Texas Instruments ADS1299, User Manual

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GPIO1
/RESET
/PWDN
SRB1
SRB2
C4
1uF
C9
100uF
C10
10uF
C1
1uF
C2
1uF
C3
1uF
C20
0.01uF
R3 0
V
C
AP
4
V
BG
V
C
AP
2
C13
0.1uF
C14
0.1uF
C12
0.1uF
C5
1uF
C8
NI
C16
0.1uF
C6
1uF
C15
NI
C7
NI
C19
NI
VREFP
B
IA
SI
N
V
B
IA
SOUT
B
IA
SI
N
C33
NI
VDD
4
GND
2
Output
3
E/D
1
OSC1
HC735-2.048MHZ
AVDD
AVDD AVDD
AVSS
AVSS
AVSS
BIAS_DRV
VREFP
AVSS
AVSS
AVSS
AVDD
AVDD
DVDD
C11
1uF
DVDD
CLKSEL
SPI_DRDY
SPI_OUT
GPIO2
SPI_CLK
SPI_CS
SPI_START
AVDD
SPI_IN
GPIO1
R6
10K R7
10K
DVDD
BIAS_DRV
C22 NI
C21 NI
AVSS
AVDD
R4
NI
BIAS_SHD
BIAS_SHD
DVDD
VCAP3
/RESET
/PWDN
SPI_DRDY
GPIO4
SPI_OUT
GPIO2
GPIO3
SPI_CLK
SPI_CS
SPI_START
SPI_IN
CLKSEL
CLK
AVSS
C76
1uF
AVSS AVSS
C77
1uF
AVSS
JP5
C17
1uF
C18
0.1uF
AVDD
1
2
3
4
5
U2
NI
/PWDN
DAISY_IN
GPIO3
GPIO4
DAISY_IN
GPIO3
GPIO4
DAISY_IN
1 2
3 4
5 6
7 8
9 10
J5
NI
JP18
EXT_CLK
EXT_CLK
TP11 TP12 TP1 TP2
AGND
AGND
AGND
AGND
AGND
AGND AGND
AGND
AGND
AGND
AGND
AGND
AGND
R8
392K
TP3
IN8N
1
IN8P
2
IN7N
3
IN7P
4
IN6N
5
IN6P
6
IN5N
7
IN5P
8
IN4N
9
IN4P
10
IN3N
11
IN3P
12
IN2N
13
IN2P
14
IN1N
15
IN1P
16
S
R
B2
1
8
S
R
B1
1
7
V
R
EFP
2
4
V
C
AP
4
2
6
A
V
SS
2
0
R
E
SV
3
/N
C
2
9
V
R
EFN
2
5
R
E
SV
2
/N
C
2
7
/P
W
D
N
3
5
V
C
AP
1
2
8
GP
IO1
4
2
D
A
IS
Y_
IN
4
1
V
C
AP
2
3
0
/RES
ET
3
6
DGND
33
DIN
34
START
38
CLK
37
/CS
39
SCLK
40
GPIO3
45
GPIO2
44
DOUT
43
GPIO4
46
/DRDY
47
DVDD
48
DGND
51
AVSS
32
DVDD
50
DGND
49
CLKSEL
52
A
V
SS
1
5
3
A
V
D
D
1
5
4
V
C
AP
3
5
5
A
V
D
D
5
9
A
V
D
D
5
6
A
V
SS
2
3
A
V
SS
5
7
A
V
SS
5
8
A
V
D
D
1
9
A
V
D
D
2
1
B
IA
SI
N
6
2
B
IA
SI
N
V
6
1
B
IA
SOUT
6
3
RESV1
31
A
V
D
D
2
2
B
IA
SR
E
F
6
0
RESERVED
64
U1
ADS1299
C95
0.1uF
R75
10K
DVDD
C97
1uF
C99
1uF
JP7
REF_ELEC
JP6
BIAS_ELEC
R23
2M
R24
2M
AIN8N
AIN8P
AIN7N
AIN7P
AIN6N
AIN6P
AIN5N
AIN5P
AIN4N
AIN4P
AIN3N
AIN3P
AIN2N
AIN2P
AIN1N
AIN1P
C98
NI
R25
0
AVDD
AVSS
BIAS_ELEC
REF_ELEC
R5 NI
R1
NI
R2
NI
AVDD
AVSS
B
IA
SR
E
F
JP19
3
2
6
7
4
8
5
U4
OPA376
3
2
6
7
4
8
5
U11
OPA376
C23
1uF
C24
1uF
AVDD
AVSS
3
2
6
7
4
8
5
U4A
NI
AVDD
AVSS
3
2
6
7
4
8
5
U11A
NI
U11_3
U11_6
U11_6
U11_3
U4_6
U4_3
U4_6
U4_3
JP8
R18
NI
R16
NI
R17
NI
R15
0
R13
0
R14
0
Optional 8-MSOP driver
JP17
JP1
BIAS_ELEC
Bill of Materials, Layouts and Schematics
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9 Bill of Materials, Layouts and Schematics
This section contains the complete bill of materials, printed circuit board (PCB) layouts, and schematic
diagrams for the ADS1299EEG-FE.
NOTE: Board layouts are not to scale. These are intended to show how the board is laid out; do not
use for manufacturing ADS1299EEG-FE PCBs.
9.1 ADS1299EEG-FE Front-End Board Schematics
Figure 59 through Figure 63 shown the schematic diagrams of the ADS1299EEG-FE.
Figure 59. ADS1299EEG-FC Schematic
50 EEG Front-End Performance Demonstration Kit SLAU443 – May 2012
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