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參數(shù)資料
| 型號： | ADC12041CIV |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 12-Bit Plus Sign 216 kHz Sampling Analog-to-Digital Converter |
| 中文描述： | 1-CH 13-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 26/28頁 |
| 文件大小： | 591K |
| 代理商： | ADC12041CIV |
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Analog Application Information
(Continued)
When measuring AC input signals, any crosstalk between
analog input lines and the reference lines (ADCIN
±
, V
±
)
should be minimized. Crosstalk is minimized by reducing
any stray capacitance between the lines. This can be done
by increasing the clearance between traces, keeping the
traces as short as possible, shielding traces from each other
by placing them on different sides of theAGND plane, or run-
ning AGND traces between them.
Figure 21 also shows the reference input bypass capacitors.
Here the reference inputs are considered to be differential.
The performance improves by having a 0.1 μF capacitor be-
tween the V
+ and V
, and by bypassing in a manner
similar to that described for the supply pins. When a single
ended reference is used, V
is connected to AGND and
only two capacitors are used between V
+ and V
(0.1
μF + 10 μF). It is recommended to directly connect the
AGND side of these capacitors to the V
instead of con-
necting V
and the ground sides of the capacitors sepa-
rately to the ground planes. This provides a significantly
lower-impedance connection when using surface mount
technology.
DS012441-45
FIGURE 21. Top View of Printed Circuit Board for a 28-Pin PLCC ADC12041
A
www.national.com
26
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| ADC12048CIV | 12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADC12041CIVX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit Plus Sign 216 kHz Sampling Analog-to-Digital Converter |
| ADC12048 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit Plus Sign 216 kHz 8-Channel Sampling Analog-to-Digital Converter |
| ADC12048_02 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit Plus Sign 216kHz 8-Channel Sampling Analog-to-Digital Converter |
| ADC12048CIV | 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 |
| ADC12048CIV/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 |
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