Datasheet

ADS802
14
SBAS039B
www.ti.com
FIGURE 9. ADS802 Interface Schematic with AC-Coupling and External Buffers.
GND
LSB
MSB
GND
11
12
13
14
15
16
17
18
9
8
7
6
5
4
3
2
1
19
+V
S
CLK
+V
S
OE
MSBI
+V
S
REFB
CM
REFT
+V
S
GND
IN
IN
GND
15
16
17
18
19
20
21
22
23
24
25
26
27
28
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ADS802
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
R
1
50Ω
R
2
50Ω
Ext
Clk
AC Input
Signal
11
12
13
14
15
16
17
18
9
8
7
6
5
4
3
2
Dir
G+
1
19
Dir
G+
–541
–541
Mini-circuits
TT1-6-KK81
or equivalent
22pF
22pF
(1)
NOTE: (1) All capacitors should be located as close to the pins as the manufacturing
process will allow. Ceramic X7R surface-mount capacitors or equivalent are recommended.
+5V