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STPMS2L-PUR Datasheet(PDF) 26 Page - STMicroelectronics

Part # STPMS2L-PUR
Description  Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-delta modulator with embedded PGLNA
PDF  33 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPMS2L-PUR Datasheet(HTML) 26 Page - STMicroelectronics

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Theory of operation
STPMS2
26/33
Doc ID 16525 Rev 3
Hard Mode
Soft mode
Internal signal
Description
1CFG[24]
NV
HFC of voltage channel frequency selector:
– NV[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[25]
0CFG[26]
1
CFG[27]
EPRSC
Current modulator pseudo random signals enable:
EPRSC=0: PRSC disabled
EPRSC=1: PRSC enabled (1)
1
CFG[28]
EPRSV
Voltage modulator pseudo random signals enable:
EPRSV=0: PRSV disabled
EPRSV=1: PRSV enabled (1)
0
CFG[29]
-
Reserved
0
CFG[30]
-
Reserved
0
CFG[31]
-
Reserved
0CFG[32]
DTMC
DAT and DAT output signal selector:
– DTMC[5:0]
pdV
domul
DAT
DATn
00XXXX
0
0
bsV
bsC
00XXXX
0
1
(bsV,bsC)
(bsVn,bsCn)
00XXXX
1
0
bsC
bsCn
00XXXX
1
1
bsC
bsCn
01XX00
0
0
bsV
LFC
01XX01
0
1
(bsV,bsC)
HFC
01XX10
1
0
bsC
BISTC
01XX11
1
1
bsC
PRSC
1000XX
0
0
LFV
bsC
1001XX
0
1
HFV
(bsVn,bsCn)
1010XX
1
0
BISTV
bsCn
1011XX
1
1
PRSV
bsCn
110000
X
X
LFV
LFC
110101
X
X
HFV
HFC
111010
X
X
BISTV
BISTC
111111
X
X
PRSV
PRSC
0CFG[33]
0CFG[34]
0CFG[35]
0CFG[36]
0CFG[37]
0
CFG[38]
-
Reserved
0
CFG[39]
-
Reserved
1.
Default value for Hard mode
2.
Combinations not used
Table 13.
Description of output signals and configuration bits CFG[39:0] (continued)



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