Texas Instruments PGA309EVM-USB manual 2 J2 25-Pin Female Dsub, J2 Pinout 25-Pin Female Dsub

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System Setup

2.4.2J2 (25-Pin Female DSUB)

Table 3 shows the different signals connected to J2 on the PGA309_Test_Board. This table also identifies signals connected to pins on J2 that are not used on PGA309_Test_Board.

Table 3. J2 Pinout (25-Pin Female DSUB)

Pin on J2

Signal

Used on This EVM

PGA309 Pin

 

 

 

 

1

NC

No

 

 

 

 

 

2

CTRL1

Yes

Convert

 

 

 

 

3

CTRL2

Yes

GPIO

 

 

 

 

4

CTRL3

No

 

 

 

 

 

5

CTRL4

No

 

 

 

 

 

6

CTRL5

No

 

 

 

 

 

7

CTRL6

No

 

 

 

 

 

8

CTRL7

No

 

 

 

 

 

9

CTRL8

No

 

 

 

 

 

10

MEAS1

Yes

Warning

 

 

 

 

11

MEAS2

Yes

GPIO

 

 

 

 

12

MEAS3

Yes

Overlimit

 

 

 

 

13

MEAS4

Yes

Critical

 

 

 

 

14

MEAS5

Yes

ALT

 

 

 

 

15

MEAS6

No

 

 

 

 

 

16

MEAS7

No

 

 

 

 

 

17

MEAS8

No

 

 

 

 

 

18

SPI_SCK

No

 

 

 

 

 

19

SPI_CS2

No

 

 

 

 

 

20

SPI_DOUT2

No

 

 

 

 

 

21

SPI_DIN2

No

 

 

 

 

 

22

VDUT

No

VS

23

VCC

No

 

24

GND

Yes

GND

 

 

 

 

25

GND

Yes

GND

 

 

 

 

SBOU084 –February 2010

PGA309EVM-USB

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Copyright © 2010, Texas Instruments Incorporated

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Contents PGA309EVM-USB USB-DAQ-Platform Jumper Settings Hardware Included with the INA282-286EVM PGA309EVM-USB HardwareRelated Documentation from Texas Instruments If You Need AssistanceInformation About Cautions and Warnings Theory of Operation for PGA309TestBoard Hardware PGA309EVM-USB Hardware SetupPGA309TestBoard Connections PGA309TestBoard Schematic Input Circuitry System Setup PGA309TestBoard Schematic Output Circuitry PGA309TestBoard Schematic Sensor Emulator Circuitry PGA309TestBoard Connections to USB-DAQ-Platform and Eeprom PGA309 Test Board Parts List PGA309TestBoard Parts ListJMP1, JMP2, JMP3, JMP4 PGA309TestBoard Signal Definitions and Pinouts 1 J1 25-Pin Male DsubJ1 Pinout 25-Pin Male Dsub J2 Pinout 25-Pin Female Dsub 2 J2 25-Pin Female DsubUSBDAQPlatform ToPCandPowerSuppliesTheory of Operation for USB-DAQ-Platform Electrostatic Discharge WarningPGA309EVM-USB Typical Hardware Connections Typical Hardware ConnectionsConnecting the Two EVM PCBs Connecting the HardwareConnecting Power to the EVM Connecting PowerConnecting the USB Cable Connecting the USB Cable to the PGA309EVM-USBDefault Jumper Settings PGA309TestBoard PGA309EVM-USB Jumper SettingsPGA309TestBoard Jumper Functions General Default Jumper Settings USB-DAQ-PlatformPGA309TestBoard Jumper Functions Sensor Emulator Section PGA309TestBoard Jumper Functions Miscellaneous ConnectionsJUMP1 EXT USB-DAQ-Platform Jumper SettingsStarting the PGA309EVM-USB Software PGA309EVM-USB Software InstallUsing the PGA309EVM-USB Software Operating Systems for PGA309 SoftwarePGA309EVM-USB Software Registers Tab Registers TabPGA309EVM-USB Software Eeprom Tab Eeprom Table TabPGA309EVM-USB Software Block Diagram Block Diagram TabSensor Definition Functions Auto Calibrate TabPGA309EVM-USB Software Sensor Emulator Control Panel Tool PGA309EVM-USB Software Auto Calibrate Tab-PGA Setup PGA Setup FunctionsTwo-Point Calibration and Linearization Functions Shows the Temperature Error Compensation sub-tab Temperature Error Compensation FunctionsPost Cal Error Check PGA309EVM-USB Software Auto Calibrate Tab-DMM Options DMM OptionsEvaluation Board/Kit Important Notice FCC WarningEVM Warnings and Restrictions Important Notice

PGA309EVM-USB specifications

The Texas Instruments PGA309EVM-USB is an Evaluation Module designed specifically for the PGA309 Precision Analog Front End (AFE) family. This versatile and powerful device serves various applications in the realm of sensor signal conditioning, particularly for pressure sensors, temperature sensors, and other analog sensors requiring high precision.

One of the main features of the PGA309EVM-USB is its high-performance PGA309 device, which incorporates a programmable gain amplifier (PGA) allowing for flexible signal amplification. The PGA309 has a gain range from 1 to 128, enabling it to adapt to a wide array of sensor types and output levels. This flexibility is crucial for achieving optimal performance in diverse applications.

The module also leverages advanced analog and digital processing technologies, which enhance its capabilities. It integrates an onboard microcontroller, allowing users to easily configure settings, execute control algorithms, and manage data acquisition. The built-in USB interface simplifies the communication with a PC, making it straightforward to control the EVM through intuitive software provided by Texas Instruments.

Another significant characteristic of the PGA309EVM-USB is its highly accurate signal conditioning features, such as offset and gain calibration, which ensure minimized errors and improved measurement reliability. The device supports a variety of digital output configurations, including I2C and SPI, to allow easy integration into different system architectures.

In addition to its robust signal processing core, the PGA309EVM-USB is designed with user-friendly interfaces, making it suitable for both experienced engineers and those new to sensor design. The comprehensive software toolkit offers a graphical user interface (GUI) that enables real-time monitoring and adjustment of parameters, ensuring users can optimize their applications.

Furthermore, the device is designed for functionality in harsh environments, incorporating features to withstand temperature variations and electrical noise. This reliability adds value for applications in industrial automation, automotive systems, and medical devices.

In summary, the Texas Instruments PGA309EVM-USB stands out as a powerful tool for engineers looking to design and prototype high-precision sensor signal conditioning applications. With its programmable gain amplifier, advanced processing capabilities, and user-friendly interfaces, it represents a significant advancement in the field of analog signal processing, allowing for greater flexibility and accuracy in diverse applications.