SBAS561C
June 2012 – January 2017
ADS131E04
,
ADS131E06
,
ADS131E08
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
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
Timing Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Parameter Measurement Information
8.1
Noise Measurements
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Electromagnetic Interference (EMI) Filter
9.3.2
Input Multiplexer
9.3.2.1
Device Noise Measurements
9.3.2.2
Test Signals (TestP and TestN)
9.3.2.3
Temperature Sensor (TempP, TempN)
9.3.2.4
Power-Supply Measurements (MVDDP, MVDDN)
9.3.3
Analog Input
9.3.4
PGA Settings and Input Range
9.3.4.1
Input Common-Mode Range
9.3.5
ΔΣ Modulator
9.3.6
Clock
9.3.7
Digital Decimation Filter
9.3.8
Voltage Reference
9.3.9
Input Out-of-Range Detection
9.3.10
General-Purpose Digital I/O (GPIO)
9.4
Device Functional Modes
9.4.1
Start
9.4.1.1
Settling Time
9.4.1.2
Input Signal Step
9.4.2
Reset (RESET)
9.4.3
Power-Down (PWDN)
9.4.4
Continuous Conversion Mode
9.4.5
Data Retrieval
9.4.5.1
Data Ready (DRDY)
9.4.5.2
Reading Back Data
9.4.5.3
Status Word
9.4.5.4
Readback Length
9.5
Programming
9.5.1
Data Format
9.5.2
SPI Interface
9.5.2.1
Chip Select (CS)
9.5.2.2
Serial Clock (SCLK)
9.5.2.3
Data Input (DIN)
9.5.2.4
Data Output (DOUT)
9.5.3
SPI Command Definitions
9.5.3.1
Sending Multibyte Commands
9.5.3.2
WAKEUP: Exit STANDBY Mode
9.5.3.3
STANDBY: Enter STANDBY Mode
9.5.3.4
RESET: Reset Registers to Default Values
9.5.3.5
START: Start Conversions
9.5.3.6
STOP: Stop Conversions
9.5.3.7
OFFSETCAL: Channel Offset Calibration
9.5.3.8
RDATAC: Start Read Data Continuous Mode
9.5.3.9
SDATAC: Stop Read Data Continuous Mode
9.5.3.10
RDATA: Read Data
9.5.3.11
RREG: Read from Register
9.5.3.12
WREG: Write to Register
9.6
Register Map
9.6.1
Register Descriptions
9.6.1.1
ID: ID Control Register (Factory-Programmed, Read-Only) (address = 00h) [reset = xxh]
9.6.1.2
CONFIG1: Configuration Register 1 (address = 01h) [reset = 91h]
9.6.1.3
CONFIG2: Configuration Register 2 (address = 02h) [reset = E0h]
9.6.1.4
CONFIG3: Configuration Register 3 (address = 03h) [reset = 40]
9.6.1.5
FAULT: Fault Detect Control Register (address = 04h) [reset = 00h]
9.6.1.6
CHnSET: Individual Channel Settings (address = 05h to 0Ch) [reset = 10h]
9.6.1.7
FAULT_STATP: Fault Detect Positive Input Status (address = 12h) [reset = 00h]
9.6.1.8
FAULT_STATN: Fault Detect Negative Input Status (address = 13h) [reset = 00h]
9.6.1.9
GPIO: General-Purpose IO Register (address = 14h) [reset = 0Fh]
10
Application and Implementation
10.1
Application Information
10.1.1
Unused Inputs and Outputs
10.1.2
Setting the Device Up for Basic Data Capture
10.1.3
Multiple Device Configuration
10.1.3.1
Synchronizing Multiple Devices
10.1.3.2
Standard Configuration
10.1.3.3
Daisy-Chain Configuration
10.1.4
Power Monitoring Specific Applications
10.1.5
Current Sensing
10.1.6
Voltage Sensing
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curves
11
Power Supply Recommendations
11.1
Power-Up Timing
11.2
Recommended External Capacitor Values
11.3
Device Connections for Unipolar Power Supplies
11.4
Device Connections for Bipolar Power Supplies
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 Resource
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PAG|64
MTQF006A
Thermal pad, mechanical data (Package|Pins)
PAG|64
QFND323A
Orderable Information
sbas561c_oa
sbas561c_pm