Table of Contents
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Device Comparison......................................................... 4
6 Pin Configuration and Functions...................................4
7 Specifications.................................................................. 5
7.1 Absolute Maximum Ratings........................................ 5
7.2 ESD Ratings............................................................... 5
7.3 Recommended Operating Conditions.........................6
7.4 Thermal Information....................................................6
7.5 Electrical Characteristics.............................................7
7.6 Timing Requirements: Serial Interface......................10
7.7 Switching Characteristics: Serial Interface................10
7.8 Timing Diagrams....................................................... 10
7.9 Typical Characteristics.............................................. 12
8 Parameter Measurement Information.......................... 23
8.1 Offset Temperature Drift Measurement.....................23
8.2 Gain Temperature Drift Measurement.......................23
8.3 Common-Mode Rejection Ratio Measurement.........23
8.4 Power-Supply Rejection Ratio Measurement........... 24
8.5 Crosstalk Measurement (ADS1263)......................... 24
8.6 Reference-Voltage Temperature-Drift
Measurement.............................................................. 24
8.7 Reference-Voltage Thermal-Hysteresis
Measurement.............................................................. 24
8.8 Noise Performance................................................... 25
9 Detailed Description......................................................30
9.1 Overview................................................................... 30
9.2 Functional Block Diagram......................................... 31
9.3 Feature Description...................................................32
9.4 Device Functional Modes..........................................62
9.5 Programming............................................................ 86
9.6 Register Maps...........................................................89
10 Application and Implementation.............................. 107
10.1 Application Information......................................... 108
10.2 Typical Application................................................ 115
10.3 What To Do and What Not To Do..........................120
10.4 Initialization Setup.................................................121
11 Power Supply Recommendations............................123
11.1 Power-Supply Decoupling.....................................123
11.2 Analog Power-Supply Clamp................................ 124
11.3 Power-Supply Sequencing....................................124
12 Layout.........................................................................124
12.1 Layout Guidelines................................................. 124
12.2 Layout Example.................................................... 126
13 Device and Documentation Support........................127
13.1 接收文档更新通知................................................. 127
13.2 支持资源................................................................127
13.3 Trademarks........................................................... 127
13.4 Electrostatic Discharge Caution............................127
13.5 Glossary................................................................127
4 Revision History
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision B (July 2015) to Revision C (May 2021) Page
•
更新了整个文档中的表格、图和交叉参考的编号格式
........................................................................................ 1
• 添加了指向
应用
部分的链接................................................................................................................................1
• Changed Functional Block Diagram to correct XTAL1/CLKIN pin name.......................................................... 31
• Added discussion to Internal Reference section regarding 10 μF (max) REFOUT capacitor ability to
decrease reference noise................................................................................................................................. 42
• Changed IDAC Block Diagram and text to include 2500 μA setting............................................................... 50
• Added last paragraph to Pulse Conversion Mode section to explain operation in chop mode.........................63
• Changed EBh to AFh in the example checksum computation in the Checksum Mode section....................... 73
• Changed text in GPIO Data Register section regarding GPIO data read when programmed as an output... 104
• Changed calculation of V
REFMIN
to use gain = 8 in Detailed Design Procedure application section...............116
• Changed title of What To Do and What Not To Do from Do's and Don'ts ......................................................120
Changes from Revision A (May 2015) to Revision B (July 2015) Page
• 将 ADS1263 从产品预发布更改为量产数据，并在整个数据表中添加了 ADS1263 和 ADC2 的文本和规格.......1
• 更改了整个数据表中的文本，使之更加清晰....................................................................................................... 1
• Added condition line to Absolute Maximum Ratings table..................................................................................5
• Added Crosstalk section to Electrical Characteristics table................................................................................7
• Added 图 7-32 ..................................................................................................................................................12
• Added 图 7-36 ..................................................................................................................................................12
• Changed legend in 图 7-45 ..............................................................................................................................12
ADS1262, ADS1263
ZHCSDN4C – FEBRUARY 2015 – REVISED MAY 2021
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