ADS131B04-Q1
ZHCSMK3B –NOVEMBER 2020 –REVISED NOVEMBER 2021
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Table of Contents
8.5 Programming............................................................ 27
8.6 Register Map.............................................................38
9 Application and Implementation..................................61
9.1 Application Information............................................. 61
9.2 Typical Application.................................................... 64
10 Power Supply Recommendations..............................67
10.1 CAP Pin Capacitor Requirement............................ 67
10.2 Power-Supply Sequencing......................................67
10.3 Power-Supply Decoupling.......................................67
11 Layout...........................................................................67
11.1 Layout Guidelines................................................... 67
11.2 Layout Example...................................................... 68
12 Device and Documentation Support..........................69
12.1 Documentation Support.......................................... 69
12.2 Receiving Notification of Documentation Updates..69
12.3 支持资源..................................................................69
12.4 Trademarks.............................................................69
12.5 Electrostatic Discharge Caution..............................69
12.6 术语表..................................................................... 69
13 Mechanical, Packaging, and Orderable
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................3
6 Specifications.................................................................. 4
6.1 Absolute Maximum Ratings........................................ 4
6.2 ESD Ratings............................................................... 4
6.3 Recommended Operating Conditions.........................5
6.4 Thermal Information....................................................5
6.5 Electrical Characteristics.............................................6
6.6 Timing Requirements..................................................8
6.7 Switching Characteristics............................................8
6.8 Timing Diagrams.........................................................9
6.9 Typical Characteristics..............................................10
7 Parameter Measurement Information..........................12
7.1 Noise Measurements................................................12
8 Detailed Description......................................................13
8.1 Overview...................................................................13
8.2 Functional Block Diagram.........................................13
8.3 Feature Description...................................................14
8.4 Device Functional Modes..........................................23
Information.................................................................... 69
4 Revision History
Changes from January 6, 2021 to November 5, 2021 (from Revision A (January 2021) to
Revision B (November 2021))
Page
• 将提到SPI 的旧术语实例全局更改为控制器和外设............................................................................................1
• 向应用部分添加了直流电子计量和储能系统(ESS) ..........................................................................................1
• Changed numbering of analog inputs in Description column of Pin Functions table..........................................3
• Changed footnote in Absolute Maximum Ratings table......................................................................................4
• Added offset error long-term drift, gain error long-term drift, and oscillator frequency long-term drift
parameters to Electrical Characteristics table.................................................................................................... 6
• Added MIN and MAX specifications for internal oscillator frequency accuracy parameter to Electrical
Characteristics table........................................................................................................................................... 6
• Added Gain Error Long-Term Drift and Oscillator Frequency Error vs Temperature graphs to Typical
Characteristics section......................................................................................................................................10
• Added information about the CRC seed value to the Register Map CRC section............................................22
• Added SPI frame diagrams to SPI Communication Words section..................................................................29
• Added information about CRC seed value and bits covered by the CRC within a frame to the Communication
Cyclic Redundancy Check (CRC) section........................................................................................................ 31
• Added SPI Timeout section.............................................................................................................................. 31
• Changed bit field description for OSR[2:0] = 111b in the CLOCK register........................................................38
• Added SYNC/RESET pin to ADS131B04-Q1 in a Typical Battery Management System Application figure....64
Changes from Revision * (November 2020) to Revision A (January 2021)
Page
• 将器件状态从“预告信息（预发布）”更改为“量产数据（正在供货）”.........................................................1
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