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參數(shù)資料
| 型號： | MAX9011EUT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | SC70, 5ns, Low-Power, Single-Supply, Precision TTL Comparators |
| 中文描述： | COMPARATOR, 7000 uV OFFSET-MAX, PDSO6 |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 330K |
| 代理商： | MAX9011EUT-T |
M
SC70, 5ns, Low-Power, Single-Supply,
Precision TTL Comparators
8
_______________________________________________________________________________________
tional factor in resolution is the comparator
’
s stability in
its linear region. Many high-speed comparators are
useless in their linear region because they oscillate.
This makes the differential input voltage region around
zero unusable. Hysteresis helps to cure the problem
but reduces resolution (Figure 2). The devices do not
oscillate in the linear region and require no hysteresis,
which greatly enhances their resolution.
Applications Information
Power Supplies, Bypassing, and
Board Layout
These products operate over a supply voltage range of
4.5V to 5.5V. Bypass V
CC
to GND with a 0.1μF surface-
mount ceramic capacitor. Mount the ceramic capacitor
as close as possible to the supply pin to minimize lead
inductance.
As with all high-speed components, careful attention to
board layout is essential for best performance. Use a
PC board with an unbroken ground plane. Pay close
attention to the bandwidth of bypass components and
place them as close as possible to the device.
Minimize the trace length and area at the comparator
inputs. If the source impedance is high, take the utmost
care in minimizing its susceptibility to pickup of unwant-
ed signals.
Input Slew Rate
Most high-speed comparators have a minimum input
slew-rate requirement. If the input signal does not
transverse the region of instability within a propagation
delay of the comparator, the output can oscillate. This
makes many high-speed comparators unsuitable for
processing either slow-moving signals or fast-moving
signals with low overdrive. The design of these devices
eliminates the minimum input slew-rate requirement.
They are excellent for circuits from DC up to 200MHz,
even with very low overdrive, where small signals need
to be resolved.
Figure 1. Timing Diagram
t
H
t
SU
t
PD+
V
IN
(DIFFERENTIAL)
LATCH
ENABLE (LE)
OUT
Figure 2. Effect of Hysteresis on Input Resolution
HYSTERESIS
BAND*
WITH HYSTERESIS
IDEAL (WITHOUT HYSTERESIS)
* WHEN HYSTERESIS IS ADDED, A COMPARATOR CANNOT RESOLVE ANY INPUT SIGNAL WITHIN THE HYSTERESIS BAND.
OUT
IN-
IN+
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9012 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:SC70, 5ns, Low-Power, Single-Supply, Precision TTL Comparators |
| MAX9012ESA | 功能描述:校驗器 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 |
| MAX9012ESA+ | 功能描述:校驗器 IC 5ns Precision TTL Comparator 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 |
| MAX9012ESA+T | 功能描述:校驗器 IC 5ns Precision TTL Comparator 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 |
| MAX9012ESA-T | 功能描述:校驗器 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 |
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