參數(shù)資料
型號: AD5790BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 15/28頁
文件大?。?/td> 0K
描述: IC DAC VOLT OUT 20BIT 24LFCSP
標(biāo)準包裝: 1
設(shè)置時間: 2.5µs
位數(shù): 20
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 24-LFCSP-VQ EP(4x5)
包裝: 托盤
輸出數(shù)目和類型: 1 電壓,雙極
AD5790
Data Sheet
Rev. D | Page 22 of 28
Software Control Register
This is a write only register in which writing a 1 to a particular bit has the same effect as pulsing the corresponding pin low.
Table 13. Software Control Register
MSB
LSB
DB23
DB22
DB21
DB20
DB19 to DB3
DB2
DB1
DB0
R/W
Register address
Software control register data
0
1
0
Reserved
Reset
LDAC2
1
The CLR function has no effect when the LDAC pin is low.
2
The LDAC function has no effect when the CLR pin is low.
Table 14. Software Control Register Functions
Bit Name
Description
LDAC
Setting this bit to 1 updates the DAC register and consequently the DAC output.
CLR
Setting this bit to 1 sets the DAC register to a user defined value (see Table 12) and updates the DAC output. The output
value depends on the DAC register coding that is being used, either binary or twos complement.
Reset
Setting this bit to 1 returns the AD5790 to its power-on state.
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