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參數資料
| 型號： | AD7884AN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | LC2MOS 16-Bit, High Speed Sampling ADCs |
| 中文描述： | 1-CH 16-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數： | 12/16頁 |
| 文件大小： | 319K |
| 代理商： | AD7884AN |
AD7884/AD7885
REV. C
–12–
T he second way is to use the
BUSY
output of the AD7884 to
generate an interrupt in the MC68000. Because of the nature of
its interrupts, the MC68000 requires additional logic (not
shown in Figure 18) to allow it to be interrupted correctly. For
full information on this, consult the MC68000 User’s Manual.
AD7884 to 80286 Interface
T he 80286 is an advanced high performance processor with spe-
cial capabilities aimed at multiuser and multitasking systems.
Figure 19 shows an interface configuration for the AD7884 to
such a system. Note that only signals relevant to the AD7884
are shown. For the full 80286 configuration refer to the iAPX
286 data sheet (Basic System Configuration).
In Figure 19 conversion is started by writing to a selected ad-
dress and causing it
CS2
to go low. When conversion is com-
plete,
BUSY
goes high and initiates an interrupt. T he processor
can then read the conversion result.
82288 BUS
CONTROLLER
MRDC
CLK
82284 CLOCK
GENERATOR
CLK
8282 OR
8283
LATCH
8286 OR 8287
TRANSCEIVER
DECODE
CIRCUITRY
CS1
CS2
8259A
INTERRUPT
CONTROLLER
CLK
80286
CPU
D – D
0
A – A
0
AD7884
RD
CS
CONVST
DB15
DB0
BUSY
IR – IR
7
MEMORY READ
Figure 19. AD7884 Interfacing to Basic iAPX 286 System
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| AD7884AP | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7884BN | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7884BP | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7885 | LC2MOS 16-Bit, High Speed Sampling ADCs |
| AD7885AAP | LC2MOS 16-Bit, High Speed Sampling ADCs |
相關代理商/技術參數 |
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| AD7884AP | 制造商:Analog Devices 功能描述:ADC Single 2-Step Flash 166ksps 16-bit Parallel 44-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:16-BIT PARAL.SAMPL.ADC IC - Bulk |
| AD7884AP-REEL | 制造商:Analog Devices 功能描述:ADC Single 2-Step Flash 166ksps 16-bit Parallel 44-Pin PLCC T/R 制造商:Rochester Electronics LLC 功能描述:16-BIT PARAL.SAMPL ADC IC - Tape and Reel |
| AD7884APZ | 功能描述:IC ADC 16BIT SAMPLING HS 44PLCC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 位數:12 采樣率（每秒）:1.8M 數據接口:并聯 轉換器數目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數字 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 輸入數目和類型:2 個單端，單極 |
| AD7884APZ-REEL | 功能描述:IC ADC 16BIT SAMPLING HS 44PLCC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源: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 輸入數目和類型:1 個單端，雙極 |
| AD7884AQ | 功能描述:IC ADC 16BIT SAMPLING HS 40-CDIP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 位數:12 采樣率（每秒）:1.8M 數據接口:并聯 轉換器數目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數字 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 輸入數目和類型:2 個單端，單極 |
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