ADS7229 Datasheet, PDF (9/46 Pages) Texas Instruments – LOW-POWER, 12-BIT, 1MHz, SINGLE/DUAL UNIPOLAR INPUT, ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL INTERFACE

ADS7229
ADS7230
www.ti.com........................................................................................................................................................................................................ SBAS437 – MAY 2008
PIN ASSIGNMENTS
ADS7229
RSA PACKAGE (QFN)
(TOP VIEW)
ADS7230
RSA PACKAGE (QFN)
(TOP VIEW)
REF+ (REFIN) 1
NC 2
CONVST 3
EOC/INT/CDI 4
12 RESERVED
11 +VA
10 +VBD
9 SCLK
REF+ (REFIN) 1
NC 2
CONVST 3
EOC/INT/CDI 4
12 +IN1
11 +VA
10 +VBD
9 SCLK
CAUTION: The thermal pad is internally connected to the substrate. This pad can be connected to the analog
ground or left floating. Keep the thermal pad separate from the digital ground, if possible.
ADS7229
PW PACKAGE (TSSOP)
(TOP VIEW)
ADS7230
PW PACKAGE (TSSOP)
(TOP VIEW)
+VA
1
RESERVED
2
+IN
3
-IN
4
AGND
5
REF-
6
REF+ (REFIN)
7
NC
8
16
+VBD
+VA
1
15
SCLK
+IN1
2
14
BDGND
+IN0
3
13
SDO
COM
4
12
SDI
AGND
5
11
FS/CS
REF-
6
10
EOC/INT/CDI
REF+ (REFIN)
7
9
CONVST
NC
8
16
+VBD
15
SCLK
14
BDGND
13
SDO
12
SDI
11
FS/CS
10
EOC/INT/CDI
9
CONVST
NC = No internal connection
Copyright © 2008, Texas Instruments Incorporated
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