MPR031EP Freescale Semiconductor, MPR031EP Datasheet - Page 25

• Manufacturer Part Number: MPR031EP
• Description: Capacitance Touch Sensors PESCE DFN
• Manufacturer: Freescale Semiconductor

Specifications of MPR031EP

• Package / Case: UDFN-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 21. DC Characteristics (Temperature Range = –40°C to 85°C Ambient)
(Typical Operating Circuit,
V
Sensors
Freescale Semiconductor
A.4
This section includes information about power supply requirements and I/O pin characteristics.
Operating Supply Voltage
Average Supply Current
Average Supply Current
Average Supply Current
Average Supply Current
Average Supply Current
Average Supply Current
Average Supply Current
Average Supply Current
Measurement Supply Current
Idle Supply Current
Electrode Charge Current
Accuracy
ELE_
Electrode Input Working Range
ELE_
Input Leakage Current ELE_
Input Capacitance ELE_
Input High Voltage SDA, SCL
Input Low Voltage SDA, SCL
Input Leakage Current
SDA, SCL
Input Capacitance
SDA, SCL
Output Low Voltage
SDA, IRQ
Power On Reset
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
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.
DD
Table 22. AC CHARACTERISTICS
(Typical Operating Circuit, V
T
8 MHz Internal Oscillator
32 kHz Internal Oscillator
A
= 1.8 V, T
= +25°C.)
DC Characteristics
AC Characteristics
Parameter
Parameter
A
= +25°C.)
V
DD
DD
= 1.71 V to 2.75 V, T
= 1.71V to 2.75V, T
Symbol
I
I
V
V
IH
IH
V
V
I
I
I
I
I
I
I
I
I
V
I
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
TLH
THL
DD
, I
, I
OL
IH
IL
Symbol
IL
IL
f
f
H
L
Run1 Mode @ 1 ms sample period
Run1 Mode @ 2 ms sample period
Run1 Mode @ 4 ms sample period
Run1 Mode @ 8 ms sample period
Run1 Mode @ 16 ms sample period
Run1 Mode @ 32 ms sample period
Run1 Mode @ 64 ms sample period
Run1 Mode @ 128 ms sample
period
Peak of measurement duty cycle
Stop Mode
Relative to nominal values programmed
in Register 0x41
Electrode charge current accuracy
within specification
I
V
V
OL
DD
DD
= 6mA
rising
falling
A
= T
A
= T
MIN
Conditions
MIN
Conditions
to T
to T
MAX
MAX
, unless otherwise noted. Typical current values are at
, unless otherwise noted. Typical values are at V
7.44
20.8
Min
0.7 x V
1.71
1.08
0.88
Min
0.7
-6
Typ
DD
32
8
0.025
0.025
1.25
1.35
1.15
Typ
1.8
1.5
43
22
14
8
6
5
4
4
Max
8.56
43.2
0.3 x V
V
DD
0.5V
Max
2.75
57.5
19.4
13.3
10.1
1.62
1.42
8.6
7.8
7.5
1.5
Units
32
+6
15
MHz
4
1
1
7
kHz
- 0.7
DD
DD
1
1
Units
MPR03X
mA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
pF
μA
pF
%
= 1.8V,
V
V
V
V
V
V
V
25
1
2
2
2
2
2
2
2
2
2
1
1
1
1
2
2
2
2
2
1
2
2