Datasheet

6
LTC1458/LTC1458L
12-BIT
DAC C
REGISTER
12-BIT
DAC B
REGISTER
48-BIT SHIFT REGISTER
3
4
5
6
27
26
25
24
23
22
21
20
19
18
17
16
15
DAC B
DAC C
12-BIT
DAC D
REGISTER
LD
12-BIT
DAC A
REGISTER
DAC A
DAC D
LTC1458: 2.048V
LTC1458L: 1.22V
POWER-ON
RESET
X1/X2 C
V
OUT C
CS/LD
D
IN
REFHI C
GND
REFLO C
REFLO D
REFHI D
D
OUT
CLK
NC
V
OUT D
X1/X2 D
V
CC
X1/X2 B
V
OUT B
CLR
REFHI B
GND
REFLO B
REFLO A
REFHI A
REFOUT
NC
V
OUT A
X1/X2 A
V
CC
1
2
7
8
9
10
11
12
13
14
28
REFHI
REFLO
V
OUT
X1/X2
–
+
1458 BD
LD
LD
LD
BLOCK DIAGRA
W