Revision V1.7/October 2010

©2010 Semtech Corp.

SX8652

www.semtech.com

Page 7

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

15kV ESD Low Power 4-Wire / 5-Wire Resistive

Touchscreen Controller with SPI Interface

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

Mode = MANUAL

Converter stopped, pen

detection off, SPI listening,

OSC stopped

0.4

1

uA

Mode = PENDET

Converter stopped, pen

detection activated, device

generates interrupt upon

detection, SPI listening, OSC

stopped

0.4

1

uA

Mode =PENTRIG

Converter stopped, pen

detection activated, device

starts conversion upon pen

detection. SPI listening, OSC

stopped

0.4

1

uA

Mode=AUTO

Converter stopped, pen

detection off, SPI listening,

OSC on, timer on

1.5

uA

Operation @8kSPS, VDD=1.8V

23

50

uA

105

140

uA

Digital I/O

High-level input voltage

V

Low-level input voltage

V

Hysteresis

VDD > 2V

V

VDD < 2V

V

Output Logic High

Output Logic Low

0

0.4

V

Input leakage current

CMOS input

±1

uA

High ESD Input - Output

capacitance

50

pF

Input - Output capacitance

5

pF

Table 5. Electrical Specifications