CAP1106 datasheet(8/48 Pages) MICROCHIP

8 / 48 page

CAP1106

DS00001624B-page 8

 2015 Microchip Technology Inc.

TABLE 3-2:

ELECTRICAL SPECIFICATIONS

VDD = 3V to 3.6V, TA = 0°C to 85°C, all typical values at TA = 27°C unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

Conditions

DC Power

Supply Voltage

VDD

3.0

3.3

3.6

Supply Current

ISTBY

120

170

Standby state active

1 sensor input monitored

Default conditions (8 avg, 70ms

cycle time)

ISTBY

Standby state active

1 sensor input monitored

1 avg, 140ms cycle time,

IDSLEEP

515

Deep Sleep state active

No communications

TA < 40°C

3.135 < VDD < 3.465V

IDD

500

600

Capacitive Sensing Active

Capacitive Touch Sensor Inputs

Maximum Base

Capacitance

CBASE

Pad untouched

Minimum Detectable

Capacitive Shift

ΔC

TOUCH

Pad touched - default conditions (1

avg, 35ms cycle time, 1x sensitiv-

ity)

Recommended Cap

Shift

ΔC

TOUCH

0.1

Pad touched - Not tested

Power Supply Rejec-

tion

PSR

±3

±10

counts /

Untouched Current Counts

Base Capacitance 5pF - 50pF

Maximum sensitivity

Negative Delta Counts disabled

All other parameters default

Timing

Time to communica-

tions ready

tCOMM_DLY

Time to first conver-

sion ready

tCONV_DLY

170

200

I/O Pins

Output Low Voltage

VOL

0.4

ISINK_IO = 8mA

Output High Voltage

VOH

VDD - 0.4

ISOURCE_IO = 8mA

Input High Voltage

VIH

2.0

Input Low Voltage

VIL

0.8

Leakage Current

ILEAK

±5

powered or unpowered

TA < 85°C

pull-up voltage < 3.6V if unpowered

SMBus Timing

Input Capacitance

CIN

5pF

Clock Frequency

fSMB

400

kHz

Spike Suppression

tSP

Bus Free Time Stop to

Start

tBUF

1.3

Start Setup Time

tSU:STA

0.6

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