Datasheet

14
LTC1821
17-Bit Sign Magnitude Output Voltage DAC with Bipolar Zero Error of 140µV (0.92LSB at 17 Bits)
V
CC
15pF
V
–
V
+
0.1µF
0.1µF
LTC1821
R
FB
R
FB
R
OFS
R
OFS
5V
LD
10
3
LTC203AC
21
64
2
15V
141516
9
2
6
3
2
16
117
R1
R
COM
8
REF
11
12
14
0.1µF
I
OUT
22pF
V
OUT
1821 TA03
DGND AGNDF AGNDS
–
+
LT1468
25 TO 36,
3 TO 6
SIGN
BIT
WR
CLR
–
+
16-BIT DAC
R1
R2
16
DATA
INPUTS
LT1236A-10
LD
24 23
718
WR
CLR DNC* DNC*
19
DNC*
21
NC
22
13
15
20
0.1µF
–15V
15V
V
OUT
0.1µF
V
–
V
+
*DO NOT CONNECT
TYPICAL APPLICATION
U