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參數(shù)資料
| 型號： | ADC0802LCN |
| 廠商： | INTERSIL CORP |
| 元件分類： | ADC |
| 英文描述： | 8-Bit, Microprocessor- Compatible, A/D Converters |
| 中文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP20 |
| 封裝： | CERDIP-20 |
| 文件頁數(shù)： | 17/41頁 |
| 文件大?。?/td> | 1118K |
| 代理商： | ADC0802LCN |
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Functional Description
(Continued)
Figure 2 shows a worst case error plot for the ADC0801. All
center-valued inputs are guaranteed to produce the correct
output codes and the adjacent risers are guaranteed to be
no closer to the center-value points than
±
1
4
LSB. In other
words, if we apply an analog input equal to the center-value
±
1
4
LSB, we guarantee that the A/D will produce the correct
digital code. The maximum range of the position of the code
transition is indicated by the horizontal arrow and it is guar-
anteed to be no more than
1
2
LSB.
The error curve of Figure 3 shows a worst case error plot for
the ADC0802. Here we guarantee that if we apply an analog
input equal to the LSB analog voltage center-value the A/D
will produce the correct digital code.
Next to each transfer function is shown the corresponding
error plot. Many people may be more familiar with error plots
than transfer functions. The analog input voltage to the A/D
is provided by either a linear ramp or by the discrete output
steps of a high resolution DAC. Notice that the error is con-
tinuously displayed and includes the quantization uncertainty
of the A/D. For example the error at point 1 of Figure 1is +
1
2
LSB because the digital code appeared
1
2
LSB in advance
of the center-value of the tread. The error plots always have
a constant negative slope and the abrupt upside steps are
always 1 LSB in magnitude.
Transfer Function
DS005671-81
Error Plot
DS005671-82
FIGURE 1. Clarifying the Error Specs of an A/D Converter
Accuracy=
±
0 LSB: A Perfect A/D
Transfer Function
DS005671-83
Error Plot
DS005671-84
FIGURE 2. Clarifying the Error Specs of an A/D Converter
Accuracy=
±
1
4
LSB
A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC0802LCN/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0802LCN/NOPB | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADC0802LCN-P | 功能描述:IC ADC 8BIT MPU COMPAT 20-DIP 制造商:texas instruments 系列:- 零件狀態(tài):最後搶購 位數(shù):8 采樣率（每秒）:10k 輸入數(shù):1 輸入類型:差分 數(shù)據(jù)接口:并聯(lián) 配置:ADC 無線電 - S/H:ADC:- A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):SAR 參考類型:外部，電源 電壓 - 電源，模擬:4.5 V ~ 6.3 V 電壓 - 電源，數(shù)字:4.5 V ~ 6.3 V 特性:- 工作溫度:- 基本零件編號:ADC0802 標準包裝:18 |
| ADC0802LCV | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit |
| ADC0802LCWM | 制造商:Texas Instruments 功能描述: |
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