SLAU443 Datasheet, PDF (51/68 Pages) Texas Instruments – EEG Front-End Performance Demonstration Kit

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Bill of Materials, Layouts and Schematics
R80
4.99K
AGND
4.99K
R81
R82
4.99K
AGND
4.99K
R83
R84
4.99K
AGND
AIN1
1
AGND
J6
12
34
56
78
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
36PIN_IDC
R12 4.99K
BIAS_SHD
4.99K
R85
R86
4.99K
AGND
4.99K
R87
R88
4.99K
AGND
4.99K
R89
R90
4.99K
JP25
12
34
56
R10
4.99K
BIAS_ELEC
AGND
4.99K
R91
JP81 Setting
1) External Input Short to VCM
Jumper on (1-2), (3-4)
2) Ain+ to VCM, VCM drives SRB1
Jumper on (3-4), (5-6)
3) Ain- to VCM and Ain+ to SMA
Jumper on (1-2)
R11
4.99K
C75
4.7nF
REF_ELEC
AGND
R92
4.99K
AGND
4.99K
R93
R94
4.99K
4) Ain+ signal through header, VCM drives SRB1
Jumper on (5-6)
AGND
VCM: DC Bias from BIAS_ELEC
4.99K
R95
Figure 60. ADS1299EEG-FC Jumper Schematic
AIN8N
C80
4.7nF
C81
4.7nF
AIN8P
AIN7N
C82
4.7nF
C83
4.7nF
AIN7P
AIN6N
C84
4.7nF
C85
4.7nF
AIN6P
AIN5N
C86
4.7nF
C87
4.7nF
AIN5P
AIN4N
C88
4.7nF
C89
4.7nF
AIN4P
AIN3N
C90
4.7nF
C91
4.7nF
AIN3P
AIN2N
C92
4.7nF
C93
4.7nF
AIN2P
AIN1N
C72
4.7nF
C73
4.7nF
AIN1P
SLAU443 – May 2012
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EEG Front-End Performance Demonstration Kit
51
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