Datasheet
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
CH_C1
AVDD
AVDD
CH_C0
AGND
AGND
CH_B1
AVDD
AVDD
CH_B0
AGND
AGND
CH_A1
AVDD
AVDD
CH_A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
DB14/REFBUF
EN
DB13/SDI
DB12
DB11
DB10/SDO_C
DB9/SDO_B
DB8/SDO_A
BGND
BVDD
DB7/HB /DC
EN EN
DB6/SCLK
DB5/DCIN_A
DB4/DCIN_B
DB3/DCIN_C
DB2/SEL_C
DB1/SEL_B
DB15
DB0/SEL_A
REF /WR
EN
BUSY/INT
HW/SW
CSFS/
PAR/SER
RD
AVDD
CONVST_C
AGND
CONVST_B
REFC_C
CONVST_A
AGND
STBY
REFC_B
AGND
AGND
AVDD
REFC_A
RANGE/XCLK
AGND
RESET
AGND
WORD/BYTE
REFIO
HVSS
AVDD
HVDD
AGND
AGND
64 63 62 61 60 59 58
57
56
55 54
17
18 19 20
21 22
23
24
25 26
27
53 52 51 50 49
28 29 30 31 32
ADS8556
ADS8557
ADS8558
ADS8556
ADS8557
ADS8558
SBAS404B –OCTOBER 2006– REVISED JANUARY 2012
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