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參數(shù)資料
| 型號： | EVAL-AD7707EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Evaluation Board for the AD7707 3V/5V, +/-10V Input Range, 1mW, 3Channel, 16-Bit, Sigma Delta ADC |
| 中文描述： | 評估板AD7707 3V/5V，/ - 10V的輸入范圍，1mW的，3Channel，16位Σ-Δ模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 525K |
| 代理商： | EVAL-AD7707EB |
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Rev. 0
EVAL-AD7707EB
T he C alibration Registers Screen
Fig. 8. shows the Calibration Registers screen. When this screen is displayed the values of the Gain and Offset Registers are
read from the AD7707 and displayed. T he user has the ability to change the values of either register if required. the default
value for the fullscale cal register is 5761AB hex and the default value for the zero scale cal register is 1F4000 hex.
T he Read Data Screen
Fig. 9. shows the Read Data screen. T his is where the user can read a number of samples from the AD7707. T he user has
the option of either reading data for analysis or display.
When the Read For Analysis button is selected the software will read the required number of samples from the AD7707 and
store them in an array so that they can be graphed or analysed later. It is possible to read upto 5000 samples at any one time
although only 3000 can be displayed on a graph.
Fig. 9. The Read Data Screen
When the Read for Display button is selected the software will read one sample from the AD7707 and display its value in the
Current Code text box. T he software will continue to read and display the samples until a key has been pressed. It is possible
to add a delay to the read cycle by checking the Use Delay Value checkbox. If the box is checked the software will wait the
required number of milliseconds between reading samples. It should be noted however that the accuracy of the time delay can
be affected by other programs running under Windows, therefore this method is not suitable where equidistant sampling is
required.
T he Noise Analysis Screen
Once data has been read from the AD7707 it is possible to perform some analysis on it. Fig. 10. shows the Noise Analysis
Screen. T his screen displays the maximum and minimum codes read from the AD7707 (in decimal and hexadecimal), as well
as the average code, the average voltage and the RMS and Peak-Peak noise values. From this screen it is possible to display
the data on a graph or as a histogram of codes. Figures 11 and 12 show the Graph and Histogram screens.
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| EVAL-AD7708EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD7708EBZ | 功能描述:BOARD EVAL FOR AD7708 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
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| EVAL-AD7711EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Signal Conditioning ADC with RTD Excitation Currents |
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