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參數(shù)資料
| 型號： | AD7367BRUZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 21/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14BIT SAR 1MSPS 24TSSOP |
| 設(shè)計(jì)資源： | Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042) |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 88.8mW |
| 電壓電源： | 模擬和數(shù)字，雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個(gè)單端，單極；4 個(gè)單端，雙極 |
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AD7366/AD7367
Rev. D | Page 27 of 28
APPLICATION HINTS
LAYOUT AND GROUNDING
The printed circuit board that houses the AD7366/AD7367
should be designed so that the analog and digital sections are
confined to separate areas of the board. This design facilitates the
use of ground planes that can be easily separated.
To provide optimum shielding for ground planes, a minimum
etch technique is generally the best option. All AGND pins on
the AD7366/AD7367 should be connected to the AGND plane.
Digital and analog ground pins should be joined in only one
place. If the AD7366/AD7367 are in a system where multiple
devices require an AGND and DGND connection, the connec-
tion should still be made at only one point. A star point should
be established as close as possible to the ground pins on the
AD7366/AD7367.
Good connections should be made to the power and ground
planes. This can be done with a single via or multiple vias for
each supply and ground pin.
Avoid running digital lines under the AD7366/AD7367 devices
because this couples noise onto the die. However, the analog
ground plane should be allowed to run under the AD7366/
AD7367 to avoid noise coupling. The power supply lines to
the AD7366/AD7367 should use as large a trace as possible to
provide low impedance paths and reduce the effects of glitches
on the power supply line.
To avoid radiating noise to other sections of the board, com-
ponents with fast switching signals, such as clocks, should be
shielded with digital ground and should never be run near the
analog inputs. Avoid crossover of digital and analog signals. To
reduce the effects of feedthrough within the board, traces should
be run at right angles to each other. A microstrip technique is
the best method, but its use may not be possible with a double-
sided board. In the microstrip technique, the component side of
the board is dedicated to ground planes, and signals are placed
on the other side.
Good decoupling is also important. All analog supplies should
be decoupled with 10 F tantalum capacitors in parallel with
0.1 F capacitors to AGND. To achieve the best results from
these decoupling components, they must be placed as close as
possible to the device, ideally right up against the device. The
0.1 F capacitors should have a low effective series resistance
(ESR) and low effective series inductance (ESI), such as is typical
of common ceramic and surface mount types of capacitors. These
low ESR, low ESI capacitors provide a low impedance path to
ground at high frequencies to handle transient currents due to
internal logic switching.
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| AD736AQ | 功能描述:IC TRUE RMS/DC CONV LP 8-CDIP RoHS:否 類別:集成電路 (IC) >> PMIC - RMS 至 DC 轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:46 系列:- 電流 - 電源:1.2mA 電源電壓:±18 V，36 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC W 包裝:管件 |
| AD736AR | 制造商:Analog Devices 功能描述:True RMS to DC Converter 8-Pin SOIC N |
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