37,40, PowerPAD™IGround, 0 V
IOGND26IGround, 0 V for digital interface
IOVDD21,30I1.8-V power supply for digital interface
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