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參數(shù)資料
| 型號： | MIC841NBC5 TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR W/REFERENCE SC70-5 |
| 標準包裝： | 3,000 |
| 系列： | Teeny™ |
| 類型： | 帶電壓基準 |
| 元件數(shù)： | 1 |
| 輸出類型： | 開路漏極 |
| 電壓 - 電源，單路/雙路(±)： | 1.5 V ~ 5.5 V |
| 電流 - 輸出（標準）： | 20mA |
| 電流 - 靜態(tài)（最大值）： | 3µA |
| 傳輸延遲（最大）： | 12µs |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 6-TSSOP（5 引線），SC-88A，SOT-353 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC841NBC5TR MIC841NBC5TR-ND |
Micrel, Inc.
MIC841/842
October 29, 2013
7
Revision 4.1
Using 3.1V for the VIN(LO) threshold allows calculation of
the two remaining resistor values:
VIN(LO) = 3.1V = 1.24V
+
k
344
2
R
M
1
Eq. 4
Where:
R2 = 56k
R1 = 1M
R2 R3
R1 = 600k
The accuracy of the resistors can be chosen based upon
the accuracy required by the system.
VIN
OUT
VIN(LO)
0V
VIN(HI)
OUT
0V
H AND N VERSIONS
L VERSION
VHYSTERISIS
Figure 2. Output Response and Hysteresis
Programming the MIC842 Thresholds
The voltage threshold is calculated using Equation 5:
VIN(LO) = VREF
+
2
R
2
R
1
R
Eq. 5
Where:
VREF = 1.240V
Figure 3. MIC842 Example Circuit
In order to provide the additional criteria needed to solve
for the resistor values, the resistors can be selected such
that they have a given total value, that is, R1 + R2 =
RTOTAL
. A value such as 1MΩ for R
TOTAL is a reasonable
value because it draws minimum current but has no
significant effect on accuracy.
Input Transients
The MIC841/2 is inherently immune to very short
negative-going “glitches.” Very brief transients may
exceed the VIN(LO) threshold without tripping the output.
As shown in Figure 4, the narrower the transient, the
deeper the threshold overdrive that will be ignored by the
MIC841/2. The graph represents the typical allowable
transient duration for a given amount of threshold
overdrive that will not generate an output.
Figure 4. Input Transient Response
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC841NYC5 | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: |
| MIC841NYC5 TR | 功能描述:校驗器 IC 1.5 A Undervoltage Comparator with 1.25% 1.24V Reference, Adjustable Hysteresis, Active-Low Open-Drain Output in SC70-5 (Lead Free) RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)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(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MIC841NYC5TR | 制造商:Micrel 功能描述:Comparator Dual 5.5V Micropower |
| MIC841NYC5-TR | 功能描述:Comparator with Voltage Reference Open Drain SC-70-5 制造商:microchip technology 系列:Teeny?? 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:帶電壓基準 元件數(shù):1 輸出類型:開路漏極 電壓 - 電源，單/雙（±）:1.5 V ~ 5.5 V 電壓 - 輸入失調(diào)（最大值）:- 電流 - 輸入偏置（最大值）:- 電流 - 輸出（典型值）:20mA 電流 - 靜態(tài)（最大值）:3μA CMRR，PSRR（典型值）:- 傳播延遲（最大值）:50μs 滯后:20mV 工作溫度:-40°C ~ 85°C 封裝/外殼:5-TSSOP，SC-70-5，SOT-353 安裝類型:表面貼裝 供應(yīng)商器件封裝:SC-70-5 標準包裝:1 |
| MIC841NYMT T5 | 制造商:Micrel Inc 功能描述:IC COMPARATOR MICROPWR 6TDFN |
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