Datasheet

8 Channel Capacitive Touch Sensor with 8 LED Drivers
Datasheet
SMSC CAP1188 15 Revision 1.32 (01-05-12)
DATASHEET
Leakage Current I
LEAK
±5 uA
powered or unpowered
TA < 85°C
pull-up voltage < 3.6V if
unpowered
I/O Pins
Output Low Voltage V
OL
0.4 V I
SINK_IO
= 8mA
Output High Voltage V
OH
V
DD
-
0.4
V I
SOURCE_IO
= 8mA
Input High Voltage V
IH
2.0 V
Input Low Voltage V
IL
0.8 V
Leakage Current I
LEAK
±5 uA
powered or unpowered
T
A
< 85°C
pull-up voltage < 3.6V if
unpowered
RESET Pin Release
to conversion ready
t
RESET
170 200 ms
SMBus Timing
Input Capacitance C
IN
5 pF
Clock Frequency f
SMB
10 400 kHz
Spike Suppression t
SP
50 ns
Bus Free Time Stop
to Start
t
BUF
1.3 us
Start Setup Time t
SU:STA
0.6 us
Start Hold Time t
HD:STA
0.6 us
Stop Setup Time t
SU:STO
0.6 us
Data Hold Time t
HD:DAT
0 us When transmitting to the master
Data Hold Time t
HD:DAT
0.3 us When receiving from the master
Data Setup Time t
SU:DAT
0.6 us
Clock Low Period t
LOW
1.3 us
Clock High Period t
HIGH
0.6 us
Clock / Data Fall
Time
t
FALL
300 ns Min = 20+0.1C
LOAD
ns
Clock / Data Rise
Time
t
RISE
300 ns Min = 20+0.1C
LOAD
ns
Capacitive Load C
LOAD
400 pF per bus line
Table 2.2 Electrical Specifications (continued)
V
DD
= 3V to 3.6V, T
A
= 0°C to 85°C, all Typical values at T
A
= 27°C unless otherwise noted.
CHARACTERISTIC SYMBOL MIN TYP MAX UNIT CONDITIONS