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ADS101x Ultra-Small, Low-Power, I2C-Compatible, 3.3kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator
SBAS473F
May 2009 – January 2025
ADS1013
,
ADS1014
,
ADS1015
PRODUCTION DATA
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ADS101x Ultra-Small, Low-Power, I2C-Compatible, 3.3kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator
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
Timing Requirements: I2C
6.7
Timing Diagram
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
Multiplexer
7.3.2
Analog Inputs
7.3.3
Full-Scale Range (FSR) and LSB Size
7.3.4
Voltage Reference
7.3.5
Oscillator
7.3.6
Output Data Rate and Conversion Time
7.3.7
Digital Comparator (ADS1014 and ADS1015 Only)
7.3.8
Conversion Ready Pin (ADS1014 and ADS1015 Only)
7.3.9
SMbus Alert Response
7.4
Device Functional Modes
7.4.1
Reset and Power-Up
7.4.2
Operating Modes
7.4.2.1
Single-Shot Mode
7.4.2.2
Continuous-Conversion Mode
7.4.3
Duty Cycling For Low Power
7.5
Programming
7.5.1
I2C Interface
7.5.1.1
I2C Address Selection
7.5.1.2
I2C General Call
7.5.1.3
I2C Speed Modes
7.5.2
Target Mode Operations
7.5.2.1
Receive Mode
7.5.2.2
Transmit Mode
7.5.3
Writing To and Reading From the Registers
7.5.4
Data Format
8
Register Map
9
Application and Implementation
9.1
Application Information
9.1.1
Basic Connections
9.1.2
Single-Ended Inputs
9.1.3
Input Protection
9.1.4
Unused Inputs and Outputs
9.1.5
Analog Input Filtering
9.1.6
Connecting Multiple Devices
9.1.7
Quick-Start Guide
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Shunt Resistor Considerations
9.2.2.2
Operational Amplifier Considerations
9.2.2.3
ADC Input Common-Mode Considerations
9.2.2.4
Resistor (R1, R2, R3, R4) Considerations
9.2.2.5
Noise and Input Impedance Considerations
9.2.2.6
First-Order RC Filter Considerations
9.2.2.7
Circuit Implementation
9.2.2.8
Results Summary
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.3.1
Power-Supply Sequencing
9.3.2
Power-Supply Decoupling
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DGS|10
MPDS035C
RUG|10
MPQF216A
Thermal pad, mechanical data (Package|Pins)
RUG|10
QFND221
Orderable Information
sbas473f_oa
sbas473f_pm
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Data Sheet
ADS101x
Ultra-Small,
Low-Power, I
2
C-Compatible, 3.3kSPS, 12-Bit ADCs
With Internal Reference, Oscillator, and Programmable Comparator
1
Features
Ultra-small packages:
X2QFN: 1.5mm × 2mm × 0.4mm
SOT: 2.9mm × 2.8mm × 0.6mm
Noise-free resolution: 12 bits
Wide supply range: 2.0V to 5.5V
Low current consumption: 150μA
(continuous-conversion mode)
Programmable data rate:
128SPS to 3.3kSPS
Single-cycle settling
Internal low-drift voltage reference
Internal oscillator
I
2
C interface: Four pin-selectable addresses
Operating temperature range:
–40°C to +125°C
Family of devices:
ADS1013: 1 single-ended (SE) or differential (DE) input
ADS1014: 1 single-ended or differential input with comparator and PGA
ADS1015: 4 single-ended or 2 differential inputs with comparator and PGA
