Thermo Spectronic BioMate 3 - Page 101

Drawings
GND
VA+5
VA+5
0. 1U F
C107
GND
VCC
ADC_DRDY
ADC_SER_RD
U17
17
8
18
9
16
15
12
14
1319
6
4
5
2
3
24
1
22
23
10
11
7
20
21
12PF
C52
C53
12PF
4.02K 1%
R53
510 R58
510
R59
R57
510
510
R56
R60
510
ADC_SER_W
R
ADC_DSYNC
ADC_SCLK
U37
3
1
2
1K 1%
R54
CH_SAM
GND
0. 1U F
C106
0. 1U F
C105
U13
6
4
7
2
3
GND
CH_REF
V_MUX
0. 1U F
C103
0. 1U F
C104
VA+5
GND
10
R55
CTS_MP10 0
10 MH Z
Y3
VREF+0_5
C69
C70
D22 D23 D24 D25 D26
REF IN
RE FOU T
VBIAS
XOU T
XIN
AIN4N
AIN4P
AIN3N
AIN3P
AIN2N
AIN2P
AIN1N
AIN1P
AGN D
SCLK
DGN D
SDIO
SDOUT
DSY NC
MOD E
CS
DRDY
AVDD DVDD
A DS 1 21 1U
VOU T
VIN
GN D
AD1403A N
A D 820A R
-
+
10 U F/ 16 V
+
Ta nt a l u m
10 U F/ 16 V
+
Ta nt a l u m
MB R 0 52 0
MB R 0 52 0
MB R 0 52 0
MB R 0 52 0
MB R 0 52 0
G10 MAIN BOARD
335901-602- 1 REV. A
2.5 V
(8 P IN DIP)
(D GND )
(A GN D )
(A GN D )
(A GN D )
(A GN D )
DGND PLANE
AGND PL AN E
DELTA-SIGMA A/D CONVERTER
10 OF 1 4
Figure 8.12 Main board Delta Sigma A/D Converter10 of 14
8-25