MPR121 FREESCALE [Freescale Semiconductor, Inc], MPR121 Datasheet - Page 8

• Manufacturer Part Number: MPR121
• Description: Proximity Capacitive Touch Sensor Controller
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Table 5. AC CHARACTERISTICS
(Typical Operating Circuit,
Table 4. DC Characteristics
(Typical Operating Circuit,
MPR121
8
DC CHARACTERISTICS
This section includes information about power supply requirements and I/O pin characteristics.
AC CHARACTERISTICS
High Supply Voltage
Low 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
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
Output High Voltage
ELE4 - ELE11 (GPIO mode)
Output Low Voltage
ELE4 - ELE11 (GPIO mode)
Power On Reset
8 MHz Internal Oscillator
1 kHz Internal Oscillator
Parameter
Parameter
V
V
DD
DD
and V
and V
V
V
Symbol
REG
REG
I
I
V
OHGPIO
OLGPIO
V
V
IH
IH
V
V
I
I
I
I
I
I
I
I
I
I
V
V
REG
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
TLH
THL
DD
, I
, I
OL
IH
IL
= 1.8 V, T
= 1.8 V, T
IL
IL
Symbol
f
f
H
L
V
V
V
Run1 Mode @ 128 ms sample period
DD
Run1 Mode @ 16 ms sample period
Run1 Mode @ 32 ms sample period
Run1 Mode @ 64 ms sample period
A
Run1 Mode @ 1 ms sample period
Run1 Mode @ 2 ms sample period
Run1 Mode @ 4 ms sample period
Run1 Mode @ 8 ms sample period
DD
DD
A
Peak of measurement duty cycle
= 25°C, unless otherwise noted.)
= 25°C, unless otherwise noted.)
= 2.7 V to 3.6 V: I
= 2.3 V to 2.7 V: I
= 1.8 V to 2.3 V: I
I
OLGPIOD
Conditions
Stop Mode
V
I
V
OL
DD
DD
= 6mA
Conditions
falling
rising
= 1 mA
OHGPIO
OHGPIO
OHGPIO
= -10 mA
= -6 mA
= -3 mA
0.7 x V
V
DD
7.44
0.65
Min
1.71
1.08
0.88
Min
2.5
- 0.5
DD
0.025
0.025
1.35
1.15
Typ
Typ
393
199
102
3.3
1.8
Freescale Semiconductor
54
29
17
11
8
1
8
1
3
0.3 x V
Max
8.56
1.35
0.5V
Max
2.75
1.62
1.42
3.6
0.5
15
1
7
DD
Sensors
Units
MHz
Units
kHz
mA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
pF
μA
pF
V
V
V
V
V
V
V
V
V