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參數(shù)資料
| 型號： | ADCV0831M6X |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 8 Bit Serial I/O Low Voltage Low Power ADC with Auto Shutdown in a SOT Package |
| 中文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6 |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數(shù)： | 8/9頁 |
| 文件大小： | 180K |
| 代理商： | ADCV0831M6X |
Applications
(Continued)
When the input of theADCV0831 is driven by an op-amp operating at a supply voltage greater than 5V, it is a good idea to protect
the input of the ADCV0831 from exceeding the supply voltage. Two diodes can be added to the input one to supply and one to
the ground pin.
Note:
Diodes are IN914
This circuit utilizes the LM385 reference to detect the power supply voltage level. When the supply voltage is 3V, the LSB = 3/256
= 11.7mV. Since the LM385 reference sets the input to 1.2V. The output code is 102. As the supply voltage decreases, the LSB
decreases and the output code increases. When the supply voltage reaches 2.7V, the LSB = 10.5 mV. The input voltage is still
at 1.2V, and the output code is 114. If the supply voltage increases, the LSB increases and the output code decreases. When the
supply voltage reaches 3.3V, the LSB = 12.9mV and the output code is 93.
Protecting the input
DS100104-64
Power Supply Level Detection
DS100104-65
A
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADCV08832 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Voltage, 8-Bit Serial I/O CMOS A/D Converter with Sample/Hold Function |
| ADCV08832CIM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| ADCV08832CIM/NOPB | 功能描述:IC ADC 8BIT SRL I/O CMOS 8-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):12 采樣率（每秒）:3M 數(shù)據(jù)接口:- 轉(zhuǎn)換器數(shù)目:- 功率耗散（最大）:- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數(shù)目和類型:- |
| ADCV08832CIMX | 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 |
| ADCV08832CIMX/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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