參數(shù)資料
型號(hào)： DEMOMPR031
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 18/33頁(yè)
文件大?。?/td> 0K
描述： BOARD DEMO FOR MPR031 CTLR
產(chǎn)品培訓(xùn)模塊： MPR03x - Low-Power Proximity Sensors
視頻文件： DEMOPR031 Touch Sensor
標(biāo)準(zhǔn)包裝： 1
傳感器類型： 觸摸，電容式
接口： I²C
電源電壓： 1.71 V ~ 2.75 V
嵌入式： 否
已供物品： 板
已用 IC / 零件： MPR031
產(chǎn)品目錄頁(yè)面： 2808 (CN2011-ZH PDF)
相關(guān)產(chǎn)品： MPR031EPR2DKR-ND - IC CTLR TOUCH SENSOR 8-DFN
MPR031EPR2CT-ND - IC CTLR TOUCH SENSOR 8-DFN
MPR031EPR2TR-ND - IC CTLR TOUCH SENSOR 8-DFN
MPR03X
Sensors
Freescale Semiconductor
25
A.4
DC Characteristics
This section includes information about power supply requirements and I/O pin characteristics.
1. Parameters tested 100% at final test at room temperature; limits at -40°C and +85°C verified by characterization, not tested in production
2. Limits verified by characterization, not tested in production
A.5
AC Characteristics
1. Parameters tested 100% at final test at room temperature; limits at -40°C and +70°C verified by characterization, not tested in production
2. Limits verified by characterization, not tested in production.
Table 21. DC Characteristics (Temperature Range = –40°C to 85°C Ambient)
(Typical Operating Circuit,
VDD = 1.71 V to 2.75 V, TA = TMIN to TMAX, unless otherwise noted. Typical current values are at
VDD = 1.8 V, TA = +25°C.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Operating Supply Voltage
VDD
1.71
1.8
2.75
V
1
Average Supply Current
IDD
Run1 Mode @ 1 ms sample period
43
57.5
A
2
Average Supply Current
IDD
Run1 Mode @ 2 ms sample period
22
32
A
2
Average Supply Current
IDD
Run1 Mode @ 4 ms sample period
14
19.4
A
2
Average Supply Current
IDD
Run1 Mode @ 8 ms sample period
8
13.3
A
2
Average Supply Current
IDD
Run1 Mode @ 16 ms sample period
6
10.1
A
2
Average Supply Current
IDD
Run1 Mode @ 32 ms sample period
5
8.6
A
2
Average Supply Current
IDD
Run1 Mode @ 64 ms sample period
4
7.8
A
2
Average Supply Current
IDD
Run1 Mode @ 128 ms sample period
4
7.5
A
2
Measurement Supply Current
IDD
Peak of measurement duty cycle
1.25
1.5
mA
2
Idle Supply Current
IDD
Stop Mode
1.5
4
A
1
Electrode Charge Current
Accuracy
ELE_
Relative to nominal values programmed
in Register 0x41
-6
+6
%
1
Electrode Input Working Range
ELE_
Electrode charge current accuracy
within specification
0.7
VDD - 0.7
V
1
Input Leakage Current ELE_
IIH, IIL
0.025
1
A
1
Input Self-Capacitance ELE_
15
pF
2
Input High Voltage SDA, SCL
VIH
0.7 x VDD
V
2
Input Low Voltage SDA, SCL
VIL
0.3 x VDD
V
2
Input Leakage Current
SDA, SCL
IIH, IIL
0.025
1
A
2
Input Capacitance
SDA, SCL
7pF
2
Output Low Voltage
SDA, IRQ
VOL
IOL = 6mA
0.5V
V
1
Power On Reset
VTLH
VDD rising
1.08
1.35
1.62
V
2
VTHL
VDD falling
0.88
1.15
1.42
V
2
AC CHARACTERISTICS
(Typical Operating Circuit, VDD = 1.71V to 2.75V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = 1.8V,
TA = +25°C.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
8 MHz Internal Oscillator
fH
7.44
8
8.56
MHz
1
32 kHz Internal Oscillator
fL
20.8
32
43.2
kHz
1
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