參數(shù)資料
型號: SX8725E083TRT
廠商: Semtech
文件頁數(shù): 27/53頁
文件大?。?/td> 0K
描述: IC DAS PRESSURE/TEMP SENS 12MLPD
標準包裝: 1
系列: ZoomingADC™
類型: 數(shù)據(jù)采集系統(tǒng)(DAS)
輸入類型: 差分
輸出類型: 數(shù)字
接口: I²C
安裝類型: 表面貼裝
封裝/外殼: 12-WFDFN 裸露焊盤
供應商設備封裝: 12-MLPD
包裝: 標準包裝
配用: XE8000EV121-ND - BOARD EVAL FOR SX8723/24
其它名稱: SX8725E083DKR
ADVANCED COMMUNICATIONS & SENSING
V1.8 2009 Semtech Corp.
www.semtech.com
33
SX8725
ZoomingADC for Pressure and Temperature Sensing
Application Hints
Recommended Operation Mode and Registers Settings
Operation Mode
Parameter
Value
Units
Analog multiplexers
VMUX
VBATT
AMUX
VINP = AC3 & VINN = AC2
PGA
PGA1 Gain
OFF
V/V
PGA2 Gain
OFF
V/V
PGA3 Gain
1
V/V
Total Offset
0
V/V
PGA2 Offset
OFF
V/V
PGA3 Offset
0
V/V
ADC Bias
50
%
PGA Bias
50
%
ADC
fs
250
kHz
Resolution
16
Bits
OSR
512
OverSamples / ElementaryConversion
NELCONV
2
ElementaryConversion / Conversion
Continuous mode
ON
-
Table 30 - Recommended Operation Mode Values
Registers Settings
Bit Position
Register Name
7
6
5
4
3
2
1
0
Hexadecimal
Value
RegACOutLsb
OUT[7:0]
XXXXXXXX
RegACOutMsb
OUT[15:8]
XXXXXXXX
RegACCfg0
START
0
SET_NELC[1:0]
01
SET_OSR[2:0]
110
CONT
1
-
0
0x3A
RegACCfg1
IB_AMP_ADC[1:0]
01
IB_AMP_PGA[1:0]
01
ENABLE[3:0]
1001
0x59
RegACCfg2
FIN[1:0]
10
PGA2_GAIN[1:0]
PGA2_OFFSET[3:0]
0000
0x80
RegACCfg3
PGA1_G
0
PGA3_GAIN[6:0]
0001100
0x0C
RegACCfg4
-
0
PGA3_OFFSET[6:0]
0000000
0x00
RegACCfg5
BUSY
0
DEF
0
AMUX[4:0]
00001
VMUX
0
0x02
Table 31 - Registers Settings
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