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參數資料
| 型號： | LMV7271MF |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 比較器 |
| 英文描述： | Single & Dual, 1.8V Low Power Comparators with Rail-to-Rail Input |
| 中文描述： | COMPARATOR, 4000 uV OFFSET-MAX, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 11/16頁 |
| 文件大小： | 494K |
| 代理商： | LMV7271MF |
Application Notes
(Continued)
Non-Inverting Comparator with Hysteresis
A non-inverting comparator with hysteresis requires a two
resistor network, and a voltage reference (V
) at the in-
verting input (
Figure 4
). When V
is low, the output is also
low. For the output to switch from low to high, V
IN
must rise
up to V
IN1
, where V
IN1
is calculated by
When V
is high, the output is also high. To make the
comparator switch back to its low state, V
must equal V
before V
A
will again equal V
REF
. V
IN
can be calculated by:
The hysteresis of this circuit is the difference between V
IN1
and V
IN2
.
V
IN
= V
CC
R
1
/R
2
20064042
FIGURE 3. Inverting Comparator with Hysteresis
L
www.national.com
11
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| LMV7271MFX | Single & Dual, 1.8V Low Power Comparators with Rail-to-Rail Input |
| LMV7271MG | Single & Dual, 1.8V Low Power Comparators with Rail-to-Rail Input |
| LMV7271MGX | Single & Dual, 1.8V Low Power Comparators with Rail-to-Rail Input |
| LMV7272 | Single & Dual, 1.8V Low Power Comparators with Rail-to-Rail Input |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMV7271MF | 制造商:Texas Instruments 功能描述:COMPARATOR RAIL-RAIL I/P POWERWISE |
| LMV7271MF/NOPB | 功能描述:校驗器 IC 1.8V Comp W/Push/ Pull Out RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LMV7271MFX | 制造商:Texas Instruments 功能描述:Comparator Single R-R I/P 5.5V 5-Pin SOT-23 T/R |
| LMV7271MFX/NOPB | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| LMV7271MG | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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