Datasheet

Data Sheet AD7294
Rev. H | Page 11 of 48
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
V
IN
0
V
IN
1
V
IN
2
V
IN
3
AGND3
AV
DD
3
REF
OUT
/REF
IN
DAC
NC
DGND
DGND
I
SENSE
2 OVERRANGE
I
SENSE
1 OVERRANGE
DV
DD
DGND
V
DRIVE
OPGND
SCL
SDA
AS0
AS1
AS2
ALERT/BUSY
AGND5
NC
39
38
37
41
40
36
35
34
33
42
43
44
45
46
47
48
10
11
12
8
9
13
14
15
16
7
6
5
4
3
2
1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NC
V
PP
2
V
PP
1
RS1(–)
RS1(+)
NC
AV
DD
5
AV
DD
6
AGND6
AGND7
DCAP
REF
OUT
/REF
IN
ADC
NC
RS2(–)
RS2(+)
NC
AV
DD
1
AGND1
AGND2
AV
DD
2
D2–
D2+
D1+
D1–
PIN 1
INDICATOR
NC = NO CONNECT
AD7294
TQFP
TOP VIEW
(Not to Scale)
DAC OUT GND CD
NC
NC
OFFSET IN A
OFFSET IN B
OFFSET IN C
OFFSET IN D
V
OUT
A
DAC OUT GND AB
DAC OUTV+ AB
V
OUT
B
V
OUT
C
V
OUT
D
AGND 4
AV
DD
4
DAC OUTV+ CD
05747-005
Figure 4. TQFP Pin Configuration
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
42
41
40
39
38
37
36
35
34
33
32
31
30
29
5
6
5
5
5
4
5
3
5
2
5
1
5
0
4
9
4
8
4
7
4
6
4
5
4
4
4
3
AD7294
LFCSP
TOP VIEW
(Not to Scale)
DGND
I
SENSE
2 OVERRANGE
I
SENSE
1 OVERRANGE
DV
DD
DGND
V
DRIVE
OPGND
SCL
SDA
AS0
AS1
AS2
ALERT/BUSY
AGND5
DAC OUT GND CD
OFFSET IN B
OFFSET IN C
OFFSET IN D
V
OUT
A
DAC OUT GND AB
OFFSET IN A
DAC OUTV+ AB
V
OUT
B
V
OUT
C
V
OUT
D
AGND4
AV
DD
4
DAC OUTV+ CD
AGND3
AV
DD
3
REF
OUT
/REF
IN
DAC
NC
RS2(–)
RS2(+)
AV
DD
1
AGND1
AGND2
AV
DD
2
D1(–)
D1(+)
D2(+)
D2(–)
V
IN
0
V
IN
1
V
IN
2
V
IN
3
V
PP
2
V
PP
1
RS1(–)
RS1(+)
NC
AV
DD
5
AGND6
AGND7
DCAP
REF
OUT
/REF
IN
ADC
PIN 1
INDICATOR
05747-004
NOTES
1. NC = NO CONNECT.
2. CONNECT THE EXPOSED PAD TO THE GROUND PLANE OF
THE PCB USING MULTIPLE VIAS.
Figure 5. LFCSP Pin Configuration