参数资料
型号: LTC6420IUDC-20#PBF
厂商: Linear Technology
文件页数: 2/14页
文件大小: 0K
描述: IC DIFF AMP/ADC DRIVER DL 20QFN
标准包装: 91
类型: ADC 驱动器
应用: 数据采集
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN(3x4)
包装: 管件
LTC6420-20
10
642020fb
APPLICATIONS INFORMATION
Figure 4a. Top Silkscreen of DC1299, Test Circuit A
Figure 4b. Demo Circuit 1299 Schematic (Test Circuit A)
642020 F04b
R7
OPT
R5
[2]
R9
[2]
C25
0.1μF
C22
0.1μF
C22
[1]
C21
[1]
C22
0.1μF
+INA
–INA
R11
OPT
R10
[2]
R12
[2]
C34
0.1μF
C31
[1]
C30
0.1μF
C30
0.1μF
C22
[1]
–INB
+INB
C18
0.1μF
C19
0.1μF
V+
C18
0.1μF
C19
0.1μF
V+
R1
1.21k
1%
R2
1k
1%
V+
R16
1.21k
1%
R18
1k
1%
C16
0.1μF
TD4
VOCMA
TD5
GND
TD3
GND
TD2
V+
2.85V TO
3.5V
C35
1000pF
C32
1000pF
C30
0.1μF
C34
[1]
C17
[1]
C28
0.1μF
TD1
VOCMB
R5
[1]
R3
1.5k
1%
V+
R17
1.5k
1%
C43
0.1μF
1
2
3
5
4
12
T2
TCM4-19+
C39
0.1μF
+OUTA
–OUTA
C35
[1]
C40
0.1μF
C32
0.1μF
C41
[1]
R14
[1]
C44
0.1μF
1
2
3
5
4
12
T4
TCM4-19+
–OUTB
+OUTB
+INA
–INA
V
–INB
+INB
–OUTA
V+A
V
V+B
–OUTB
V+AVOCMA
+OUTA
ENB
V+B
V
VOCMB
+OUTB
ENA
C42
0.1μF
C14
4.7μF
C15
1μF
V+
VERSION
–C
–G
U1
LTC6420CUDC-20
LTC6421CUDC-20
R5, R9, R10, R13
NONE
T1, T3
TCM4-19+
NOTES: UNLESS OTHERWISE SPECIFIED
[1] DO NOT STUFF
[2]
R4
88.7
R5
88.7
R12
88.7
R15
88.7
ENA
JP1
DIS
EN
3
4
5
6
2
116
15
14
13
12
11
21
7
8
9
10
20
19
18
17
1
2
3
V+ ENB
JP2
DIS
EN
1
2
3
J1
J2
J5
J7
J3
J4
J6
J8
1
2
3
5
4
1
2
3
5
4
12
[2]
T3
[2]
T1
U1
[2]
LTC6420-20
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