Datasheet
Place the decoupling capacitors close to power pins in layout
DNI
A
B
C
D
5 4 3 2 1
D
C
B
A
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Title
Size Document Number Rev
Date: Sheet of 7
ADS1x9xECG FE
ADS1292
A
2
B
Thursday, August 04, 2011
Note:
For two channel ECG Do the following modification
1) Mount 51K resistor in place of R71 and R63
2) Mount 0 Ohm resistors in place of C48, C46, C49 and C50
3) Make following components DNI
R66, R64, R72, R62, C47,C45,R70 and R69
External Clock
ELL
ELA
ERA
ERL
ECG_SHD_DRV
C45
2.2nF
R32 10K
R44
0E
R63
0E
1
ENB
2
GND
3
OUT
4
VDD
O1
NI
1
TP53
C69
NI
5
9
4
8
3
7
2
6
1
10
11
P5
482016042
R55
0E
R85
51K
R21
NI
R77
10K
C58
1uF
C24
4.7nF
1
TP38
L3
BLM18PG121SN1P
R62
10M (1%)
R4
0E
C15
0.1uF
1
TP11
R64
10M (1%)
C22
1uF
1
TP47
R26
0E
R69 40K
C10
4.7nF
C19
0.1uF
R27
0E
R76
NI
DNI
C56
47pF
1
TP46
1
TP56
1
TP24
C14
1uF
1
TP52
1
TP42
R45
0E
R41
NI
C4
NI
C18
1uF
R36
1M
R34 10K
R37
0E
R54
0E
R66
10M (1%)
C60
47pF
C6
10uF
C49
2.2nF
R2
NI
1
TP16
R73
51K
R72
10M (1%)
C71
NI
R23
0E
1
PGA1N
2
PGA1P
3
IN1N
4
IN1P
5
IN2N
6
IN2P
7
PGA2N
8
PGA2P
9
VREFP
10
VREFN
11
VCAP1
12
AVDD
13
AVSS
14
CLKSEL
15
PWDN#/RESET#
16
START
17
CLK
18
CS#
19
DIN
20
SCLK
21
DOUT
22
DRDY#
23
DVDD
24
DGND
25
GPIO2/RCLK2
26
GPIO1/RCLK1
27
VCAP2
28
RLDINV
29
RLDIN/RLDREF
30
RLDOUT
31
RESP_MODP/IN3P
32
RESP_MODN/IN3N
U5
ADS1292R
R70
40K
C50
2.2nF
C9
0.1uF
R71
0E
C23
1.5nF
1
TP15
+
-
3
4
1
52
U15
NI
1
TP34
C47
2.2nF
C87
0.1uF
C88
1uF
R16 NI
DNI
C48
0.1uF
C46
0.1uF
R116
0E
R118
0E
C89
NI
DNI
C90
NI
DNI
C92
NI
DNI
C91 NI
DNI
R35
100K
R117
100K
ADS_DVDD
ADS_DVDD
ADS_DVDD
VCC_3_3
ADS_DVDD
AVSS
ADS_AVDD
AVSS
AVSS
ADS_AVDD
AVSS
ADS_AVDD
AVSS
ADS_DVDD
ADC_GPIO2
ADC_GPIO1
ADC_CLK
ADC_CS
ADC_START
ADC_SCLK
ADC_RESET
ADC_DRDY
RESP_MOD_M
ERL
RESP_MOD_P
ADC_CLK_SCL
ADS_AVDD
AVSS
ADC_DOUT
ADC_DIN
AVSS
AVSS
ELL