SX8650 Datasheet, PDF (11/56 Pages) Semtech Corporation – World’s Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller with 15kV ESD

SX8650
World’s Lowest Power & Smallest Footprint 4-wire
Resistive Touchscreen Controller with 15kV ESD
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
2.4. Electrical Specifications
All values are valid within the recommended operating conditions unless otherwise specified.
Parameter
Symbol Conditions
Min.
Typ
Max
Unit
Current consumption
Manual
I_pwd
Manual (converter stopped, pen
detection off, I2C listening, OSC
stopped)
0.4
0.75
uA
Pen Detect
I_pndt
Pen detect mode (converter
stopped, pen detection activated,
device will generate interrupt upon
detection, I2C listening, OSC
stopped).
0.4
0.75
uA
Pen Trigger
I_pntr
Pen trigger mode (converter
stopped, pen detection activated,
device will start conversion upon
pen detection. I2C listening, OSC
stopped
0.4
0.75
uA
Automatic
I_wt
Automatic (converter stopped, pen
1.5
uA
detection off, I2C listening, OSC and
timer on, device is waiting for timer
expiry)
Operation @8kSPS, VDD=1.8V I_opl
X,Y Conv. RATE=4kSPS, N_filt=1
PowDly=0.5us, SetDly=0.5us
23
50
uA
Operation @42kSPS, VDD=3.3V I_oph
X,Y Conv. RATE=3kSPS, N_filt=7
PowDly=0.5us, SetDly=0.5us
105
140
uA
Digital I/O
High-level input voltage
V_IH
0.7V_DD
V_DD+0.5
V
Low-level input voltage
V_IL
V_SS-0.3
0.3V_DD
V
SDA / SCL Hysteresis of Schmitt V_hys
trigger inputs
VDD > 2 V
VDD < 2 V
0.05V_DD
V
0.1V_DD
Low-level output voltage
V_OL
I_OL=3mA, V_DD>2V
I_OL=3mA, V_DD<2V
0
0.4
0
0.2V_DD
V
Input leakage current
L_I
CMOS input
±1
uA
AUX
Input voltage range
V_IAUX
0
V_DD
V
Table 5. Electrical Specifications
ACS Revision V2.15/October 2009
©2009 Semtech Corp.
Page 10
www.semtech.com