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參數(shù)資料
| 型號： | SPT7710BIG |
| 廠商： | SIGNAL PROCESSING TECHNOLOGIES |
| 元件分類： | ADC |
| 英文描述： | 8-BIT, 150 MSPS, FLASH A/D CONVERTER |
| 中文描述： | 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PGA46 |
| 封裝： | PGA-46 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 134K |
| 代理商： | SPT7710BIG |
6
8/17/01
SPT7710
double-sided PC board with a ground plane on the compo-
nent side separated into digital and analog sections will
give the best performance. The converter is bonded-out to
place the digital pins on the left side of the package and
the analog pins on the right side. Additionally, an RF bead
connection through a single point from the analog to digi-
tal ground planes will reduce ground noise pickup.
The circuit in figure 2 (PGA and cerquad packages only) is
intended to show the most elaborate method of achieving
the least error by correcting for integral nonlinearity, input
induced distortion, and power supply/ground noise. This is
achieved by the use of external reference ladder tap con-
nections, an input buffer, and supply decoupling. The func-
tion of each pin and external connections to other compo-
nents is as follows:
Figure 2 – Typical Interface Circuit 2 (PGA and Cerquad packages only)
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V
EE
, AGND, DGND
V
EE
is the supply pin with AGND as ground for the device.
The power supply pins should be bypassed as close to the
device as possible with at least a .01 μF ceramic capaci-
tor. A 1 μF tantalum should also be used for low frequency
suppression. DGND is the ground for the ECL outputs and
is to be referenced to the output pulldown voltage and
appropriately bypassed as shown in figure 1.
V
IN
(ANALOG INPUT)
There are two analog input pins that are tied to the same
point internally. Either one may be used as an analog input
senseand the other for input force This is convenient for
testing the source signal to see if there is sufficient drive
capability. The pins can also be tied together and driven by
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| SPT7710BIJ | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:8-BIT, 150 MSPS, FLASH A/D CONVERTER |
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| SPT7720SIT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| SPT7720SITX | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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