Datasheet

IN4/NC
(1)
IN5/NC
(1)
IN6/NC
(1)
IN7/NC
(1)
RESET
EOC/ /CDIINT
ADCIN
AGND
REF-
REF+
VA
VBD
1
2
3
4
5
6
18
17
16
15
14
13
ADS8331
ADS8332
ThermalPad
(BottomSide)
(2)
IN3
24
SCLK
7
IN2
23
FS/CS
8
IN1
22
SDI
9
IN0
21
SDO
10
COM
20
DGND
11
MUXOUT
19
CONVST
12
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IN1
IN2
IN3
IN4/NC
(3)
IN5/NC
(3)
IN6/NC
(3)
IN7/NC
(3)
RESET
EOC/ /CDIINT
SCLK
FS/CS
SDI
IN0
COM
MUXOUT
ADCIN
AGND
REF-
VA
VBD
CONVST
DGND
SDO
REF+
ADS8331
ADS8332
CS
EOC
(activelow)
INT
(activelow)
t
D5
t
H1
ADS8331
ADS8332
SBAS363C –DECEMBER 2009–REVISED MAY 2012 www.ti.com
TIMING DIAGRAMS (continued)
Figure 4. Relationship among CS, EOC, and INT
PIN ASSIGNMENTS
RGE PACKAGE
4x4 QFN-24
(TOP VIEW)
PW PACKAGE
TSSOP-24
(TOP VIEW)
(3) NC = No internal connection (ADS8331 only).
(1) NC = No internal connection (ADS8331 only).
(2) Connect thermal pad to analog ground.
10 Copyright © 2009–2012, Texas Instruments Incorporated