參數(shù)資料
型號(hào): DAC8222FPZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 5/15頁(yè)
文件大?。?/td> 0K
描述: IC DAC 12BIT DUAL W/BUFF 24DIP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 15
設(shè)置時(shí)間: 1µs
位數(shù): 12
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 24-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 24-PDIP
包裝: 管件
輸出數(shù)目和類型: 2 電流,單極;2 電流,雙極
采樣率(每秒): 1M
DAC8222
–13–
REV. C
Figure 27. Single Supply Operation (Voltage Switching Mode)
Figure 28. Digitally-Programmable Window Detector (Upper/Lower Limit Detector)
BASIC APPLICATIONS
PROGRAMMING WINDOW DETECTOR
Figure 28 shows the DAC8222 used in a programmable window
detector configuration. The required upper and lower limits for
the test are loaded into
DAC A and DAC B. If a signal at the
test input is not within the programmed limits, the output will
indicate a logic zero.
MICROPROCESSOR INTERFACE CIRCUITS
The DAC8222’s versatile loading structure greatly simplifies in-
terfacing to 16-bit bus systems; it also reduces the number of
“glue” logic components. Data loading into its 12-bit wide data
input is achieved by use of only two control signals,
WR and
LDAC. DAC selection is controlled with a single DAC A/DAC B
line.
Figures 29 and 30 show how easily the DAC8222 interfaces
with the 8086 and 68000 16-bit microprocessors.
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