JAJSQJ6 December   2023 ADS1114L , ADS1115L

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 I2C Timing Requirements
    7. 6.7 Timing Diagram
    8. 6.8 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Noise Performance
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagrams
    3. 8.3 Feature Description
      1. 8.3.1 Multiplexer
      2. 8.3.2 Analog Inputs
      3. 8.3.3 Full-Scale Range (FSR) and LSB Size
      4. 8.3.4 Voltage Reference
      5. 8.3.5 Oscillator
      6. 8.3.6 Output Data Rate and Conversion Time
      7. 8.3.7 Digital Comparator
      8. 8.3.8 Conversion-Ready Pin
      9. 8.3.9 SMBus Alert Response
    4. 8.4 Device Functional Modes
      1. 8.4.1 Reset and Power-Up
      2. 8.4.2 Operating Modes
        1. 8.4.2.1 Single-Shot Mode
        2. 8.4.2.2 Continuous-Conversion Mode
    5. 8.5 Programming
      1. 8.5.1 I2C Interface
        1. 8.5.1.1 I2C Address Selection
        2. 8.5.1.2 I2C Interface Speed
          1. 8.5.1.2.1 Serial Clock (SCL) and Serial Data (SDA)
        3. 8.5.1.3 I2C Data Transfer Protocol
        4. 8.5.1.4 Timeout
        5. 8.5.1.5 I2C General-Call (Software Reset)
      2. 8.5.2 Reading and Writing Register Data
        1. 8.5.2.1 Reading Conversion Data or the Configuration Register
        2. 8.5.2.2 Writing the Configuration Register
      3. 8.5.3 Data Format
  10. 9 Register Map
  11. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Basic Connections
      2. 10.1.2 Unused Inputs and Outputs
      3. 10.1.3 Single-Ended Inputs
      4. 10.1.4 Input Protection
      5. 10.1.5 Analog Input Filtering
      6. 10.1.6 Connecting Multiple Devices
      7. 10.1.7 Duty Cycling For Low Power
      8. 10.1.8 I2C Communication Sequence Example
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curve
    3. 10.3 Power Supply Recommendations
      1. 10.3.1 Power-Supply Sequencing
      2. 10.3.2 Power-Supply Decoupling
    4. 10.4 Layout
      1. 10.4.1 Layout Guidelines
      2. 10.4.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 ドキュメントの更新通知を受け取る方法
    2. 11.2 サポート・リソース
    3. 11.3 Trademarks
    4. 11.4 静電気放電に関する注意事項
    5. 11.5 用語集
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

5 Pin Configuration and Functions

GUID-7C53B4D6-58F7-4138-8664-64A7866AF4F1-low.svg Figure 5-1 DGS Package,
10-Pin VSSOP(Top View)
Table 5-1 Pin Functions: DGS Package
PIN TYPE DESCRIPTION(1)
NAME ADS1114L ADS1115L
ADDR 1 1 Digital input I2C target address select pin. See the I2C Address Selection section for details.
AIN0 4 4 Analog input Analog input 0
AIN1 5 5 Analog input Analog input 1
AIN2 — 6 Analog input Analog input 2 (ADS1115L only)
AIN3 — 7 Analog input Analog input 3 (ADS1115L only)
ALERT/RDY 2 2 Digital output Comparator output or conversion ready.
Open-drain output. Connect to VDD using a pullup resistor.
GND 3 3 Analog Ground
NC 6, 7 — — No connect. Leave pin floating or connect to GND.
SCL 10 10 Digital input Serial clock input. Connect to VDD using a pullup resistor.
SDA 9 9 Digital I/O Serial data input and output. Connect to VDD using a pullup resistor.
VDD 8 8 Analog Power supply. Connect a 0.1-μF, power-supply decoupling capacitor to GND.
(1) See the Unused Inputs and Outputs section for unused pin connections.
GUID-5B57764D-01CA-4D18-BF59-4D55C388BEBD-low.svg Figure 5-2 YCJ Package,
12-Pin DSBGA(Top View)
Table 5-2 Pin Functions: YCJ Package
PIN TYPE DESCRIPTION(1)
ADS1114L ADS1115L NAME
D2 D2 ADDR Digital input I2C target address select pin. See the I2C Address Selection section for details.
B1 B1 AIN0 Analog input Analog input 0
A1 A1 AIN1 Analog input Analog input 1
— A2 AIN2 Analog input Analog input 2 (ADS1115L only)
— A3 AIN3 Analog input Analog input 3 (ADS1115L only)
D1 D1 ALERT/RDY Digital output Comparator output or conversion ready.
Open-drain output. Connect to VDD using a pullup resistor.
B2, B3 B2, B3 GND Analog Ground
A2, A3 — NC — No connect. Leave pin floating or connect to GND.
D3 D3 SCL Digital input Serial clock input. Connect to VDD using a pullup resistor.
C3 C3 SDA Digital I/O Serial data input and output. Connect to VDD using a pullup resistor.
C1, C2 C1, C2 VDD Analog Power supply. Connect a 0.1-μF, power-supply decoupling capacitor to GND.
(1) See the Unused Inputs and Outputs section for unused pin connections.