參數(shù)資料
型號： CAP1028-1-BP-TR
廠商： STANDARD MICROSYSTEMS CORP
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, QCC20
封裝： 4 X 4 MM, ROHS COMPLAINT, QFN-20
文件頁數(shù)： 4/69頁
文件大?。?/td> 948K
代理商： CAP1028-1-BP-TR
8 Channel Capacitive Touch Sensor with 2 LED Drivers
Datasheet
Revision 1.0 (06-16-09)
12
SMSC CAP1028
DATASHEET
Supply Current
ISTBY
135
170
uA
Standby state active,
2 sensors monitored
1 LED active
Default conditions (8 avg, 70ms
cycle time)
IDSLEEP
TBD
uA
Deep Sleep state active
LEDs at 100% or 0% Duty Cycle
No communications
TA < 85°C
IDD
300
500
uA
Average current
Capacitive Sensing Active,
LEDs enabled
Capacitive Touch Sensor
Base Capacitance
CBASE
5
50
pF
Pad untouched
Detectable
Capacitive Shift
ΔC
TOUCH
0.1
2
pF
Pad touched
LED Drivers
Duty Cycle
DUTYLED
0
100
%
Programmable
Sinking Current
ISINK
24
mA
VOL = 0.4
Sourcing Current
ISOURCE
24
mA
VOH = VDD - 0.4
I/O Pins - SPI_CS#, RESET, WAKE / SPI_MOSI, and ALERT# pins
Output Low Voltage
VOL
0.4
V
ISINK_IO = 4mA
Output High Voltage
VOH
VDD -
0.4
V
WAKE pin only
ISOURCE_IO = 4mA
Input High Voltage
VIH
2.0
V
Input Low Voltage
VIL
0.8
V
Leakage Current
ILEAK
±5
uA
powered or unpowered
TA < 85°C
SMDATA / BC_DATA / SPI_MSIO / SPI_MISO and SMCLK / BC_CLK / SPI_CLK pins
Output Low Voltage
VOL
0.4
V
ISINK_IO = 8mA
Output High Voltage
VOH
VDD -
0.4
VISOURCE_IO = 8mA
Input High Voltage
VIH
2.0
V
Input Low Voltage
VIL
0.8
V
Leakage Current
ILEAK
±5
uA
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V
SMBus First
Communication
tSMB
15
ms
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
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