參數(shù)資料
型號(hào): AD7747ARUZ-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 11/28頁(yè)
文件大小: 0K
描述: IC CONV CAP TO DIG 24BIT 16TSSOP
標(biāo)準(zhǔn)包裝: 2,500
類型: 電容數(shù)字轉(zhuǎn)換器
分辨率(位): 24 b
數(shù)據(jù)接口: 串行
電壓電源: 單電源
電源電壓: 2.7 V ~ 5.25 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
配用: EVAL-AD7747EBZ-ND - BOARD EVAL FOR AD7747
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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