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參數(shù)資料
| 型號： | AD7686BCPZRL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT 500KSPS 10-LFCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | PulSAR® |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 21.5mW |
| 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： | 10-WFDFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 10-LFCSP-WD（3x3） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 1 個偽差分，單極 |
| 其它名稱： | AD7686BCPZRL7DKR |
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AD7686
Rev. B | Page 23 of 28
APPLICATION HINTS
LAYOUT
The printed circuit board (PCB) that houses the AD7686
should be designed so that the analog and digital sections are
separated and confined to certain areas of the board. The
pinout of the AD7686, with all its analog signals on the left side
and all its digital signals on the right side, eases this task.
Avoid running digital lines under the device because doing so
couples noise onto the die, unless a ground plane under the
AD7686 is used as a shield. Fast switching signals, such as CNV
or clocks, should never run near analog signal paths. Crossover
of digital and analog signals should be avoided.
At least one ground plane should be used. It could be common
or split between the digital and analog sections. In the latter
case, the planes should be joined underneath the devices.
The AD7686 voltage reference input REF has a dynamic input
impedance and should be decoupled with minimal parasitic
inductances. This is done by placing the reference decoupling
ceramic capacitor close to, and ideally right up against, the REF
and GND pins and connecting it with wide, low impedance
traces.
Finally, the AD7686 power supplies VDD and VIO should be
decoupled with ceramic capacitors (typically 100 nF) placed
close to the AD7686 and connected using short and wide traces.
This provides low impedance paths and reduces the effect of
glitches on the power supply lines. Examples of layouts that
follow these rules are shown in Figure 45 and Figure 46.
EVALUATING PERFORMANCE
Other recommended layouts for the AD7686 are outlined in
the documentation of the evaluation board (EVAL-AD7686CB).
The evaluation board package includes a fully assembled and
tested evaluation board, documentation, and software for
controlling the board from a PC via the universal evaluation
control board (EVAL-CONTROL BRD3).
02
96
9-
04
6
Figure 45. Example of Layout of the AD7686 (Top Layer)
0
29
69-
04
7
Figure 46. Example of Layout of the AD7686 (Bottom Layer)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7686BCPZRL71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN |
| AD7686BRM | 制造商:Analog Devices 功能描述:ADC Single SAR 500ksps 16-bit Serial 10-Pin MSOP Tube |
| AD7686BRMRL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 500ksps 16-bit Serial 10-Pin MSOP T/R |
| AD7686BRMZ | 功能描述:IC ADC 16BIT 500KSPS 10-MSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7686BRMZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 500 kSPS PulSAR ADC in MSOP/QFN |
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