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參數(shù)資料
| 型號(hào)： | ADS7834EB |
| 英文描述： | 12-Bit High Speed Low Power Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 12位高速低功耗采樣模擬到數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 13/13頁 |
| 文件大?。?/td> | 145K |
| 代理商： | ADS7834EB |
13
ADS7834
With this in mind, power to the ADS7834 should be clean
and well bypassed. A 0.1
μ
F ceramic bypass capacitor should
be placed as close to the device as possible. In addition, a
1
μ
F to 10
μ
F capacitor is recommended. If needed, an even
larger capacitor and a 5
or 10
series resistor my be used
to lowpass filter a noisy supply.
The ADS7834 draws very little current from an external
reference on average as the reference voltage is internally
buffered. However, glitches from the conversion process
appear at the V
REF
input and the reference source must be
able to handle this. Whether the reference is internal or
external, the V
REF
pin should be bypassed with a 0.1
μ
F
capacitor. An additional larger capacitor may also be used,
if desired. If the reference voltage is external and originates
from an op-amp, make sure that it can drive the bypass
capacitor or capacitors without oscillation.
The GND pin should be connected to a clean ground point.
In many cases, this will be the “analog” ground. Avoid
connections which are too near the grounding point of a
microcontroller or digital signal processor. If needed, run a
ground trace directly from the converter to the power supply
entry point. The ideal layout will include an analog ground
plane dedicated to the converter and associated analog
circuitry.
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PDF描述 |
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| ADS7834P | 12-Bit High Speed Low Power Sampling ANALOG-TO-DIGITAL CONVERTER |
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| ADS7835 | 12-Bit, High-Speed, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7835E | 12-Bit, High-Speed, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7834EB/250 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power Sampling 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 |
| ADS7834EB/250G4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power Sampling 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 |
| ADS7834EB/2K5 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power Sampling 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 |
| ADS7834EB/2K5G4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit High Speed Low Power Sampling 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 |
| ADS7834EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS7834 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
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