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参数资料
| 型号： | MIC845NYC5 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 6/7页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR W/REFERENCE SC70-5 |
| 标准包装： | 1 |
| 系列： | Teeny™ |
| 类型： | 带电压基准 |
| 元件数： | 1 |
| 输出类型： | 开路漏极 |
| 电压 - 电源，单路/双路(±)： | 2.75 V ~ 5.5 V |
| 电流 - 静态（最大值）： | 3µA |
| 磁滞： | 40mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 6-TSSOP（5 引线），SC-88A，SOT-353 |
| 安装类型： | 表面贴装 |
| 包装： | 标准包装 |
| 产品目录页面： | 1081 (CN2011-ZH PDF) |
| 其它名称： | 576-1959-6 |
Micrel, Inc.
MIC845
July 2005
6
M9999-070505
(408) 955-1690
Application Information
Output
The MIC845N output is an open-drain MOSFET, so
most applications will require a pull-up resistor. It is
recommended that the value of this resistor not
exceed 470k, otherwise PCB leakages may begin
to dominate and give a false output indication.
The output of “N” type devices may be pulled up as
high as 6V regardless of the IC’s supply voltage,
without damage to the IC.
The “H” and “L” versions of MIC845 have push-pull
output stages, no pull-up resistors are required. The
maximum output voltage of the “H” and “L” versions
is VDD.
Input
MIC845 has been designed to present an almost
infinite input resistance at its INP pin making it ideal
for monitoring lithium coin cell and back-up batteries.
In applications where the ‘battery low’ voltage is
2.55V, MIC845’s INP pin may be tied directly to the
cell’s positive terminal without any additional
circuitry.
MIC845’s input may be subjected to voltages as high
as 6V, steady-state, without any adverse effects,
regardless of the IC’s supply voltage. This applies
even if the supply voltage is zero. This permits a
situation wherein the IC’s supply is turned off, but an
input voltage is still present. Under such conditions,
there will be no conduction from INP to VDD or any
circuitry internal to MIC845.
Input Transients
MIC845 is inherently immune to very short
negative-going “glitches.” Very brief transients may
exceed the VINP threshold without tripping the output.
As shown in the figure below, the narrower the
transient, the deeper the threshold overdrive that will
be ignored by the MIC845. The graph represents the
typical allowable transient duration for a given
amount of threshold overdrive that will not generate
an output.
0
2
4
6
8
10
12
14
16
0
200
400
600
800 1000
COMPARATOR OVERDRIVE
Input Transient
Response
VREF - VINP (mV)
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相关代理商/技术参数 |
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| MIC860 | 制造商:AMERICAN DJ 功能描述:LASER PROJECTOR RED AND BLUE LASER HEAD |
| MIC860BC5 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Teeny⑩ Ultra Low Power Op Amp |
| MIC860BC5 TR | 功能描述:IC OPAMP 4MHZ 2.7V ULT LP SC70 RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Teeny™ 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SO 包装:带卷 (TR) |
| MIC860YC5 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Teeny⑩ Ultra Low Power Op Amp |
| MIC860YC5 TR | 功能描述:运算放大器 - 运放 Single Op-Amp, 4MHz Gain-Bandwidth, Rail-to-Rail Output, 30 A Supply Current in SC70-5 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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