參數(shù)資料
型號(hào): AD7148ACPZ-1500RL7
廠商: Analog Devices Inc
文件頁數(shù): 43/57頁
文件大小: 0K
描述: IC CAP-TO-DGTL CONV PROG 16LFCSP
標(biāo)準(zhǔn)包裝: 1
類型: 電容性
觸摸面板接口: 2 線
輸入數(shù)/鍵: 8
分辨率(位): 16 b
數(shù)據(jù)接口: I²C,串行
數(shù)據(jù)速率/采樣率 (SPS,BPS): 250k
電壓基準(zhǔn): 內(nèi)部
電源電壓: 2.6 V ~ 3.3 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 16-LFCSP
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 781 (CN2011-ZH PDF)
其它名稱: AD7148ACPZ-1500RL7DKR
AD7148
Rev. A | Page 47 of 56
Table 42. STAGEx Detailed Sensitivity Control Description (x = 0 to 7)
Data
Bit
Default
Value
Type
Mnemonic
Description
[3:0]
X
R/W
NEG_THRESHOLD_SENSITIVITY
Negative threshold sensitivity control
0000 = 25%, 0001 = 29.73%, 0010 = 34.40%, 0011 = 39.08%
0100 = 43.79%, 0101 = 48.48%, 0110 = 53.15%
0111 = 57.83%, 1000 = 62.51%, 1001 = 67.22%
1010 = 71.90%, 1011 = 76.58%, 1100 = 81.28%
1101 = 85.96%, 1110 = 90.64%, 1111 = 95.32%
[6:4]
X
R/W
NEG_PEAK_DETECT
Negative peak detect setting
000 = 40% level, 001 = 50% level, 010 = 60% level
011 = 70% level, 100 = 80% level, 101 = 90% level
[7]
X
Unused
Set to 0
[11:8]
X
R/W
POS_THRESHOLD_SENSITIVITY
Positive threshold sensitivity control
0000 = 25%, 0001 = 29.73%, 0010 = 34.40%, 0011 = 39.08%
0100 = 43.79%, 0101 = 48.48%, 0110 = 53.15%
0111 = 57.83%, 1000 = 62.51%, 1001 = 67.22%
1010 = 71.90%, 1011 = 76.58%, 1100 = 81.28%
1101 = 85.96%, 1110 = 90.64%, 1111 = 95.32%
[14:12]
X
R/W
POS_PEAK_DETECT
Positive peak detect setting
000 = 40% level, 001 = 50% level, 010 = 60% level
011 = 70% level, 100 = 80% level, 101 = 90% level
[15]
X
Unused
Set to 0
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