ZHCSH51 December   2017 ADS7057

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  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
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Digital Voltage Levels
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Product Family
      2. 8.3.2 Analog Input
      3. 8.3.3 Reference
      4. 8.3.4 ADC Transfer Function
    4. 8.4 Device Functional Modes
      1. 8.4.1 ACQ State
      2. 8.4.2 CNV State
      3. 8.4.3 OFFCAL State
        1. 8.4.3.1 Offset Calibration on Power-Up
        2. 8.4.3.2 Offset Calibration During Normal Operation
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 2-Channel, Simultaneous Sampling Data Acquisition Using the ADS7057
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Low Distortion Charge Kickback Filter Design
          2. 9.2.1.2.2 Input Amplifier Selection
          3. 9.2.1.2.3 Reference Circuit
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Improving Precision of Single-Ended Signal Source Measurements Using the ADS7057
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
        3. 9.2.2.3 Application Curve
  10. 10Power Supply Recommendations
    1. 10.1 AVDD and DVDD Supply Recommendations
    2. 10.2 Optimizing Power Consumed by the Device
      1. 10.2.1 Estimating Digital Power Consumption
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 开发支持
    2. 12.2 文档支持
      1. 12.2.1 相关文档
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

RUG Package
8-Pin X2QFN
Top View

Pin Functions

PIN I/O DESCRIPTION
NO. NAME
1 CS Digital input Chip-select signal, active low
2 SDO Digital output Serial data out
3 SCLK Digital input Serial clock
4 DVDD Supply Digital I/O supply voltage
5 GND Supply Ground for power supply, all analog and digital signals are referred to this pin
6 AVDD Supply Analog power-supply input, also provides the reference voltage to the ADC
7 AINP Analog input Analog signal input, positive
8 AINM Analog input Analog signal input, negative