STPMS2L-PUR datasheet(25/33 Pages) STMICROELECTRONICS

Nome de Peças	STPMS2L-PUR

Descrição Electrónicos	Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-delta modulator with embedded PGLNA

PDF	33 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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25 / 33 page

STPMS2

Theory of operation

Doc ID 16525 Rev 3

25/33

Hard mode

Soft mode

Internal signal

Description

1CFG[12]

LFC of current channel frequency selector:

– MC[2:0]

Frequency

000

CLK/1024

001 (1)

CLK/512

010

CLK/256

011

CLK/128

100

CLK/64

101 (2)

CLK/64

110 (2)

CLK/64

111 (2)

CLK/64

0CFG[13]

0CFG[14]

CFG[15]

ECHPHFC

High Frequency Chopper of current modulator enable:

ECHPHFC=0: HFC disabled

ECHPHFC=1: HFC enabled (1)

1CFG[16]

HFC of current channel frequency selector

– NC[2:0]

Frequency

000 (2)

CLK/256

001 (2)

CLK/128

010

CLK/256

011 (1)

CLK/128

100

CLK/64

101

CLK/32

110

CLK/16

111

CLK/8

1CFG[17]

0CFG[18]

1CFG[19]

ECHPLFV

Low Frequency Chopper of voltage modulator enable:

ECHPLFV=0: LFV disabled

ECHPLFV=1: LFV enabled (1)

1CFG[20]

LFC of voltage channel frequency selector:

– MV[2:0]

Frequency

000

CLK/1024

001 (1)

CLK/512

010

CLK/256

011

CLK/128

100

CLK/64

101 (2)

CLK/64

110 (2)

CLK/64

111 (2)

CLK/64

0CFG[21]

0CFG[22]

CFG[23]

ECHPHFV

High Frequency Chopper of voltage modulator enable:

ECHPHFC=0: HFV disabled

ECHPHFC=1: HFV enabled (1)

Table 13.

Description of output signals and configuration bits CFG[39:0] (continued)

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