LTC1667 Linear Technology Corporation, LTC1667 Datasheet - Page 10

• Manufacturer Part Number: LTC1667
• Description: Ltc1667 - 12-bit, 14-bit, 16-bit, 50msps Dac
• Manufacturer: Linear Technology Corporation

BLOCK DIAGRA
LTC1666/LTC1667/LTC1668
TI I G DIAGRA
10
W
0.1 F
U
0.1 F
V
REF
R
2k
SET
0.1 F
15
16
21
22
–5V
REFOUT
I
COMP1
COMP2
REFIN
W
W
+
–
23
V
I
OUT A
SS
0.1 F
REFERENCE
/I
INPUT
DATA
2.5V
AGND
OUT B
CLK
17
I
INT
DGND
I
FS
N – 1
24
/8
CLOCK
INPUT
26
CLK
t
CLKL
LSB SWITCHES
ATTENUATOR
N – 1
LADDER
LTC1668
t
DS
V
DB15
5V
DD
25
CURRENT SOURCE ARRAY
INPUT LATCHES
DATA INPUT
• • •
27
N
16-BIT
• • •
• • •
0.1 F
t
t
DH
PD
SEGMENTED SWITCHES
t
CLKH
14
FOR DB15–DB12
DB0
t
ST
• • •
N + 1
N
LADCOM
1666/7/8 TD
I
I
OUT A
OUT B
1668
0.1%
BD
18
20
19
52.3
52.3
+
–
V
1V
DIFFERENTIAL
OUT
P-P