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參數(shù)資料
| 型號： | MAX4289EUT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | Low-Power Differential Line Driver And Receiver Pairs 8-PDIP -40 to 85 |
| 中文描述： | OP-AMP, 6000 uV OFFSET-MAX, 0.017 MHz BAND WIDTH, PDSO6 |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 280K |
| 代理商： | MAX4289EUT-T |
Power-Up Settling Time
The MAX4289 typically requires 300μs to power-up
after V
CC
is stable. During this startup time, the output
is indeterminate. The application circuit should allow for
this initial delay.
Driving Capacitive Loads
The MAX4289 is unity-gain stable for loads up to
200pF. Applications that require greater capacitive-
drive capability should use an isolation resistor
between the output and the capacitive load (Figure 4).
Note that this solution results in a loss of gain accuracy
because R
ISO
forms a voltage-divider with the load
resistor.
Using the MAX4289 as a Comparator
Although optimized for use as an operational amplifier,
the MAX4289 can also be used as a rail-to-rail I/O com-
parator (Figure 5). External hysteresis can be used to
minimize the risk of output oscillation. The positive feed-
back circuit, shown in Figure 5, causes the input thresh-
old to change when the output voltage changes state.
Power Supplies and Layout
The MAX4289 operates from a single 1V to 5.5V power
supply. Bypass the power with a 0.1μF capacitor to
ground.
Good layout techniques optimize performance by
decreasing the amount of stray capacitance at the op
amp
’
s inputs and outputs. To decrease stray capaci-
tance, minimize trace lengths by placing external com-
ponents close to the op amp
’
s pins.
M
1.0V Micropower, SOT23, Operational Amplifier
_______________________________________________________________________________________
7
50
60
70
80
90
POWER-SUPPLY REJECTION RATIO
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
P
0.8
1.1
1.2
0.9
1.0
1.3
1.4
1.5
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
Figure 3. PSRR vs. V
CC
Over the Temperature Range
R
ISO
C
L
R
L
A
V
=
≈
1
R
L
R
L
+ R
ISO
MAX4289
Figure 4. Using a Resistor to Isolate a Capacitive Load from
the Op Amp
相關(guān)PDF資料 |
PDF描述 |
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| MAX4289ESA | 1.0V Micropower, SOT23, Operational Amplifier |
| MAX428CSA | Single/Dual/Quad High-Speed, Fast-Settling, High Output Current Operational Amplifier |
| MAX408ACPA | Single/Dual/Quad High-Speed, Fast-Settling, High Output Current Operational Amplifier |
| MAX408ACSA | Single/Dual/Quad High-Speed, Fast-Settling, High Output Current Operational Amplifier |
| MAX408CPA | Single/Dual/Quad High-Speed, Fast-Settling, High Output Current Operational Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX428ACPA-2 | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX428ACSA | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX428ACSA-T | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX428CPA | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX428CPA-2 | 制造商:Maxim Integrated Products 功能描述:DUAL HIGH-SPEED, HIGH OUTPUT CURRENT OP AMP - Bulk |
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