SBAS846
November 2017
TLA2021
,
TLA2022
,
TLA2024
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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
I2C Timing Requirements
7.7
Typical Characteristics
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
8.4
Device Functional Modes
8.4.1
Reset and Power-Up
8.4.2
Operating Modes
8.4.2.1
Single-Shot Conversion 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
8.5.1.3
Serial Clock (SCL) and Serial Data (SDA)
8.5.1.4
I2C Data Transfer Protocol
8.5.1.5
Timeout
8.5.1.6
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 Maps
9.1
Conversion Data Register (RP = 00h) [reset = 0000h]
9.2
Configuration Register (RP = 01h) [reset = 8583h]
10
Application and Implementation
10.1
Application Information
10.1.1
Basic Interface Connections
10.1.2
Connecting Multiple Devices
10.1.3
Single-Ended Signal Measurements
10.1.4
Analog Input Filtering
10.1.5
Duty Cycling To Reduce Power Consumption
10.1.6
I2C Communication Sequence Example
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curve
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
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.2
Related Links
13.3
Receiving Notification of Documentation Updates
13.4
Community Resources
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RUG|10
MPQF216A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbas846_oa
sbas846_pm
5
Device Comparison Table
DEVICE
RESOLUTION
(Bits)
MAXIMUM SAMPLE RATE
(SPS)
INPUT CHANNELS,
DIFFERENTIAL
(Single-Ended)
PGA
INTERFACE
TLA2021
12
3300
1 (1)
No
I
2
C
TLA2022
12
3300
1 (1)
Yes
I
2
C
TLA2024
12
3300
2 (4)
Yes
I
2
C