www.semtech.com/products/ Page 44 ADVANCED COMMUNICATIONS & SENSING DATASHEET SX8725C ZoomingADC fo" />
參數(shù)資料
型號(hào): SX8725CWLTDT
廠商: Semtech
文件頁(yè)數(shù): 39/68頁(yè)
文件大小: 0K
描述: IC DAS ADC 16BIT I2C/SRL
標(biāo)準(zhǔn)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-WDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 12-MLPD-EP(4x4)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: SX8725CWLTDTDKR
www.semtech.com/products/
Page 44
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
SX8725C
ZoomingADC for sensing data acquisition
Revision 1.01
January 2011
Semtech
10.2.3 ZADC Registers
Table 27.
RegExtAdd[0x43]
Bit
Bit Name
Mode
Reset
Description
7:0
ExternalRd
rw
00000000
Write the 0x96 value into this register to set the two LSbits of the I2C address
by external (D0 and D1).
Table 28.
RegACOutLsb[0x50]
Bit
Name
Mode
Reset
Description
7:0
Out[7:0]
r
00000000
LSB of the ADC result
Table 29.
RegACOutMsb[0x51]
Bit
Name
Mode
Reset
Description
7:0
Out[15:8]
r
00000000
MSB of the ADC result
Table 30.
RegACCfg0[0x52]
Bit
Name
Mode
Reset
Description
7
Start
rw
0
Starts an ADC conversion
6:5
SetNelconv
rw
01
Sets the number of elementary conversion to 2
SetNelconv.
To compensate for offset the signal is chopped between elementary
conversion.
4:2
SetOsr
rw
010
Sets the ADC over-sampling rate of an elementary conversion to 2
3+SetOsr.
1
Continuous
rw
0
Sets the continuous ADC conversion mode
0-
r
0
Reserved
Table 31.
RegACCfg1[0x53]
Bit
Name
Mode
Reset
Description
7:6
IbAmpAdc
rw
11
Bias current selection for the ADC
5:4
IbAmpPga
rw
11
Bias current selection for the PGA
3
Enable
rw
0
PGA3 enable
2
rw
0
PGA2 enable
1
rw
0
PGA1 enable
0rw
0
ADC enable
Not
Recommended
for
New
Designs
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