参数资料
型号: SX8725CWLTDT
元件分类: ADC
英文描述: 2-CH 16-BIT PROPRIETARY METHOD ADC, SERIAL/PARALLEL ACCESS, PDSO12
封装: 4 X 4 MM, HALOGEN FREE AND ROHS COMPLIANT, MLPD-12
文件页数: 39/68页
文件大小: 1718K
代理商: SX8725CWLTDT
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
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