CAP1014 datasheet(13/84 Pages) SMSC

13 / 84 page

Multiple Channel Capacitive Touch Sensor and LED Driver

Datasheet

SMSC CAP1014

Revision 1.65 (08-11-09)

DATASHEET

Capacitive Touch Sensor

Base Capacitance

CBASE

Pad untouched

Detectable

Capacitive Shift

ΔC

TOUCH

0.1

0.4

Pad touched

Sample Time

tTOUCH

2.5

Update Time

Δt

TOUCH

Recalibration Interval

Δt

CAL

Automatic Recalibration active,

no touch active, Default settings

LED / GPIO Drivers (LED / GPIO 1 - 8)

Duty Cycle

DUTYLED

100

Programmable

Sinking Current

ISINK

VOL = 0.4

Sourcing Current

ISOURCE

VOH = VDD - 0.4

Input High Voltage

VIH

2.0

LED / GPIO configured as input

Input Low Voltage

VIL

0.8

LED / GPIO configured as input

LED Drivers (LED 9 - LED 10)

Duty Cycle

DUTYLED

100

Programmable

Sinking Current

ISINK

Output Low Voltage

VOL

0.4

ISINK = 24mA

LED11 Driver

Duty Cycle

DUTYLED

100

Programmable

Sinking Current

ISINK

Output Low Voltage

VOL

0.4

ISINK = 48mA

I/O Pins - SMDATA, SMCLK, and ALERT Pins

Output Low Voltage

VOL

0.4

ISINK_IO = 8mA

Output High Voltage

VOH

VDD -

0.4

ALERT pin active high and

asserted

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

RESET Pin

Input High Voltage

VIH

2.0

Table 2.2 Electrical Specifications (continued)

VDD = 3V to 3.6V, TA = 0°C to 100°C, all Typical values at TA = 27°C unless otherwise noted.

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNIT

CONDITIONS

CAP1014 датащи(PDF) 13 Page - SMSC Corporation

CAP1014 датащи(HTML) 13 Page - SMSC Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84

датащи скачать

ссылки URL