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參數資料
| 型號： | AD7920BRM-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 250 kSPS, 10-/12-Bit ADCs in 6-Lead SC70 |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數： | 18/20頁 |
| 文件大?。?/td> | 1091K |
| 代理商： | AD7920BRM-REEL7 |
REV. B
–18–
AD7910/AD7920
As can be seen in Figure 18, for the MSOP package the decou-
pling capacitor has been placed as close as possible to the IC, with
short track lengths to V
DD
and GND pins. The decoupling capaci-
tor could also be placed on the underside of the PCB
directly
under-
neath the IC, between the V
DD
and GND pins attached by vias.
This method would not be recommended on PCBs above a standard
1.6 mm thickness. The best performance will be seen with the decou-
pling capacitor on the top of the PCB next to the IC.
Figure 18. Recommended Supply Decoupling
Scheme for the AD7910/AD7920 MSOP Package
Similarly, for the SC70 package, the decoupling capacitor should
be located as close as possible to the V
DD
and GND pins. Because
of its pinout, i.e., V
DD
being next to GND, the decoupling capaci-
tor can be placed extremely close to the IC. The decoupling
capacitor could be placed on the underside of the PCB directly
under the V
DD
and GND pins, but, as before, the best perfor-
mance will be seen with the decoupling capacitor on the same
side as the IC.
Figure 19. Recommended Supply Decoupling
Scheme for the AD7910/AD7920 SC70 Package
Evaluating the AD7910/AD7920 Performance
The evaluation board package includes a fully assembled and
tested evaluation board, documentation, and software for con-
trolling the board from the PC via the Eval-Board Controller.
To demonstrate/evaluate the ac and dc performance of the
AD7910/AD7920, the evaluation board controller can be used
in conjunction with the AD7910/AD7920CB evaluation boards
as well as many other Analog Devices evaluation boards ending
in the CB designator.
The software allows the user to perform ac (fast Fourier transform)
and dc (histogram of codes) tests on the AD7910/AD7920. See
the evaluation board technical note for more information.
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相關代理商/技術參數 |
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| AD7920BRMZ | 功能描述:IC ADC 12BIT 250KSPS 8-MSOP 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:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 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 供應商設備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數目和類型:8 個單端，單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7920BRMZ-REEL | 功能描述:IC ADC 12BIT SRL 250KSPS 8MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7920BRMZ-REEL7 | 功能描述:IC ADC 12BIT SRL 250KSPS 8MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率（每秒）:15 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7921 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs |
| AD7921ARM | 制造商:Analog Devices 功能描述:ADC Single SAR 250ksps 12-bit Serial 8-Pin MSOP 制造商:Rochester Electronics LLC 功能描述:DUAL 12-BIT , 250KSPS ADC I.C. - Bulk 制造商:Analog Devices 功能描述:12BIT ADC DUAL SMD 7921 MSOP8 |
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