JAJS373D
May 2009 – January 2018
ADS1113
,
ADS1114
,
ADS1115
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略ブロック図
4
改訂履歴
5
Device Comparison Table
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
Timing Requirements: I2C
7.7
Typical Characteristics
8
Parameter Measurement Information
8.1
Noise Performance
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagrams
9.3
Feature Description
9.3.1
Multiplexer
9.3.2
Analog Inputs
9.3.3
Full-Scale Range (FSR) and LSB Size
9.3.4
Voltage Reference
9.3.5
Oscillator
9.3.6
Output Data Rate and Conversion Time
9.3.7
Digital Comparator (ADS1114 and ADS1115 Only)
9.3.8
Conversion Ready Pin (ADS1114 and ADS1115 Only)
9.3.9
SMbus Alert Response
9.4
Device Functional Modes
9.4.1
Reset and Power-Up
9.4.2
Operating Modes
9.4.2.1
Single-Shot Mode
9.4.2.2
Continuous-Conversion Mode
9.4.3
Duty Cycling For Low Power
9.5
Programming
9.5.1
I2C Interface
9.5.1.1
I2C Address Selection
9.5.1.2
I2C General Call
9.5.1.3
I2C Speed Modes
9.5.2
Slave Mode Operations
9.5.2.1
Receive Mode
9.5.2.2
Transmit Mode
9.5.3
Writing To and Reading From the Registers
9.5.4
Data Format
9.6
Register Map
9.6.1
Address Pointer Register (address = N/A) [reset = N/A]
Table 6.
Address Pointer Register Field Descriptions
9.6.2
Conversion Register (P[1:0] = 0h) [reset = 0000h]
Table 7.
Conversion Register Field Descriptions
9.6.3
Config Register (P[1:0] = 1h) [reset = 8583h]
Table 8.
Config Register Field Descriptions
9.6.4
Lo_thresh (P[1:0] = 2h) [reset = 8000h] and Hi_thresh (P[1:0] = 3h) [reset = 7FFFh] Registers
Table 9.
Lo_thresh and Hi_thresh Register Field Descriptions
10
Application and Implementation
10.1
Application Information
10.1.1
Basic Connections
10.1.2
Single-Ended Inputs
10.1.3
Input Protection
10.1.4
Unused Inputs and Outputs
10.1.5
Analog Input Filtering
10.1.6
Connecting Multiple Devices
10.1.7
Quickstart Guide
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Shunt Resistor Considerations
10.2.2.2
Operational Amplifier Considerations
10.2.2.3
ADC Input Common-Mode Considerations
10.2.2.4
Resistor (R1, R2, R3, R4) Considerations
10.2.2.5
Noise and Input Impedance Considerations
10.2.2.6
First-order RC Filter Considerations
10.2.2.7
Circuit Implementation
10.2.2.8
Results Summary
10.2.3
Application Curves
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
ドキュメントのサポート
13.1.1
関連資料
13.2
関連リンク
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
2
アプリケーション
携帯機器
バッテリの電圧と電流の監視
温度測定システム
コンシューマ・エレクトロニクス
ファクトリ・オートメーションとプロセス制御