ZHCS890B
May 2012 – March 2016
INA3221
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Basic ADC Functions
8.3.2
Alert Monitoring
8.3.2.1
Critical Alert
8.3.2.1.1
Summation Control Function
8.3.2.2
Warning Alert
8.3.2.3
Power-Valid Alert
8.3.2.4
Timing-Control Alert
8.3.2.5
Default Settings
8.3.3
Software Reset
8.4
Device Functional Modes
8.4.1
Averaging Function
8.4.2
Multiple Channel Monitoring
8.4.2.1
Channel Configuration
8.4.2.2
Averaging and Conversion-Time Considerations
8.4.3
Filtering and Input Considerations
8.5
Programming
8.5.1
Bus Overview
8.5.1.1
Serial Bus Address
8.5.1.2
Serial Interface
8.5.2
Writing To and Reading From the INA3221
8.5.2.1
High-Speed I2C Mode
8.5.3
SMBus Alert Response
8.6
Register Maps
8.6.1
Summary of Register Set
8.6.2
Register Descriptions
8.6.2.1
Configuration Register (address = 00h) [reset = 7127h]
8.6.2.2
Channel-1 Shunt-Voltage Register (address = 01h), [reset = 00h]
8.6.2.3
Channel-1 Bus-Voltage Register (address = 02h) [reset = 00h]
8.6.2.4
Channel-2 Shunt-Voltage Register (address = 03h) [reset = 00h]
8.6.2.5
Channel-2 Bus-Voltage Register (address = 04h) [reset = 00h]
8.6.2.6
Channel-3 Shunt-Voltage Register (address = 05h) [reset = 00h]
8.6.2.7
Channel-3 Bus-Voltage Register (address = 06h) [reset = 00h]
8.6.2.8
Channel-1 Critical-Alert Limit Register (address = 07h) [reset = 7FF8h]
8.6.2.9
Warning-Alert Channel-1 Limit Register (address = 08h) [reset = 7FF8h]
8.6.2.10
Channel-2 Critical-Alert Limit Register (address = 09h) [reset = 7FF8h]
8.6.2.11
Channel-2 Warning-Alert Limit Register (address = 0Ah) [reset = 7FF8h]
8.6.2.12
Channel-3 Critical-Alert Limit Register (address = 0Bh) [reset = 7FF8h]
8.6.2.13
Channel-3 Warning-Alert Limit Register (address = 0Ch) [reset = 7FF8h]
8.6.2.14
Shunt-Voltage Sum Register (address = 0Dh) [reset = 00h]
8.6.2.15
Shunt-Voltage Sum-Limit Register (address = 0Eh) [reset = 7FFEh]
8.6.2.16
Mask/Enable Register (address = 0Fh) [reset = 0002h]
8.6.2.17
Power-Valid Upper-Limit Register (address = 10h) [reset = 2710h]
8.6.2.18
Power-Valid Lower-Limit Register (address = 11h) [reset = 2328h]
8.6.2.19
Manufacturer ID Register (address = FEh) [reset = 5449h]
8.6.2.20
Die ID Register (address = FFh) [reset = 3220]
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
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
社区资源
12.4
商标
12.5
静电放电警告
12.6
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RGV|16
MPQF121F
散热焊盘机械数据 (封装 | 引脚)
RGV|16
QFND107G
订购信息
zhcs890b_oa
zhcs890b_pm