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ADS111xL Ultra-Small, Low-Power, 16-Bit, 860-SPS ADCs With PGA, Comparator, and 1.8-V I2C Bus Voltage Support
SBASAV5
December 2023
ADS1114L
,
ADS1115L
PRODUCTION DATA
CONTENTS
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ADS111xL Ultra-Small, Low-Power, 16-Bit, 860-SPS ADCs With PGA, Comparator, and 1.8-V I2C Bus Voltage Support
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
I2C Timing Requirements
6.7
Timing Diagram
6.8
Typical Characteristics
7
Parameter Measurement Information
7.1
Noise Performance
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Multiplexer
8.3.2
Analog Inputs
8.3.3
Full-Scale Range (FSR) and LSB Size
8.3.4
Voltage Reference
8.3.5
Oscillator
8.3.6
Output Data Rate and Conversion Time
8.3.7
Digital Comparator
8.3.8
Conversion-Ready Pin
8.3.9
SMBus Alert Response
8.4
Device Functional Modes
8.4.1
Reset and Power-Up
8.4.2
Operating Modes
8.4.2.1
Single-Shot Mode
8.4.2.2
Continuous-Conversion Mode
8.5
Programming
8.5.1
I2C Interface
8.5.1.1
I2C Address Selection
8.5.1.2
I2C Interface Speed
8.5.1.2.1
Serial Clock (SCL) and Serial Data (SDA)
8.5.1.3
I2C Data Transfer Protocol
8.5.1.4
Timeout
8.5.1.5
I2C General-Call (Software Reset)
8.5.2
Reading and Writing Register Data
8.5.2.1
Reading Conversion Data or the Configuration Register
8.5.2.2
Writing the Configuration Register
8.5.3
Data Format
9
Register Map
10
Application and Implementation
10.1
Application Information
10.1.1
Basic Connections
10.1.2
Unused Inputs and Outputs
10.1.3
Single-Ended Inputs
10.1.4
Input Protection
10.1.5
Analog Input Filtering
10.1.6
Connecting Multiple Devices
10.1.7
Duty Cycling For Low Power
10.1.8
I2C Communication Sequence Example
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curve
10.3
Power Supply Recommendations
10.3.1
Power-Supply Sequencing
10.3.2
Power-Supply Decoupling
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DGS|10
MPDS035C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbasav5_oa
sbasav5_pm
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Data Sheet
ADS111xL
Ultra-Small, Low-Power, 16-Bit, 860-SPS ADCs With PGA, Comparator, and 1.8-V I
2
C Bus Voltage Support
1
Features
Supply voltage range: 2.0 V to 3.6 V
Low current consumption:
150 μA (continuous-conversion mode)
Programmable data rate:
8 SPS to 860 SPS
Single-cycle settling
Internal low-drift voltage reference
Internal oscillator
Digital comparator with ALERT output pin
I
2
C interface:
Four pin-selectable address
Compatible with 1.8-V I
2
C bus voltages
Operating temperature range:
–40°C to +125°C