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| 型号： | AD7298-1BCPZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 15/25页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT SPI/SRL 8CH 20LFCSP |
| 标准包装： | 1 |
| 位数： | 10 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 23mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 20-LFCSP-WQ（4x4） |
| 包装： | 标准包装 |
| 输入数目和类型： | 8 个单端，单极 |
| 其它名称： | AD7298-1BCPZ-RLDKR |
AD7298-1
Rev. A | Page 21 of 24
LAYOUT AND CONFIGURATION
For optimum performance, carefully consider the power supply
and ground return layout on any PCB where the AD7298-1 is
used. The PCB containing the AD7298-1 should have separate
analog and digital sections, each having its own area of the board.
The AD7298-1 should be located in the analog section on any PCB.
Decouple the power supply to the AD7298-1 to ground with
10 F and 0.1 F capacitors. Place the capacitors as physically
close as possible to the device, with the 0.1 F capacitor ideally
right up against the device. It is important that the 0.1 F
capacitor has low effective series resistance (ESR) and low
effective series inductance (ESL); common ceramic types of
capacitors are suitable. The 0.1 F capacitors provide a low
impedance path to ground for high frequencies caused by
transient currents due to internal logic switching. The 10 F
capacitors are the tantalum bead type.
The power supply line should have as large a trace as possible to
provide a low impedance path and reduce glitch effects on the
supply line. Shield clocks and other components with fast switching
digital signals from other parts of the board by a digital ground.
Avoid crossover of digital and analog signals, if possible. When
traces cross on opposite sides of the board, ensure that they run
at right angles to each other to reduce feedthrough effects on
the board.
The best board layout technique is the microstrip technique where
the component side of the board is dedicated to the ground
plane only, and the signal traces are placed on the solder side;
however, this is not always possible with a 2-layer board.
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相关代理商/技术参数 |
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| AD7298BCPZ | 功能描述:IC ADC 12BIT SPI/SRL 1M 20LFCSP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 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 |
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| AD73 | 制造商:Distributed By MCM 功能描述:REFRIGERATR DOOR GASKET DIRECT |
| AD7302 | 制造商:AD 制造商全称:Analog Devices 功能描述:2.7 V to 5.5 V, Parallel Input Dual Voltage Output 8-Bit DAC |
| AD7302BN | 功能描述:IC DAC 8BIT DUAL R-R 20-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:2,400 系列:- 设置时间:- 位数:18 数据接口:串行 转换器数目:3 电压电源:模拟和数字 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:36-TFBGA 供应商设备封装:36-TFBGA 包装:带卷 (TR) 输出数目和类型:* 采样率（每秒）:* |
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