WIRELESS & SENSING

DATASHEET

Revision 1.6

June 27, 2012

© 2012 Semtech Corporation

www.semtech.com

4

SX9500

Ultra Low Power, Capacitive

Four (4) - Channel Proximity/Button

Controller

LIST OF TABLES

Table 1: Pin Description .........................................................................................................................................6

Table 2: Absolute Maximum Ratings ....................................................................................................................7

Table 3: Recommended Operating Conditions ....................................................................................................7

Table 4: Thermal Characteristics...........................................................................................................................7

Table 5: Electrical Characteristics.........................................................................................................................9

Table 6: I2C Timing Specification........................................................................................................................10

Table 7: I2C Sub-Address Selection....................................................................................................................12

Table 8: CPS_Digital_GAIN ..................................................................................................................................18

Table 10: Cap Sensor Threshold .........................................................................................................................19

Table 11: CPS_HYST.............................................................................................................................................20

Table 12: CPS_AVGDEB .......................................................................................................................................20

Table 13: Sampling Frequency Control ..............................................................................................................21

Table 14: CPS Resolution Factor.........................................................................................................................21

Table 15: Scan Period, Register 0x06 .................................................................................................................22

Table 16: Register Overview ................................................................................................................................28