參數(shù)資料
型號: AD7147PACPZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 41/73頁
文件大?。?/td> 0K
描述: IC CAP-TO-DGTL CONV PROG 24LFCSP
標準包裝: 5,000
系列: CapTouch™
類型: 電容數(shù)字轉(zhuǎn)換器
分辨率(位): 16 b
采樣率(每秒): 250k
數(shù)據(jù)接口: 串行,SPI?
電壓電源: 單電源
電源電壓: 2.6 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤,CSP
供應商設備封裝: 24-LFCSP-VQ(4x4)
包裝: 帶卷 (TR)
Data Sheet
AD7147
Rev. D | Page 45 of 72
Table 22. AMB_COMP_CTRL0 Register
Address
Data Bit
Default
Value
Type
Name
Description
0x002
[3:0]
0
R/W
FF_SKIP_CNT
Fast filter skip control (N + 1)
0000 = no sequence of results is skipped
0001 = one sequence of results is skipped for every one
allowed into fast FIFO
0010 = two sequences of results are skipped for every
one allowed into fast FIFO
1011 = maximum value = 12 sequences of results are
skipped for every one allowed into fast FIFO
[7:4]
F
R/W
FP_PROXIMITY_CNT
Calibration disable period in full power mode =
FP_PROXIMITY_CNT × 16 × time for one conversion
sequence in full power mode
[11:8]
F
R/W
LP_PROXIMITY_CNT
Calibration disable period in low power mode =
LP_PROXIMITY_CNT × 4 × time for one conversion
sequence in low power mode
[13:12]
0
R/W
PWR_DOWN_TIMEOUT
Full power to low power mode timeout control
00 = 1.25 × (FP_PROXIMITY_CNT)
01 = 1.50 × (FP_PROXIMITY_CNT)
10 = 1.75 × (FP_PROXIMITY_CNT)
11 = 2.00 × (FP_PROXIMITY_CNT)
[14]
0
R/W
FORCED_CAL
Forced calibration control
0 = normal operation
1 = forces all conversion stages to recalibrate
[15]
0
R/W
CONV_RESET
Conversion reset control (self-clearing)
0 = normal operation
1 = resets the conversion sequence to STAGE0
Table 23. AMB_COMP_CTRL1 Register
Address
Data Bit
Default
Value
Type
Name
Description
0x003
[7:0]
64
R/W
PROXIMITY_RECAL_LVL
Proximity recalibration level; the value is multiplied by
16 to determine actual recalibration level
[13:8]
1
R/W
PROXIMITY_DETECTION_RATE
Proximity detection rate; the value is multiplied by 16 to
determine actual detection rate
[15:14]
0
R/W
SLOW_FILTER_UPDATE_LVL
Slow filter update level
Table 24. AMB_COMP_CTRL2 Register
Address
Data Bit
Default
Value
Type
Name
Description
0x004
[9:0]
3FF
R/W
FP_PROXIMITY_RECAL
Full power mode proximity recalibration time control
[15:10]
3F
R/W
LP_PROXIMITY_RECAL
Low power mode proximity recalibration time control
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