MPR083

Sensors

Freescale Semiconductor

25

A.4

DC Characteristics

This section includes information about power supply requirements and I/O pin characteristics.

*The MPR083 requires a specific start-up sequence for VDD< 2.0 V. Refer to Section 2.3.9.

A.5

I2C AC Characteristics

This section includes information about I2C AC Characteristics.

Table 21. DC Characteristics (Temperature Range = –40°C to 85°C Ambient)

(Typical Operating Circuit, VDD = 1.8 V* to 3.6 V, TA = TMIN to TMAX, unless otherwise noted. Typical Current values are at VDD = 3.3 V,

TA = +25°C.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Operating Supply Voltage

VDD

1.8*

3.6

V

Run1 mode Current

Irun1

VDD = 1.8 V

1.62

mA

Run2 mode Current

Irun2

VDD = 1.8 V

41

µA

Stop1 mode Current

Istop1

VDD = 1.8 V

1.47

mA

Stop2 mode Current

Istop2

VDD = 1.8 V

2

µA

Input High Voltage

SDA, SCL

VIH

0.7 x VDD

V

Input Low Voltage

SDA, SCL

VIL

0.35 x VDD

V

Input Leakage Current

SDA, SCL

IIH, IIL

0.025

1

µA

Input Capacitance

SDA, SCL

7pF

Output Low Voltage

SDA, IRQ

VOL

IOL = 6mA

0.5V

V

Table 22. I2C AC Characteristics

(Typical Operating Circuit, VDD = 1.8 V to 3.6 V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = 3.3 V,

TA = +25°C.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Serial Clock Frequency (1)

1. Clock Stretching is required for reliable communications

fSCL

100

kHz

Capacitive Load for Each Bus Line

Cb

400

pF