Layout Example - Texas Instruments ADS866 Series Manual

ADS8664, ADS8668
SBAS492 – JULY 2015

11.2 Layout Example

22µF
Optional RC Filter for
Channel AIN_0 to AIN_7
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1: SDI
2: RST/PD
3: REFSEL
4: DAISY
5: REFIO
10µF
(When using internal V )
REF
6: REFGND
1µF
7: REFCAP
8: AGND
1µF
9: AVDD
10: AUX_IN
`
11: AUX_GND
12: AIN_6P
13: AIN_6GND
14: AIN_7P
15: AIN_7GND
16: AIN_0P
17: AIN_0GND
18: AIN_1P
19: AIN_1GND
Figure 128. Board Layout for the ADS8664 and ADS8668
Product Folder Links:
38: CS
37: SCLK
36: SDO
DAISY 35: NC
34: DVDD
33: DGND
32: AGND
31: AGND
30: AVDD
29: AGND
28: AGND
27: AIN_5P
26: AIN_5GND
25: AIN_4P
24: AIN_4GND
23: AIN_3P
22: AIN_3GND
21: AIN_2P
20: AIN_2GND
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Digital Pins
10µF
GND
1µF
Analog Pins