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| 型号： | AD9981KSTZ-80 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 38/44页 |
| 文件大小： | 0K |
| 描述： | IC INTERFACE 10BIT ANALOG 80LQFP |
| 标准包装： | 90 |
| 应用： | 视频 |
| 接口： | 模拟 |
| 电源电压： | 3.13 V ~ 3.47 V |
| 封装/外壳： | 80-LQFP |
| 供应商设备封装： | 80-LQFP（14x14） |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
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AD9981
Rev. 0 | Page 43 of 44
Adding a series resistor of value 50 to 200 can suppress
reflections, reduce EMI, and reduce the current spikes inside of
the AD9981. If series resistors are used, place them as close to
the AD9981 pins as possible, (although try not to add vias or
extra length to the output trace to get the resistors closer).
If possible, limit the capacitance that each digital output drives
to less than 10 pF. This is easily accomplished by keeping traces
short and by connecting the outputs to only one device. Loading
the outputs with excessive capacitance increases the current
transients inside of the AD9981 and creates more digital noise
on its power supplies.
Digital Inputs
Digital inputs on the AD9981 (HSYNC0, HSYNC1, VSYNC0,
VSYNC1, SOGIN0, SOGIN1, SDA, SCL and CLAMP) were
designed to work with 3.3 V signals, but are tolerant of 5.0 V
signals. Therefore, no extra components need to be added if
using 5.0 V logic.
Any noise that gets onto the Hsync input trace adds jitter to the
system. Therefore, minimize the trace length and do not run
any digital or other high frequency traces near it.
REFERENCE Bypass
The AD9981 has three reference voltages that must be bypassed
for proper operation of the input PGA. REFLO and REFHI are
connected to each other through a 10 F capacitor. REFCM is
connected to ground through a 10 F capacitor. These refer-
ences are used by the input PGA circuitry to assure the greatest
stability. Place them as close to the AD9981 pin as possible.
Make the ground connection as short as possible.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9981KSTZ-95 | 功能描述:IC INTERFACE 10BIT ANALOG 80LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 专用 系列:- 特色产品:NXP - I2C Interface 标准包装:1 系列:- 应用:2 通道 I²C 多路复用器 接口:I²C，SM 总线 电源电压:2.3 V ~ 5.5 V 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:剪切带 (CT) 安装类型:表面贴装 产品目录页面:825 (CN2011-ZH PDF) 其它名称:568-1854-1 |
| AD9981XSTZ-110 | 制造商:Analog Devices 功能描述:HIGH PERFORMANCE 10-BIT DISPLAY INTERFACE - Bulk |
| AD9983A | 制造商:AD 制造商全称:Analog Devices 功能描述:High Performance 8-Bit Display Interface |
| AD9983A/PCB | 制造商:AD 制造商全称:Analog Devices 功能描述:High Performance 8-Bit Display Interface |
| AD9983A/PCBZ | 功能描述:KIT EVALUATION AD9983A RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:Advantiv® 标准包装:1 系列:PCI Express® (PCIe) 主要目的:接口，收发器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要属性:- 次要属性:- 已供物品:板 |
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