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參數資料
型號: AD7845JR
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: LC2MOS Complete 12-Bit Multiplying DAC
中文描述: PARALLEL, WORD INPUT LOADING, 2.5 us SETTLING TIME, 12-BIT DAC, PDSO24
封裝: SOIC-24
文件頁數: 11/12頁
文件大?。?/td> 193K
代理商: AD7845JR
AD7845
REV. B
–11–
Figure 23 and 24 are the interface circuits for the Z80 and
MC6809 microprocessors. Again, these use the same basic
format as the 8085A interface.
Figure 23. AD7845 to Z80 Interface
Figure 24. MC6809 Interface
DIGITAL FEEDTHROUGH
In the preceding interface configurations, most digital inputs to
the AD7845 are directly connected to the microprocessor bus.
Even when the device is not selected, these inputs will be con-
stantly changing. The high frequency logic activity on the bus
can feed through the DAC package capacitance to show up as
noise on the analog output. To minimize this digital feedthrough
isolate the DAC from the noise source. Figure 25 shows an
interface circuit which uses this technique. All data inputs are
latched from the busy by the
CS
signal. One may also use other
means, such as peripheral interface devices, to reduce the digital
feedthrough.
Figure 25. AD7845 Interface Circuit Using Latches to
Minimize Digital Feedthrough
相關PDF資料
PDF描述
AD7845KN LC2MOS Complete 12-Bit Multiplying DAC
AD7845KP LC2MOS Complete 12-Bit Multiplying DAC
AD7845KR LC2MOS Complete 12-Bit Multiplying DAC
AD7846KN LC2MOS 16-Bit Voltage Output DAC
AD7846KP LC2MOS 16-Bit Voltage Output DAC
相關代理商/技術參數
參數描述
AD7845JRZ 功能描述:IC DAC 12BIT MULT LC2MOS 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散(最大):- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓,單極 采樣率(每秒):* 產品目錄頁面:1398 (CN2011-ZH PDF)
AD7845JRZ 制造商:Analog Devices 功能描述:IC 12-BIT DAC
AD7845JRZ 制造商:Analog Devices 功能描述:IC, 12BIT DAC, MULTIPLYING, WSOIC24
AD7845JRZ-REEL 功能描述:12 Bit Digital to Analog Converter 1 24-SOIC W 制造商:analog devices inc. 系列:- 包裝:帶卷(TR) 零件狀態:有效 位數:12 數模轉換器數:1 建立時間:5μs 輸出類型:Voltage - Buffered 差分輸出:無 數據接口:并聯 參考類型:外部 電壓 - 電源,模擬:±14.25 V ~ 15.75 V 電壓 - 電源,數字:- INL/DNL(LSB):±1(最大),±1(最大) 架構:R-2R 工作溫度:0°C ~ 70°C 封裝/外殼:24-SOIC(0.295",7.50mm 寬) 供應商器件封裝:24-SOIC W 標準包裝:1,000
AD7845KN 制造商:Analog Devices 功能描述:DAC 1-CH R-2R 12-bit 24-Pin PDIP Tube 制造商:Rochester Electronics LLC 功能描述:COMPLETE 12 BIT MDAC IC - Bulk
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