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參數(shù)資料
| 型號(hào)： | MIC845HYC5 |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR W/REFERENCE SC70-5 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Teeny™ |
| 類型： | 帶電壓基準(zhǔn) |
| 元件數(shù)： | 1 |
| 輸出類型： | 推挽式 |
| 電壓 - 電源，單路/雙路(±)： | 2.75 V ~ 5.5 V |
| 電流 - 靜態(tài)（最大值）： | 3µA |
| 磁滯： | 40mV |
| 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： | 散裝 |
MIC845
Micro-Power Comparator /
Battery Monitor
Teeny is a trademark of Micrel, Inc.
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
July 2005
M9999-070505
(408) 955-1690
General Description
The MIC845 is a precision micro-power voltage
comparator with an on-chip 2.55V reference voltage
source.
Intended for voltage monitoring applications, the
MIC845 can be used with an external resistor divider
to detect a wide range of voltages, or without
external resistors to directly monitor voltages with its
high input impedance CMOS input.
The MIC845 incorporates a voltage reference and
comparator with fixed internal hysteresis. When the
2.55V internal threshold is crossed, the output
switches polarity.
MIC845 is available with a push-pull or open-drain
output stage. The push-pull output stage is
configured for both active high or active low output;
the open-drain output stage is only configured active
high.
Supply current is extremely low (typically 1A),
making it ideal for portable applications.
MIC845 is supplied in Micrel’s Teeny 5-lead SC-
70 package.
Data sheets and support documentation can be
found on Micrel’s web site at www.micrel.com.
Teeny
Features
Extremely low 1A supply current (typical)
2.55V on chip reference
±2% voltage threshold accuracy
Optimized for PDAs, cellular telephones, pagers,
and other battery-powered devices
Open-drain output can be pulled up to 6V
regardless of supply voltage
5-lead SC-70 package
Applications
PDAs
Pagers
Cordless phones
Portable electronics
Motherboards
Bladed servers
____________________________________________________________________________________________________
Typical Applications
R1
INP
GND
OUT
VDD
VREF = 2.55V
MIC845
Internal Fixed Hysteresis
R2
VDD
VIN
VOUT
2.75V < VDD < 5.5V
Threshold Detector with
3.3V
INP
GND
OUT
VDD
to Host
Memory
power
Lithium
Coin Cell
MIC845
Nano-Power Battery Monitor
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC845HYC5 TR | 功能描述:校驗(yàn)器 IC 1.5 A Undervoltage Comparator with 2.0% 2.55V Reference, 20mV Hysteresis, Push-Pull 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(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)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 |
| MIC845HYC5-TR | 功能描述:Comparator with Voltage Reference Push-Pull SC-70-5 制造商:microchip technology 系列:Teeny?? 包裝:剪切帶（CT） 零件狀態(tài):Last Time Buy 類型:帶電壓基準(zhǔn) 元件數(shù):1 輸出類型:推挽式 電壓 - 電源，單/雙（±）:2.75 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）:- 電流 - 靜態(tài)（最大值）:3μA CMRR，PSRR（典型值）:- 傳播延遲（最大值）:- 滯后:40mV 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(biāo)準(zhǔn)包裝:1 |
| MIC845LBC5 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Micro-Power Comparator/ Battery Monitor |
| MIC845LYC5 | 功能描述:IC COMPARATOR W/REFERENCE SC70-5 RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 系列:Teeny™ 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:- 類型:通用 元件數(shù):1 輸出類型:CMOS，推挽式，滿擺幅，TTL 電壓 - 電源，單路/雙路(±):2.5 V ~ 5.5 V，±1.25 V ~ 2.75 V 電壓 - 輸入偏移（最小值）:5mV @ 5.5V 電流 - 輸入偏壓（最小值）:1pA @ 5.5V 電流 - 輸出（標(biāo)準(zhǔn)）:- 電流 - 靜態(tài)（最大值）:24µA CMRR, PSRR（標(biāo)準(zhǔn)）:80dB CMRR，80dB PSRR 傳輸延遲（最大）:450ns 磁滯:±3mV 工作溫度:-40°C ~ 85°C 封裝/外殼:6-WFBGA，CSPBGA 安裝類型:表面貼裝 包裝:管件 其它名稱:Q3554586 |
| MIC845LYC5 TR | 功能描述:校驗(yàn)器 IC 1.5 A Undervoltage Comparator with 2.0% 2.55V Reference, 20mV Hysteresis, Push-Pull 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(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)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 |
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