參數(shù)資料
型號(hào): LTC6421IUDC-20#PBF
廠商: Linear Technology
文件頁數(shù): 4/16頁
文件大?。?/td> 0K
描述: IC ADC DRIVER DIFF 20-QFN
標(biāo)準(zhǔn)包裝: 91
類型: ADC 驅(qū)動(dòng)器
應(yīng)用: 數(shù)據(jù)采集
安裝類型: 表面貼裝
封裝/外殼: 20-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 20-QFN(3x4)
包裝: 管件
產(chǎn)品目錄頁面: 1323 (CN2011-ZH PDF)
LTC6421-20
12
642120fb
APPLICATIONS INFORMATION
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+
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
ENABLEA
V+ BVOCMB
+OUTB
ENABLEB
C42
0.1μF
C14
4.7μF
C15
1μF
V+
VERSION
–A
–B
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]
T2
[2]
T1
U1
[2]
LTC6421-20
Figure 4b. Demo Circuit 1299 Schematic (Test Circuit A)
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