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ADS101x-Q1Automotive, Low-Power, I2C-Compatible, 3.3-kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator
SBAS511E
july 2010 – july 2023
ADS1013-Q1
,
ADS1014-Q1
,
ADS1015-Q1
PRODUCTION DATA
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ADS101x-Q1Automotive, Low-Power, I2C-Compatible, 3.3-kSPS, 12-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator
1
1
Features
2
Applications
3
Description
4
Revision History
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-Q1 and ADS1015-Q1 Only)
7.3.8
Conversion Ready Pin (ADS1014-Q1 and ADS1015-Q1 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
7.6
Register Map
7.6.1
Address Pointer Register (address = N/A) [reset = N/A]
7.6.2
Conversion Register (P[1:0] = 00b) [reset = 0000h]
7.6.3
Config Register (P[1:0] = 01b) [reset = 8583h]
7.6.4
Lo_thresh (P[1:0] = 10b) [reset = 8000h] and Hi_thresh (P[1:0] = 11b) [reset = 7FFFh] Registers
8
Application and Implementation
8.1
Application Information
8.1.1
Basic Connections
8.1.2
Single-Ended Inputs
8.1.3
Input Protection
8.1.4
Unused Inputs and Outputs
8.1.5
Analog Input Filtering
8.1.6
Connecting Multiple Devices
8.1.7
Quick-Start Guide
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Shunt Resistor Considerations
8.2.2.2
Operational Amplifier Considerations
8.2.2.3
ADC Input Common-Mode Considerations
8.2.2.4
Resistor (R1, R2, R3, R4) Considerations
8.2.2.5
Noise and Input Impedance Considerations
8.2.2.6
First-Order RC Filter Considerations
8.2.2.7
Circuit Implementation
8.2.2.8
Results Summary
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.3.1
Power-Supply Sequencing
8.3.2
Power-Supply Decoupling
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DGS|10
MPDS035C
NKS|10
MPQF680
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas511e_oa
sbas511e_pm
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