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ADS7057 14 位，2.5 MSPS，差分输入，小型低功耗 SAR ADC
ZHCSH51
December 2017
ADS7057
PRODUCTION DATA.
CONTENTS
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ADS7057 14 位，2.5 MSPS，差分输入，小型低功耗 SAR ADC
1
特性
2
应用
3
说明
4
修订历史记录
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
7.1
Digital Voltage Levels
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Product Family
8.3.2
Analog Input
8.3.3
Reference
8.3.4
ADC Transfer Function
8.4
Device Functional Modes
8.4.1
ACQ State
8.4.2
CNV State
8.4.3
OFFCAL State
8.4.3.1
Offset Calibration on Power-Up
8.4.3.2
Offset Calibration During Normal Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
2-Channel, Simultaneous Sampling Data Acquisition Using the ADS7057
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Low Distortion Charge Kickback Filter Design
9.2.1.2.2
Input Amplifier Selection
9.2.1.2.3
Reference Circuit
9.2.1.3
Application Curves
9.2.2
Improving Precision of Single-Ended Signal Source Measurements Using the ADS7057
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
10
Power Supply Recommendations
10.1
AVDD and DVDD Supply Recommendations
10.2
Optimizing Power Consumed by the Device
10.2.1
Estimating Digital Power Consumption
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
开发支持
12.2
文档支持
12.2.1
相关文档
12.3
接收文档更新通知
12.4
社区资源
12.5
商标
12.6
静电放电警告
12.7
Glossary
13
机械、封装和可订购信息
重要声明
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