ZHCSR25 August   2022 ADC3564

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 Analog Input Termination and DC Bias
            1. 8.3.1.2.2.1 AC-Coupling
            2. 8.3.1.2.2.2 DC-Coupling
      2. 8.3.2 Clock Input
        1. 8.3.2.1 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 for Dual Band Decimation
        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 Interface/Mode Configuration
          1. 8.3.5.3.1 Configuration Example
        4. 8.3.5.4 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
    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
    2. 10.2 Documentation Support
      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 商标
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 术语表
  11. 11Mechanical, Packaging, and Orderable Information

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6.9 Typical Characteristics

Typical values at TA = 25 °C, ADC sampling rate = 125 MSPS, AIN = –1 dBFS differential input, AVDD = IOVDD = 1.8 V, external voltage reference, unless otherwise noted.

SNR = 77.0 dBFS
Figure 6-1 Single Tone FFT at FIN = 5 MHz
AIN = -20 dBFS, SNR = 78.5 dBFS
Figure 6-3 Single Tone FFT at FIN = 10 MHz
SNR = 75.2 dBFS
Figure 6-5 Single Tone FFT at FIN = 70 MHz
SNR = 74.0 dBFS
Figure 6-7 Single Tone FFT at FIN = 100 MHz
AIN= -20 dBFS/tone
Figure 6-9 Two Tone FFT at FIN = 10/12 MHz
AIN = -1 dBFS
Figure 6-11 ENOB vs Input Frequency
FIN = 5 MHz
Figure 6-13 AC Performance vs Sampling Rate
FIN = 5 MHz
Figure 6-15 AC Performance vs AVDD
FIN = 5 MHz
Figure 6-17 INL vs Code
GUID-AA53AA44-C1CA-4938-A5AD-72EB6987AB41-low.gif
Internal vs external reference, inputs shorted to VCM
Figure 6-19 DC Histogram
FIN = 5 MHz
Figure 6-21 Current vs Sampling Rate
FIN = 5 MHz
Figure 6-23 Current vs Interface
SNR = 77.5 dBFS
Figure 6-2 Single Tone FFT at FIN = 10 MHz
SNR = 76.5 dBFS
Figure 6-4 Single Tone FFT at FIN = 40 MHz
AIN = -20 dBFS, SNR = 77.0 dBFS
Figure 6-6 Single Tone FFT at FIN = 70 MHz
AIN= -7 dBFS/tone
Figure 6-8 Two Tone FFT at FIN = 10/12 MHz
Figure 6-10 AC Performance vs Input Frequency
FIN = 5 MHz
Figure 6-12 AC Performance vs Input Amplitude
GUID-30F7F5FB-9E91-4C67-A8A7-EA79460AAC8E-low.gif
AIN = -1 dBFS
Figure 6-14 SNR vs Clock Amplitude
FIN = 5 MHz
Figure 6-16 AC Performance vs VCM vs Temperature
FIN = 5 MHz
Figure 6-18 DNL vs Code
Pulse Input = 1 MHz
Figure 6-20 Pulse Response
FIN = 5 MHz
Figure 6-22 Current vs Decimation