S2-LPS datasheet(70/73 Pages) STMICROELECTRONICS

70 / 73 page

List of tables

Table 1.

Description of the external components of the typical application diagrams ............................ 7

Table 2.

Pinout ........................................................................... 8

Table 3.

Absolute maximum ratings ............................................................ 10

Table 4.

Operating range.................................................................... 10

Table 5.

Thermal data...................................................................... 10

Table 6.

Low-power state power consumption ..................................................... 11

Table 7.

Power consumption in reception TA = 25 °C, VDD = 3.3 V, fc = 868 MHz............................. 11

Table 8.

Power consumption in transmission fc= 915 MHz ............................................. 11

Table 9.

Power consumption in transmission fc= 840-868 MHz.......................................... 11

Table 10.

Power consumption in transmission fc= 434 MHz ............................................. 11

Table 11.

Power consumption in transmission fc = 510 MHz ............................................ 11

Table 12.

General characteristics ............................................................... 12

Table 13.

Frequency synthesizer parameters....................................................... 12

Table 14.

Crystal oscillator characteristics ......................................................... 13

Table 15.

Ultra-low power RC oscillator........................................................... 13

Table 16.

RF receiver characteristics ............................................................ 13

Table 17.

Blocking and selectivity at 433 MHz ...................................................... 14

Table 18.

Sensitivity at 433 MHz ............................................................... 14

Table 19.

Blocking and selectivity @ 840-868 MHz................................................... 14

Table 20.

Sensitivity at 840-868 MHz ............................................................ 15

Table 21.

RF transmitter characteristics .......................................................... 15

Table 22.

PA impedance ..................................................................... 15

Table 23.

Regulatory standards ................................................................ 15

Table 24.

Harmonic emission at 433 MHz ......................................................... 16

Table 25.

Harmonic emission at 840-868 MHz ...................................................... 16

Table 26.

Digital SPI input, output and GPIO specification .............................................. 16

Table 27.

Battery indicator and low battery detector .................................................. 17

Table 28.

SMPS output voltage ................................................................ 18

Table 29.

POR parameters ................................................................... 19

Table 30.

Charge pump words ................................................................. 21

Table 31.

Resolution frequency ................................................................ 22

Table 32.

Channel spacing resolution ............................................................ 22

Table 33.

Modulation scheme ................................................................. 22

Table 34.

Constellation mapping 2-(G)FSK ........................................................ 23

Table 35.

Constellation mapping 4-(G)FSK ........................................................ 23

Table 36.

PA Bessel filter words ................................................................ 24

Table 37.

Channel filter words ................................................................. 28

Table 38.

RX timer stop condition configuration ..................................................... 29

Table 39.

CS mode description ................................................................ 30

Table 40.

RCO Frequency.................................................................... 34

Table 41.

States .......................................................................... 35

Table 42.

Commands ....................................................................... 36

Table 43.

Response time .................................................................... 36

Table 44.

BASIC packet format ................................................................ 38

Table 45.

Preamble field selection .............................................................. 38

Table 46.

UART over the air packet format ........................................................ 39

Table 47.

Interrupts list ...................................................................... 43

Table 48.

GPIO digital output functions ........................................................... 44

Table 49.

GPIO digital input functions ............................................................ 45

Table 50.

Table 51.

QFN24L (4x4 mm) package mechanical data ............................................... 63

Table 52.

Exposed pad dimension .............................................................. 64

S2-LPS

List of tables

DS13831 - Rev 1

page 70/73

S2-LPS 데이터시트(PDF) 70 Page - STMicroelectronics

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