Datasheet

___________________________________________________Pin Configurations (continued)
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
OUT2
OUT3
REF2
N.C.
N.C.
REF1
OUT0
OUT1
TOP VIEW
REF3
V
DD
N.C.
AD2
DGND
N.C.
AGND
REF0
12
11
9
10
AD1
AD0
SDA
SCL
SSOP
MAX520
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
OUT2
OUT3
REF2
REF3
REF0
REF1
OUT0
OUT1
REF4
V
DD
AD1
AD0
SDA
SCL
AGND
DGND
12
11
9
10
OUT7
OUT6
OUT5
OUT4
DIP
MAX521
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
OUT2
OUT3
REF2
REF3
REF0
REF1
OUT0
OUT1
N.C.
REF4
V
DD
AD1
SCL
N.C.
AGND
DGND
16
15
14
13
9
10
11
12
N.C.
AD0
OUT7
OUT6
OUT5
OUT4
SDA
N.C.
SO/SSOP
MAX521
________________________________________________Functional Diagrams (continued)
MAX520/MAX521
Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
______________________________________________________________________________________ 17
INPUT
LATCH 0
8-BIT
SHIFT REGISTER
8
SCL REF0REF1SDA REF2
OUTPUT
LATCH 0
DAC0
OUT0
1
MAX521
INPUT
LATCH 1
8
OUTPUT
LATCH 1
DAC1
OUT1
ADDRESS
COMPARATOR
1
START/STOP
DETECTOR
DECODE
INPUT
LATCH 2
8
OUTPUT
LATCH 2
DAC2
OUT2
1
INPUT
LATCH 3
8
OUTPUT
LATCH 3
DAC3
OUT3
8
8
INPUT
LATCH 4
8
OUTPUT
LATCH 4
DAC4
OUT4
INPUT
LATCH 5
8
OUTPUT
LATCH 5
DAC5
OUT5
INPUT
LATCH 6
8
OUTPUT
LATCH 6
DAC6
OUT6
INPUT
LATCH 7
8
OUTPUT
LATCH 7
DAC7
OUT7
REF4REF3AD1AD0
1
1
1
1
1