參數(shù)資料
型號: MPR121QR2
廠商: Freescale Semiconductor
文件頁數(shù): 21/27頁
文件大?。?/td> 0K
描述: IC CTLR TOUCH SENSOR 20-QFN
產(chǎn)品培訓(xùn)模塊: MPR121: Low-Power Touch Sensor
產(chǎn)品目錄繪圖: MPR121QR2CT
特色產(chǎn)品: MPR121 Proximity Capacitive Touch Sensor Controller
標(biāo)準(zhǔn)包裝: 1
類型: 電容式,近程傳感器
輸入數(shù)/鍵: 12
評估套件: 可供
數(shù)據(jù)接口: I²C,串行
電源電壓: 1.71 V ~ 3.6 V
電流 - 電源: 29µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-UFQFN
供應(yīng)商設(shè)備封裝: 20-QFN(3x3)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 2808 (CN2011-ZH PDF)
其它名稱: MPR121QR2DKR
MPR121
Sensors
3
Freescale Semiconductor, Inc.
2
Schematic Drawings and Implementation
Figure 1. Power Configuration 1: MPR121 runs from a 1.71V to 2.75V supply.
Figure 2. Power Configuration 2: MPR121 runs from a 2.0V to 3.6V supply.
20
6
5
1
2
3
4
7
19
18
17
16
15
14
13
12
11
10
9
8
VDD
ELE11/LED7
GND
0.1
μF
GND
1.71V to 2.75V
VSS
VREG
IRQ
SCL
SDA
ADDR
REXT
ELE10/LED6
ELE9/LED5
ELE8/LED4
ELE7/LED3
ELE6/LED2
ELE5/LED1
ELE4/LED0
ELE3
ELE2
ELE1
ELE0
MPR121Q
TOUCH SENSOR
75 k
Ω 1%
20
6
5
1
2
3
4
7
19
18
17
16
15
14
13
12
11
10
9
8
VDD
ELE11/LED7
GND
0.1
μF
75 k
Ω 1%
2.0V to 3.6V
VSS
VREG
IRQ
SCL
SDA
ADDR
REXT
ELE10/LED6
ELE9/LED5
ELE8/LED4
ELE7/LED3
ELE6/LED2
ELE5/LED1
ELE4/LED0
ELE3
ELE2
ELE1
ELE0
MPR121Q
TOUCH SENSOR
GND
0.1
μF
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