参数资料
型号: DC245A-A
厂商: Linear Technology
文件页数: 9/24页
文件大小: 0K
描述: BOARD EVAL LTC1668
设计资源: DC245A Design File
DC245A Schematic
标准包装: 1
DAC 的数量: 1
位数: 16
采样率(每秒): 50M
数据接口: 并联
设置时间: 20ns
DAC 型: 电流
工作温度: 0°C ~ 70°C
已供物品:
已用 IC / 零件: LTC1668
相关产品: LTC1668CG#PBF-ND - IC DAC 16BIT 50MSPS 28-SSOP
LTC1668IG#PBF-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
LTC1668CG#TRPBF-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
LTC1668IG#TRPBF-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
LTC1668IG-ND - IC DAC 16BIT 50MSPS 28SSOP
LTC1668IG#TR-ND - IC DAC 16BIT 50MSPS 28SSOP
LTC1668CG#TR-ND - IC DAC 16BIT 50MSPS 28SSOP
LTC1668CG-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
17
LTC1666/LTC1667/LTC1668
APPLICATIO S I FOR ATIO
WU
UU
Figure
10.
Suggested
Evaluation
Circuit
J4
V
OUT
J5
I OUT
B
J6
EXTCLK
JP9
12
3
15
16
R3
1.91k
0.1%
R2
200
JP1
C17
0.1
F
LTC1668
20
19
21
22
23
18
C7
0.1
F
5V
–5
V
TP5
TESTPOINT
WHT
C3
0.1
F
C18
0.1
F
25
17
24
C10
0.1
F
C11
0.1
F
R9
50
0.1%
R12
49.9
1%
JP6
R10
50
0.1%
C12
22pF
C12
22pF
C9
0.1
F
C8
0.1
F
C8
0.1
F
JP5
TP3
TESTPOINT
WHT
JP7
JP3
R5
R6
R7
110
JP4
JP2
5V
REFOUT
REFIN
27
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
26
DB15
(MSB)
DB14
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
(LSB)
CLK
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
I OUT
A
I OUT
B
COMP1
COMP2
V
SS
LADCOM
V
DD
AGND
DGND
R4
J2
I OUT
A
C4
R8
3
2
1
4
T1
MINI-
CIRCUITS
T1–1T
6
C5
JP8
TP4
TESTPOINT
WHT
2
4
6
1
3
5
RN5
+
5VD
22
+
5VD
J7
J10
TP6
TESTPOINT
RED
4
2
5V
6
LT1460DCS8-2.5
AMP
102159-9
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
RN6
22
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
TP2
TESTPOINT
WHT
2.5V
REF
TP10
TESTPOINT
BLK
TP1
V
IN
V
OUT
GND
C2
0.1
F
C1
0.1
F
J1
EXTREF
R1
10
+
C19
0.1
F
C14
10
F
25V
–5
V
AGND
DGND
J9
TP8
TESTPOINT
RED
GROUND
PLANE
TIE
POINT
+
C20
0.1
F
C16
10
F
25V
1666/7/8
F11
C22
0.1
F
+5
V
A
J8
J11
TP7
TESTPOINT
RED
TP9
TESTPOINT
BLK
+
C23
0.1
F
C15
10
F
25V
C21
0.1
F
OPTIONAL
SIP
PULL-UP/
PULL-DOWN
RESISTORS
(NOT
INST
ALLED)
OPTIONAL
SIP
PULL-UP/
PULL-DOWN
RESISTORS
(NOT
INST
ALLED)
+
5VD
R16
0
R15
0
R14
0
R13
0
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