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参数资料
| 型号： | AD7680BRM-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT LP UNIPOLR 8MSOP TR |
| 标准包装： | 1,000 |
| 系列： | PulSAR® |
| 位数： | 16 |
| 采样率（每秒）： | 100k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 26.4mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 1 个单端，单极 |
AD7680
Rev. A | Page 19 of 24
APPLICATION HINTS
GROUNDING AND LAYOUT
The printed circuit board that houses the AD7680 should be
designed such that the analog and digital sections are separated
and confined to certain areas of the board. This facilitates the
use of ground planes that can be separated easily. A minimum
etch technique is generally best for ground planes, because it
gives the best shielding. Digital and analog ground planes
should be joined at only one place. If the AD7680 is in a system
where multiple devices require an AGND to DGND
connection, the connection should still be made at one point
only, a star ground point that should be established as close as
possible to the AD7680.
Avoid running digital lines under the device because these
couple noise onto the die. The analog ground plane should be
allowed to run under the AD7680 to avoid noise coupling. The
power supply lines to the AD7680 should use as large a trace as
possible to provide low impedance paths and reduce the effects
of glitches on the power supply line. Fast switching signals, such
as clocks, should be shielded with digital ground to avoid
radiating noise to other sections of the board, and clock signals
should never be run near the analog inputs. Avoid crossover of
digital and analog signals. Traces on opposite sides of the board
should run at right angles to each other, which reduces the
effects of feedthrough on the board. A microstrip technique is
by far the best but is not always possible with a double-sided
board. In this technique, the component side of the board is
dedicated to ground planes while the signals are placed on the
solder side.
Good decoupling is also very important. All analog supplies
should be decoupled with 10 μF tantalum in parallel with
0.1 μF capacitors to AGND, as discussed in the Typical
Connection Diagram section. To achieve the best performance
from these decoupling components, the user should attempt to
keep the distance between the decoupling capacitors and the
VDD and GND pins to a minimum, with short track lengths
connecting the respective pins.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7680BRMZ | 功能描述:IC ADC 16BIT LP UNIPOLAR 8-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1 系列:microPOWER™ 位数:8 采样率（每秒）:1M 数据接口:串行，SPI? 转换器数目:1 功率耗散（最大）:- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘（4x4） 包装:Digi-Reel® 输入数目和类型:8 个单端，单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6 |
| AD7680BRMZ | 制造商:Analog Devices 功能描述:IC 16BIT ADC SMD 7680 MSOP8 |
| AD7680BRMZ-REEL | 功能描述:IC ADC 16BIT LP UNIPOLR 8MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7680BRMZ-REEL7 | 功能描述:IC ADC 16BIT LP UNIPOLR 8MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7682 | 制造商:AD 制造商全称:Analog Devices 功能描述:14-Bit, 8-Channel, 250 kSPS PulSAR ADC |
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