參數(shù)資料
型號(hào): AD7143ACPZ-1REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 42/57頁(yè)
文件大小: 0K
描述: IC CONV CAP-TO-DGTL PROG 16LFCSP
標(biāo)準(zhǔn)包裝: 5,000
類型: 電容數(shù)字轉(zhuǎn)換器
輸入類型: 邏輯
輸出類型: 邏輯
接口: I²C
電流 - 電源: 1mA
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-VQ
包裝: 帶卷 (TR)
AD7143
Rev. 0 | Page 46 of 56
Table 39. STAGEX Detailed CIN7 Connection Setup Description
Data Bit
Default
Type
Name
Description
[1:0]
X
R/W
CIN7_CONNECTION_SETUP
CIN7 connection setup
00 = CIN7 not connected to CDC inputs
01 = CIN7 connected to CDC negative input
10 = CIN7 connected to CDC positive input
11 = CIN7 connected to BIAS (connect unused CIN inputs)
[13:2]
X
R/W
Unused
[14]
X
R/W
NEG_AFE_OFFSET_DISABLE
Negative AFE offset enable control
0 = enable
1 = disable
[15]
X
R/W
POS_AFE_OFFSET_DISABLE
Positive AFE offset enable control
0 = enable
1 = disable
Table 40. STAGEX Detailed Offset Control Description (X = 0 to 7)
Data Bit
Default
Type
Name
Description
[6:0]
X
R/W
NEG_AFE_OFFSET
Negative AFE offset setting (20 pF range)
1 LSB value = 0.16 pF of offset
[7]
X
R/W
NEG_AFE_OFFSET_SWAP
Negative AFE offset swap control
0 = NEG_AFE_OFFSET applied to CDC negative input
1 = NEG_AFE_OFFSET applied to CDC positive input
[14:8]
X
R/W
POS_AFE_OFFSET
Positive AFE offset setting (20 pF range)
1 LSB value = 0.16 pF of offset
[15]
X
R/W
POS_AFE_OFFSET_SWAP
Positive AFE offset swap control
0 = POS_AFE_OFFSET applied to CDC positive input
1 = POS_AFE_OFFSET applied to CDC negative input
Table 41. STAGEX Detailed Sensitivity Control Description (X = 0 to 7)
Data Bit
Default
Type
Name
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 = 48.47%, 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
R/W
Unused
[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 = 48.47%, 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
R/W
Unused
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