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參數(shù)資料
| 型號： | AS1970-T |
| 廠商： | ams |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATOR SGL P/P SOT23-5 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 通用 |
| 元件數(shù)： | 1 |
| 輸出類型： | CMOS，推挽式，滿擺幅 |
| 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）： | 6mV @ 5.5V |
| 電流 - 輸入偏壓（最小值）： | 1pA @ 5.5V |
| 電流 - 靜態(tài)（最大值）： | 19µA |
| CMRR, PSRR（標(biāo)準(zhǔn)）： | 80dB CMRR，80dB PSRR |
| 傳輸延遲（最大）： | 420ns |
| 磁滯： | ±3mV |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | SC-74A，SOT-753 |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | AS1970-TDKR |
www.austriamicrosystems.com
Revision 1.02
9 - 18
AS1970
Data Sheet - Deta iled Description
8 Detailed Description
The AS1970 - AS1975 are single/dual/quad low-power, comparators. The devices operate with a supply voltage range
between 2.5 and 5.5V while consuming down to 8.5A per comparator. Their common-mode input voltage range
extends 0.25V beyond each rail.
Internal hysteresis ensures clean output switching, even with slow input signals. Large internal output drivers allow rail-
to-rail output swing with up to 8mA loads.
The output stage design minimizes supply-current surges while switching, virtually eliminating the power supply tran-
sients typical. The AS1970/AS1972/AS1974 push/pull output stage sinks and sources current, wheras the AS1971/
AS1973/AS1975 open-drain output stage can be pulled beyond VCC to an absolute maximum of 5.5V > VEE.
Input Stage
The input common-mode voltage range extends from -0.25V to (VCC + 0.25V), and the comparators can operate at
any differential input voltage within this voltage range. Input bias (IB) current is 1.0pA (typ) if the input voltage is within
the common-mode voltage range.
Inputs are protected from over-voltage by internal ESD protection diodes connected to the supply rails. As the input
voltage exceeds the supply rails, these diodes become forward biased and begin to conduct and the bias currents
increase exponentially as the input voltage exceeds the supply rails.
Output Stage
The push/pull and open-drain output stages were designed to provide rail-to-rail operation with up to 8mA loads. Even
at loads of up to 8mA, the supply-current change during an output transition is extremely small (see Figure 4 on page
6). Figure 4 shows the minimal supply-current increase as the output switching frequency approaches 1MHz. This
characteristic eliminates the need for power-supply filter capacitors to reduce glitches created by comparator switching
currents.
Because of the unique design of its output stage, the AS1970 - AS1975 can dramatically increase battery life, even in
high-speed applications.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1971 | 制造商:ams 功能描述:IC COMPARATOR SGL O-D SOT23-5 制造商:ams 功能描述:T&R / SOT23-5 |
| AS1971-T | 功能描述:校驗(yàn)器 IC 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 |
| AS1972 | 功能描述:校驗(yàn)器 IC 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 |
| AS1972-T | 功能描述:IC COMPARATOR DUAL P/P 8-MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 比較器 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:- 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 |
| AS1973 | 功能描述:校驗(yàn)器 IC 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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