參數(shù)資料
型號(hào)： ADS7834
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(yè)數(shù)： 13/13頁(yè)
文件大?。?/td> 145K
代理商： ADS7834
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.
相關(guān)PDF資料
PDF描述
ADS7834E CMOS Hex Inverting Buffer/Converter 16-TSSOP -55 to 125
ADS7834EB 12-Bit High Speed Low Power Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7834P 12-Bit High Speed Low Power Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7834PB CMOS Hex Inverting Buffer/Converter 16-TSSOP -55 to 125
ADS7835 12-Bit, High-Speed, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7834_13 制造商:BB 制造商全稱(chēng):BB 功能描述:12-Bit High-Speed, Low-Power Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7834E 制造商:Rochester Electronics LLC 功能描述:- Bulk
ADS7834E/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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS7834E/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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
ADS7834E/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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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