VDRIVE 2.2k HOST WITH SPI INTERFA" />
參數(shù)資料
型號(hào): AD7142ACPZ-500RL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 33/73頁(yè)
文件大?。?/td> 0K
描述: IC CAP-TO-DGTL CONV PROG 32LFCSP
標(biāo)準(zhǔn)包裝: 1
類型: 電容數(shù)字轉(zhuǎn)換器
分辨率(位): 16 b
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行
電壓電源: 單電源
電源電壓: 2.6 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ(5x5)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: AD7142ACPZ-500RL7DKR
AD7142
Rev. A | Page 38 of 72
TYPICAL APPLICATION CIRCUITS
05702-
041
VDRIVE
2.2k
HOST
WITH
SPI
INTERFACE
SS
SCK
MOSI
MISO
INT
VHOST
AVCC, DVCC
1.8V
AVCC, DVCC 2.7V TO 3.6V
0.1F
1F TO 10F
(OPTIONAL)
24
23
22
21
20
19
18
17
9
10
12
11
13
14
15
16
10nF
CIN3
CIN4
CIN5
CIN6
CIN7
CIN8
CIN9
CIN10
CI
N11
CI
N2
AV
CC
SR
C
AG
ND
CI
N12
CI
N13
C
SH
IE
L
D
SR
C
CS
IN
T
SDI
SCLK
VDRIVE
DVCC
DGND1
SDO
DGND2
V
RE
F+
TEST
GP
IO
CI
N0
CI
N1
V
RE
F–
AD7142
32
31
30
29
28
2
7
26
25
1
2
3
4
5
6
7
8
RE
CO
M
E
NDE
D
T
O
CO
NNE
CT
F
L
O
DE
D
P
L
ANE
ARO
UND
SEN
SO
R
S
T
O
G
R
O
U
N
D
SENSOR PCB
SCROLL WHEEL
BUTTON
Figure 57. Typical Application Circuit with SPI Interface
2.2k
SCK
SDO
INT
CIN3
CIN4
CIN5
CIN6
CIN7
CIN8
CIN9
CIN10
CI
N2
CI
N11
AV
CC
SR
C
AG
N
D
CI
N12
CI
N1
3
C
SH
IEL
D
SR
C
ADD1
IN
T
ADD0
SCLK
VDRIVE
DVCC
DGND1
SDA
DGND2
V
RE
F
+
TE
S
T
GP
IO
CI
N0
CI
N1
V
RE
F
AVCC, DVCC
AVCC, DVCC 2.7V TO 3.6V
0.1F
1F TO 10F
(OPTIONAL)
AD7142-1
VDRIVE
2.2k
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
10nF
HOST
WITH
I2C
INTERFACE
VDRIVE
2.2k
RE
C
O
M
E
NDE
D
T
O
CO
NNE
CT
F
L
O
D
E
D
P
L
ANE
A
RO
UND
S
E
NS
O
RS
T
O
G
RO
UND
BUTTON
SLIDER
05
70
2-
0
42
Figure 58. Typical Application Circuit with I2C Interface
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