ADS1299EEG-FE Overview

www.ti.com

1 ADS1299EEG-FE Overview

1.1 Important Disclaimer Information

CAUTION

Notice: The ADS1299EEG-FE is intended for feasibility and evaluation testing

only in laboratory and development environments. This product is not for

diagnostic use.

The ADS1299EEG-FE is to be used only under these conditions:

• The ADS1299EEG-FE is intended only for electrical evaluation of the features of the ADS1299 device

in a laboratory, simulation, or development environment.

• The ADS1299EEG-FE is not intended for direct interface with a patient, patient diagnostics, or with a

defibrillator.

• The ADS1299EEG-FE is intended for development purposes ONLY. It is not intended to be used as all

or part of an end-equipment application.

• The ADS1299EEG-FE should be used only by qualified engineers and technicians who are familiar

with the risks associated with handling electrical and mechanical components, systems, and

subsystems.

• You are responsible for the safety of yourself, your fellow employees and contractors, and your co-

workers when using or handling the ADS1299EEG-FE. Furthermore, you are fully responsible for the

contact interface between the human body and electronics; consequently, you are responsible for

preventing electrical hazards such as shock, electrostatic discharge, and electrical overstress of

electric circuit components.

1.2 Information about Cautions and Warnings

This document contains caution statements. The information in a caution statement is provided for your

protection. Be sure to read each caution carefully.

CAUTION

This is an example of a caution statement. A caution statement describes a

situation that could potentially damage your software or equipment.

EEG Front-End Performance Demonstration Kit SLAU443–May 2012

Submit Documentation Feedback

www.ti.com

Overview

2 Overview

2.1 Introduction

The ADS1299EEG-FE is intended for evaluating the ADS1299 low-power, low noise 24-bit, simultaneously

sampling, eight-channel front-end for EEG applications. The digital SPI™ control interface is provided by

the MMB0 Modular EVM motherboard (Rev. D or higher) that connects to the ADS1299EEG FE

evaluation board (Rev A). The ADS1299EEG-FE (see Figure 1) is NOT a reference design for EEG

applications; rather, its purpose is to expedite evaluation and system development. The output of the

ADS1299 yields a raw, unfiltered EEG signal.

The MMB0 motherboard allows the ADS1299EEG-FE to be connected to the computer via an available

USB port. This manual shows how to use the MMB0 as part of the ADS1299EEG-FE, but does not

provide technical details about the MMB0 itself.

Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with

the ADS1299EEG-FE.

2.2 Supported Features

Hardware Features:

• Configurable for bipolar or unipolar supply operation

• Configurable for internal and external clock and reference via jumper settings

• Configurable for dc-coupled inputs

• External bias electrode drive

• Option to provide a common reference to all channels negative terminals.

• Option to select any electrode as reference electrode

• Option to choose any electrode as bias electrode

• External shield drive amplifier

Software Features:

• Analysis tools including a virtual oscilloscope, histogram, FFT.

• Data export for post-processing of raw EEG data

2.3 Features Not Supported in Current Version

NOTE:

The following features are NOT SUPPORTED by the current version of the evaluation kit.

• Real-time data processing

• AC lead-off detection filters

2.4 ADS1299EEG-FE Hardware

Figure 1 shows the hardware included in the ADS1299EEG-FE kit. Contact the factory if any component is

missing. Also, it is highly recommended that you check the TI website at http://www.ti.com to verify that

you have the latest software.

SLAU443–May 2012 EEG Front-End Performance Demonstration Kit

Submit Documentation Feedback

Overview

www.ti.com

Figure 1. ADS1299EEG-FE Kit

The complete kit includes the following items:

• ADS1299EEG FE printed circuit board (PCB), Rev A

• MMB0 (Modular EVM motherboard, Rev D or higher)

• Universal ac to dc wall adapter, 120V to 240V ac to +6V dc

2.5 Factory Default Jumper Settings

Table 1. Factory Default Jumper Settings

Jumper Name Settings Comment

JP1 Not Installed Used for programmable bias drive.

JP2 2-3 Unipolar analog supply (AVDD = 5V)

JP3 Not Installed Related to external reference generation circuitry

JP4 1-2 5V supply to board

JP5 Not Installed Option to provide hardware PWDN signal.

JP6 1-2 BIAS_ELEC to onboard midsupply

JP7 1-2 Route REF_ELEC to buffer input (buffer output is not used by default)

JP8 1-2 Route REF_ELEC directly to SRB1

JP17 Not Installed Related to shield drive circuitry

JP18 2-3 Clock from Oscillator on the EVM

JP19 1-2 Power for Oscillator on the EVM

JP20 1-2 Unipolar supply (AVSS = 0V)

JP21 1-2

JP22 2-3

JP23 1-2 CLKSEL = 0

JP24 2-3 Digital supply (DVDD =3.3)

EEG Front-End Performance Demonstration Kit SLAU443–May 2012

Submit Documentation Feedback

Part #	142-0701-201
Description	SMA COAXIAL CONNECTOR
Category	CONNECTOR
Availability	In Stock
Qty	3

Manufacturer	Available	Qty
Military Spec	Freelance Stock: 2 Ships Immediately
Military Spec	Freelance Stock: 1 Ships Immediately

142-0701-201

Related Items

Technical Document