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參數資料
| 型號： | AD9048TQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Monolithic 8-Bit Video A/D Converter |
| 中文描述： | 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP28 |
| 封裝： | SIDE BRAZED, CERDIP-28 |
| 文件頁數： | 7/8頁 |
| 文件大?。?/td> | 109K |
| 代理商： | AD9048TQ |
AD9048
–7–
REV. C
Figure 3. Dynamic Performance (20 MHz Encode Rate)
Figure 4. Dynamic Performance (35 MHz Encode Rate)
LAYOUT SUGGESTIONS
Designs that use the AD9048 or any other high speed device
must follow some basic layout rules to ensure optimum
performance.
The first requirement is to have a large, low impedance ground
plane under and around the converter. If the system uses sepa-
rate analog and digital grounds, both should be solidly con-
nected together, and to the ground plane, as closely to the
AD9048 as practical to avoid ground loop currents.
Ceramic 0.1
μ
F decoupling capacitors should be placed as closely
as possible to the supply pins of the AD9048. For decoupling
low frequency signals, use 10
μ
F tantalum capacitors, also con-
nected as closely as practical to voltage supply pins.
Within the AD9048, reference currents may vary because of
coupling between the clock and input signals. As a result, it is
important that the ends of the reference ladder, R
T
(Pin 18) and
R
B
(Pin 28), be connected to low impedances (as measured
from ground).
If the AD9048 is being used in a circuit in which the reference
is not varied, a bypass capacitor to ground is strongly recom-
mended. In applications that use varying references, they must
be driven from a low impedance source.
Figure 5. Typical Connections
相關PDF資料 |
PDF描述 |
|---|---|
| AD9048 | Monolithic 8-Bit Video A/D Converter |
| AD9048KQ | Monolithic 8-Bit Video A/D Converter |
| AD9049 | 9-Bit, 30 MSPS ADC |
| AD9049BR | 9-Bit, 30 MSPS ADC |
| AD9049BRS | 9-Bit, 30 MSPS ADC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9048TQ/883B | 制造商:Analog Devices 功能描述:ADC Single Flash 38Msps 8-bit Parallel 28-Pin CDIP |
| AD9048TQ-883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:Monolithic 8-Bit Video A/D Converter |
| AD9049 | 制造商:AD 制造商全稱:Analog Devices 功能描述:9-Bit, 30 MSPS ADC |
| AD9049/PCB | 制造商:Analog Devices 功能描述: |
| AD9049BR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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