参数资料
型号: EVAL-AD7747EBZ
厂商: Analog Devices Inc
文件页数: 11/28页
文件大小: 0K
描述: BOARD EVAL FOR AD7747
标准包装: 1
传感器类型: 触摸,电容式
接口: I²C
电源电压: 2.7 V ~ 5.25 V
嵌入式:
已供物品: 板,缆线,CD
已用 IC / 零件: AD7747
产品目录页面: 781 (CN2011-ZH PDF)
相关产品: AD7747ARUZ-REEL7-ND - IC CONV CAP TO DIG 24BIT 16TSSOP
AD7747ARUZ-REEL-ND - IC CONV CAP TO DIG 24BIT 16TSSOP
AD7747ARUZ-ND - IC CONV 24BIT CAP-DGTL 16-TSSOP
AD7747
Rev. 0 | Page 19 of 28
CAP DAC A REGISTER
Address Pointer 0x0B, Default Value 0x00
Capacitive DAC setup.
Table 19. Cap DAC A Register Bit Map
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Mnemonic
DACAENA
DACA—6-Bit Value
Default
0
0x00
Table 20.
Bit
Mnemonic
Description
7
DACAENA
DACAENA = 1 connects capacitive DACA to the positive capacitance input.
6
This bit must be 0 for proper operation.
5 to 1
DACA
DACA value, Code 0x00
≈ 0 pF, Code 0x3F ≈ full range.
CAP DAC B REGISTER
Address Pointer 0x0C, Default Value 0x00
Capacitive DAC setup.
Table 21. Cap DAC B Register Bit Map
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Mnemonic
DACBENB
DACB—6-Bit Value
Default
0
0x00
Table 22.
Bit
Mnemonic
Description
7
DACBENB
DACBENB = 1 connects capacitive DACB to the negative capacitance input.
6
This bit must be 0 for proper operation.
5 to 1
DACB
DACB value, Code 0x00
≈ 0 pF, Code 0x3F ≈ full range.
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