LTC1458 Linear Technology, LTC1458 Datasheet - Page 6

• Manufacturer Part Number: LTC1458
• Description: Quad 12-Bit Rail-to-Rail Micropower DACs
• Manufacturer: Linear Technology

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