參數(shù)資料
型號(hào): AD7148ACPZ-1REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 41/57頁(yè)
文件大?。?/td> 0K
描述: IC CAP-TO-DGTL CONV PROG 16LFCSP
標(biāo)準(zhǔn)包裝: 5,000
類(lèi)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(lèi)型: 表面貼裝
封裝/外殼: 16-VQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 16-LFCSP
包裝: 帶卷 (TR)
AD7148
Rev. A | Page 45 of 56
Table 38. STAGE7 Configuration Registers
Address
Data
Bit
Default
Value
Type
Mnemonic
Description
0x0B8
[15:0]
X
R/W
STAGE7_CONNECTION_SETUP[6:0]
STAGE7 CIN[6:0] connection setup (see Table 39)
0x0B9
[15:0]
X
R/W
STAGE7_CONNECTION_SETUP[7]
STAGE7 CIN7 connection setup (see Table 40)
0x0BA
[15:0]
X
R/W
STAGE7_AFE_OFFSET
STAGE7 AFE offset control (see Table 41)
0x0BB
[15:0]
X
R/W
STAGE7_SENSITIVITY
STAGE7 sensitivity control (see Table 42)
0x0BC
[15:0]
X
R/W
STAGE7_OFFSET_LOW
STAGE7 initial offset low value
0x0BD
[15:0]
X
R/W
STAGE7_OFFSET_HIGH
STAGE7 initial offset high value
0x0BE
[15:0]
X
R/W
STAGE7_OFFSET_HIGH_CLAMP
STAGE7 offset high clamp value
0x0BF
[15:0]
X
R/W
STAGE7_OFFSET_LOW_CLAMP
STAGE7 offset low clamp value
Table 39. STAGEx Detailed CIN[0:6] Connection Setup Description (x = 0 to 7)
Data
Bit
Default
Value
Type
Mnemonic
Description
[1:0]
X
R/W
CIN0_CONNECTION_SETUP
CIN0 connection setup
00 = CIN0 not connected to CDC inputs
01 = CIN0 connected to CDC negative input
10 = CIN0 connected to CDC positive input
11 = CIN0 connected to BIAS (connect unused CINx inputs)
[3:2]
X
R/W
CIN1_CONNECTION_SETUP
CIN1 connection setup
00 = CIN1 not connected to CDC inputs
01 = CIN1 connected to CDC negative input
10 = CIN1 connected to CDC positive input
11 = CIN1 connected to BIAS (connect unused CINx inputs)
[5:4]
X
R/W
CIN2_CONNECTION_SETUP
CIN2 connection setup
00 = CIN2 not connected to CDC inputs
01 = CIN2 connected to CDC negative input
10 = CIN2 connected to CDC positive input
11 = CIN2 connected to BIAS (connect unused CINx inputs)
[7:6]
X
R/W
CIN3_CONNECTION_SETUP
CIN3 connection setup
00 = CIN3 not connected to CDC inputs
01 = CIN3 connected to CDC negative input
10 = CIN3 connected to CDC positive input
11 = CIN3 connected to BIAS (connect unused CINx inputs)
[9:8]
X
R/W
CIN4_CONNECTION_SETUP
CIN4 connection setup
00 = CIN4 not connected to CDC inputs
01 = CIN4 connected to CDC negative input
10 = CIN4 connected to CDC positive input
11 = CIN4 connected to BIAS (connect unused CINx inputs)
[11:10]
X
R/W
CIN5_CONNECTION_SETUP
CIN5 connection setup
00 = CIN5 not connected to CDC inputs
01 = CIN5 connected to CDC negative input
10 = CIN5 connected to CDC positive input
11 = CIN5 connected to BIAS (connect unused CINx inputs)
[13:12]
X
R/W
CIN6_CONNECTION_SETUP
CIN6 connection setup
00 = CIN6 not connected to CDC inputs
01 = CIN6 connected to CDC negative input
10 = CIN6 connected to CDC positive input
11 = CIN6 connected to BIAS (connect unused CINx inputs)
[15:14]
X
Unused
Set unused register bits to 0
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