SX8652IWLTRT Semtech, SX8652IWLTRT Datasheet - Page 7

• Manufacturer Part Number: SX8652IWLTRT
• Description: IC TOUCH SCREEN CTRLR 14DFN
• Manufacturer: Semtech
• Type: Resistiver

Specifications of SX8652IWLTRT

• Touch Panel Interface: 4-Wire, 5-Wire
• Number Of Inputs/keys: 2 Key
• Resolution (bits): 12 b
• Data Interface: Serial, SPI™
• Data Rate/sampling Rate (sps, Bps): 74k
• Voltage Reference: Internal
• Voltage - Supply: 1.65 V ~ 3.7 V
• Current - Supply: 10mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-DFN
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 74k
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SX8652IWLTR

2.4. Electrical Specifications
All values are valid within the recommended operating conditions unless otherwise specified.
Revision V1.7/October 2010
©2010 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Parameter
Current consumption
Mode = MANUAL
Mode = PENDET
Mode =PENTRIG
Mode=AUTO
Operation @8kSPS, VDD=1.8V
Operation @42kSPS, VDD=3.3V I
Digital I/O
High-level input voltage
Low-level input voltage
Hysteresis
Output Logic High
Output Logic Low
Input leakage current
High ESD Input - Output
capacitance
Input - Output capacitance
I
I
I
I
I
V
V
V
V
V
V
L
C
,C
C
C
,C
C
pwd
pndt
pntr
auto
opl
oph
I
IH
IL
HysLow
HysHigh
OH
OL
X+/BR
AUX
NRST ,
DOUT,
Y+/TR
NCS
Symbol
,C
,C
, C
C
C
DIN
NIRQ
X-/TL
SCLK
Table 5. Electrical Specifications
Y-/BL,
,
Conditions
Converter stopped, pen
detection off, SPI listening,
OSC stopped
Converter stopped, pen
detection activated, device
generates interrupt upon
detection, SPI listening, OSC
stopped
Converter stopped, pen
detection activated, device
starts conversion upon pen
detection. SPI listening, OSC
stopped
Converter stopped, pen
detection off, SPI listening,
OSC on, timer on
VDD > 2V
VDD < 2V
I
I
CMOS input
OH
OL
<2mA
>-2mA
15kV ESD Low Power 4-Wire / 5-Wire Resistive
Page 7
Touchscreen Controller with SPI Interface
V
0.8V
0.8V
Min.
SS
0
-0.3
DD
DD
0.05 V
0.1 V
Typ
105
0.4
0.4
0.4
1.5
23
50
5
DD
DD
V
www.semtech.com
0.2V
DATASHEET
DD
Max
140
0.4
SX8652
50
±1
1
1
1
+0.2
DD
Unit
uA
uA
uA
uA
uA
uA
uA
pF
pF
V
V
V
V
V