36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
Dedicated Reference and Bias Electrode
..............................................................................
Programmable reference and bias electrode
..........................................................................
Settings for Normal Electrode
............................................................................................
Configuring BIASREF and Bias Drive Buffer
..........................................................................
Setting up the Bias Drive Loop
..........................................................................................
Setting the LOFF Register Bits
..........................................................................................
Configuring the Lead Off Comparator
..................................................................................
................................................................................................
Scope tab for Impedance Measurement at 31.25Hz
.................................................................
FFT Analysis for Impedance Measurement at 31.25Hz
..............................................................
Scope Tab for Impedance Measurement at fDR/4 (DR = 4ksps)
...................................................
Multiplexer Setting for Calibration with Electrode Disconnected
....................................................
Multiplexer Setting with Positive Electrode Connected to Test Signal
.............................................
Multiplexer Setting with Both Electrodes Connected to Test Signal
................................................
Channel Setting for Input Short Test
....................................................................................
Global Register Settings for Input Short Test
..........................................................................
Scope Tab for Input Short Test
..........................................................................................
Global Register Settings for External Input Short Test
...............................................................
Scope Showing Noise for Input Short with 5k Resistors
.............................................................
MISC1 Register Setting for SRB1
.......................................................................................
Noise with Negative Input Connected to SRB1 Pin
...................................................................
Noise with OPA376 in SRB1 Path
......................................................................................
Scope Tab with Sinusoidal Inputs on AIN1
............................................................................
ADS1299EEG-FC Schematic
...........................................................................................
ADS1299EEG-FC Jumper Schematic
.................................................................................
ECG Power Supplies
.....................................................................................................
External Reference Drivers (Not Installed)
............................................................................
ECG MDK Board Interface Adapter
.....................................................................................
ADS1299EEG-FE Top Assembly
.......................................................................................
ADS1299EEG-FE Top Layer
............................................................................................
ADS1299EEG-FE Internal Layer (1)
....................................................................................
ADS1299EEG-FE Internal Layer (2)
....................................................................................
ADS1299EEG-FE Bottom Layer
........................................................................................
ADS1299EEG-FE Bottom Assembly
....................................................................................
Recommended Power Supply for ADS1299EEG-FE
.................................................................
Lead off Status Registers
List of Tables
1
2
3
4
5
6
7
8
9
10
Factory Default Jumper Settings
..........................................................................................
Power Supply Test Points
................................................................................................
Analog Supply Configurations
...........................................................................................
Digital Supply Configurations
............................................................................................
Clock Jumper Options
....................................................................................................
External Reference Jumper Options
....................................................................................
Test Signals
................................................................................................................
Serial Interface Pin Out
...................................................................................................
Dedicated Reference Drive Options through REF_ELEC
............................................................
Bill of Materials
.............................................................................................................
SLAU443 – May 2012
EEG Front-End Performance Demonstration Kit
Copyright © 2012, Texas Instruments Incorporated
3
TI [ TEXAS INSTRUMENTS ]
