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參數(shù)資料
| 型號： | AD679JNZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT 128KSPS 28-DIP |
| 標準包裝： | 1 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 128k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 745mW |
| 電壓電源： | 模擬和數(shù)字，雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 28-DIP（0.600"，15.24mm） |
| 供應商設備封裝： | 28-PDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個單端，單極；1 個單端，雙極 |
| 產(chǎn)品目錄頁面： | 777 (CN2011-ZH PDF) |
AD679
REV. D
–13–
AD679 to Analog Devices ADSP-2100A
Figure 12 demonstrates the AD679 interfaced to an ADSP-2100A.
With a clock frequency of 12.5 MHz, and instruction execution in
one 80 ns cycle, the digital signal processor supports the AD679
data memory interface with three hardware wait states.
The converter is configured to run asynchronously using a sam-
pling clock. The EOC output of the AD679 gets asserted at the
end of each conversion and causes an interrupt. Upon interrupt,
the ADSP-2100A immediately executes a data memory write
instruction, which asserts
HBE. In the following cycle, the pro-
cessor starts a data memory read (high byte read) by providing
an address on the DMA bus. The decoded address generates
OE for the converter. OE, together with logic and latch, is used
to force the ADSP-2100A into a one cycle wait state by generat-
ing DMACK. The read operation is thus started and completed
within two processor cycles (160 ns).
HBE is released during
high byte read. This allows the processor to read the lower byte
of data as soon as high byte read is complete. The low byte read
operation executes in a similar manner to the first and is com-
pleted during the next 160 ns.
Figure 12. AD679 to ADSP-2100A Interface
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD679KD | 功能描述:IC ADC 14BIT SAMPLING 28-CDIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應商設備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個單端，單極 |
| AD679KN | 制造商:Analog Devices 功能描述:ADC Single Flash 128ksps 14-bit Parallel 28-Pin PDIP W |
| AD679KNZ | 功能描述:IC ADC 14BIT SAMPLING 28-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應商設備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個單端，單極 |
| AD679SD | 制造商:Analog Devices 功能描述: 制造商:Rochester Electronics LLC 功能描述:IC - 14-BIT SAMPLING ADC - Bulk |
| AD679SD/883B | 制造商:Rochester Electronics LLC 功能描述:IC- 14-BIT SAMPLING ADC - Bulk 制造商:Analog Devices 功能描述: |
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