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參數(shù)資料
| 型號： | AS1976-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 電源管理 |
| 英文描述： | nPower,Single Comp. Push-Pull; Package Type: SOT23-5 |
| 中文描述： | COMPARATOR, 10000 uV OFFSET-MAX, 13000 ns RESPONSE TIME, PDSO5 |
| 封裝： | SOT23-5 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 422K |
| 代理商： | AS1976-T |
www.austriamicrosystems.com
Revision 1.01
14 - 17
AS1976/AS1977
Data Sheet - Application Information
Logic-Level Translation
The AS1977 can be used as a 5V-to-3V logic translator.
Figure 30
shows an application that converts 5V- to 3V-logic
levels, and provides the full 5V logic-swing without creating overvoltage on the 3V logic inputs.
Note:
When the comparator is powered by a 5V supply, R
PULUP
for the open-drain output should be connected to the
+3V supply voltage.
For 3V-to-5V logic-level translations, connect the +3V supply voltage to V
CC
and the +5V supply voltage to R
PULUP
.
Figure 30. AS1977
Logic-Level Translation Circuit
Layout Considerations
The AS1976/AS1977 requires proper layout and design techniques for optimum performance.
!
Power-supply bypass capacitors are not typically required, although 100nF bypass capacitors should be placed
close to the AS1976/AS1977 supply pins when supply impedance is high, leads are long, or for excessive noise on
the supply lines.
!
Minimize signal trace lengths to reduce stray capacitance.
!
A ground plane should be used.
!
Surface-mount components should be used whenever practical.
AS1977
R
Pullup
+5/+3V
Logic Out
+3/+5V
+5/+3V
Logic In
100k
Ω
100k
Ω
+3/+5V
Logic-Level Translator
5
V
CC
3
IN+
1
OUT
2
V
EE
4
REF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS1977 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Ultra-Low Current, 1.8V Comparators |
| AS1977-T | 功能描述:IC COMPARATOR OPEN SOT23-5 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 |
| AS197R6FLF | 制造商:TT Electronics / IRC 功能描述:AS197R6FLF |
| AS197R6HLF | 制造商:TT Electronics / IRC 功能描述:AS197R6HLF |
| AS197R6JLF | 制造商:TT Electronics / IRC 功能描述:AS197R6JLF |
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