JAJSFR6A
July 2018 – November 2018
ADS1219
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
電圧、電流、および温度監視アプリケーション
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin 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
I2C Timing Requirements
7.7
I2C Switching Characteristics
7.8
Typical Characteristics
8
Parameter Measurement Information
8.1
Noise Performance
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Multiplexer
9.3.2
Rail-to-Rail Input Buffers and Programmable Gain Stage
9.3.3
Voltage Reference
9.3.4
Modulator and Internal Oscillator
9.3.5
Digital Filter
9.3.6
Conversion Times
9.3.7
Offset Calibration
9.4
Device Functional Modes
9.4.1
Power-Up and Reset
9.4.1.1
Power-On Reset
9.4.1.2
RESET Pin
9.4.1.3
Reset by Command
9.4.2
Conversion Modes
9.4.2.1
Single-Shot Conversion Mode
9.4.2.2
Continuous Conversion Mode
9.4.3
Power-Down Mode
9.5
Programming
9.5.1
I2C Interface
9.5.1.1
I2C Address
9.5.1.2
Serial Clock (SCL) and Serial Data (SDA)
9.5.1.3
Data Ready (DRDY)
9.5.1.4
Interface Speed
9.5.1.5
Data Transfer Protocol
9.5.1.6
I2C General Call (Software Reset)
9.5.1.7
Timeout
9.5.2
Data Format
9.5.3
Commands
9.5.3.1
Command Latching
9.5.3.2
RESET (0000 011x)
9.5.3.3
START/SYNC (0000 100x)
9.5.3.4
POWERDOWN (0000 001x)
9.5.3.5
RDATA (0001 xxxx)
9.5.3.6
RREG (0010 0rxx)
9.5.3.7
WREG (0100 00xx dddd dddd)
9.5.4
Reading Data and Monitoring for New Conversion Results
9.6
Register Map
9.6.1
Configuration and Status Registers
9.6.2
Register Descriptions
9.6.2.1
Configuration Register (address = 0h) [reset = 00h]
Table 10.
Configuration Register Field Descriptions
9.6.2.2
Status Register (address = 1h) [reset = 00h]
Table 11.
Status Register Field Descriptions
10
Application and Implementation
10.1
Application Information
10.1.1
Interface Connections
10.1.2
Connecting Multiple Devices on the Same I2C Bus
10.1.3
Unused Inputs and Outputs
10.1.4
Analog Input Filtering
10.1.5
External Reference and Ratiometric Measurements
10.1.6
Establishing Proper Limits on the Absolute Input Voltage
10.1.7
Pseudo Code Example
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Voltage Monitoring
10.2.2.2
High-Side Current Measurement
10.2.2.3
Thermistor Measurement
10.2.2.4
Register Settings
10.2.3
Application Curve
11
Power Supply Recommendations
11.1
Power-Supply Sequencing
11.2
Power-Supply Decoupling
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
デバイスおよびドキュメントのサポート
13.1
デバイス・サポート
13.1.1
デベロッパー・ネットワークの製品に関する免責事項
13.2
ドキュメントのサポート
13.2.1
関連資料
13.3
ドキュメントの更新通知を受け取る方法
13.4
コミュニティ・リソース
13.5
商標
13.6
静電気放電に関する注意事項
13.7
Glossary
14
メカニカル、パッケージ、および注文情報
9.3
Feature Description