SBOU087A Datasheet, PDF (3/35 Pages) Texas Instruments – Multi-Cal-System Evaluation Module

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Overview
1 Overview
The Multi-Cal-System Evaluation Module is a set of EVMs that is used to calibrate multiple PGA308 and
PGA309 sensor modules. The PGA308 and PGA309 are two programmable analog sensor signal
conditioners. All components in the Multi-Cal-System can be expanded to calibrate up to 64 sensors
simultaneously. For a more detailed description of the PGA308, please refer to the product data sheet
(SBOS440) available from the Texas Instruments web site at http://www.ti.com. Additional support
documents are listed in the section of this guide entitled Related Documentation from Texas Instruments .
The Multi-Cal-System Evaluation Module consists of two printed circuit boards (PCBs). One board (the
USB DAQ Platform) generates the signals required to communicate with the Multi-Cal-System, which is
the second board (Multi-Cal-Master PCA), as well as support and configuration circuitry. The complete
Multi-Cal-System contains a series of PCBs, and can be expanded to meet your specific system
requirements.
Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with
the Multi-Cal-System Evaluation Module.
1.1 Multi-Cal-System Hardware Options
Figure 1 shows the hardware included with the basic Multi-Cal-System kit. Contact the factory if any
component is missing.
Universal Power Supply
USB Cable
USB DAQ Platform
Multi-Cal-Master PCA
Figure 1. Hardware Included with the Multi-Cal-System EVM Kit
The Multi-Cal-System EVM kit includes the following items:
• Multi-Cal-System PCB: This board multiplexes all the communication signals, sensor module output
signals, and power.
• USB DAQ Platform PCB: This board connects to the USB port on your computer. It generates all the
control signals and communication signals for the Multi-Cal-System.
• USB cable: Connects your computer to the USB DAQ Platform PCB; it is an A-Male to B-Male USB
cable.
• Universal 9V power supply: 9-V_DC, 220-V/120-V universal power source. (Adaptors are also provided
for most major countries.)
SBOU087A – August 2010 – Revised April 2011
Multi-Cal-System Evaluation Module
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