SBAU411
February 2023
ADS127L21
Abstract
Trademarks
1
EVM Overview
1.1
ADS127L21 EVM Kit
1.2
ADS127L21EVM Board
1.3
ADS127L21EVM-PDK-GUI Unsupported Features
1.4
Related Documentation
2
Analog Interface
2.1
EVM Analog Input Options
2.2
ADC Connections and Decoupling
2.3
ADC Input Drive Amplifiers
2.4
VCOM Buffer
2.5
Onboard Voltage Reference
2.6
External Voltage Reference
2.7
Clock Tree
3
Digital Interface
3.1
Serial Interface
3.2
I2C bus for Onboard EEPROM
4
Power Supplies
4.1
Power Connection and Configuration
4.2
Low Dropout Regulator (LDO)
5
ADS127L21 EVM Software Installation
6
EVM Operation
6.1
Connecting the Hardware
6.2
Optional EVM Connections
6.3
EVM GUI Global Settings for ADC Control
6.4
Time Domain Display
6.5
Frequency Domain Display
6.6
Histogram Display
6.7
Digital Filter Configuration
6.8
Digital Filter Response
7
Bill of Materials, Schematics, and Layout
7.1
Bill of Materials
7.2
Schematics
7.3
Board Layout
6
EVM Operation