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參數(shù)資料
| 型號(hào)： | MAX4400 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Single/Dual/Quad, Low-Cost, Single-Supply, Rail-to-Rail Op Amps with Shutdown |
| 中文描述： | 單/雙/四路、低成本、單電源、滿擺幅運(yùn)算放大器，帶有關(guān)斷 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 298K |
| 代理商： | MAX4400 |
M
Single/Dual/Quad, Low-Cost, Single-Supply,
Rail-to-Rail Op Amps with Shutdown
8
_______________________________________________________________________________________
circuit’s response by isolating the load capacitance
from the op amp’s output.
Applications Information
Shutdown Mode
The MAX4401 features a low-power shutdown mode.
When
SHDN
goes low, the supply current drops to
0.1μA (typical). The output enters a high-impedance
state. Pull
SHDN
high to enable the amplifier. Do not
leave
SHDN
floating. Figure 4 shows the shutdown
waveform.
Power-Up
The MAX4400–MAX4403 outputs typically settle within
5μs after power-up. Figure 5 shows the output voltage
on power-up and power-down.
Power Supplies and Layout
The MAX4400–MAX4403 operate from a single +2.5V
to +5.5V power supply. Bypass the power supply 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.
2
μ
s/div
IN
50mV/div
OUT
R
ISO
C
L
MAX4400
MAX4401
MAX4402
MAX4403
Figure 3. Capacitive-Load-Driving Circuit
R
L
= 10M
TO GND
C
L
= 25pF
400
μ
s/div
SHDN
2V/div
OUT
Figure 4. Shutdown Waveform
10μs/div
OUT
1V/div
V
DD
2V/div
Figure 5. Power-Up/Power-Down Waveform
Figure 2. Small-Signal Transient Response with Excessive
Capacitive Load
TRANSISTOR COUNT: 101 (MAX4400/MAX4401)
202 (MAX4402)
404 (MAX4403)
Chip Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4401 | Single/Dual/Quad, Low-Cost, Single-Supply, Rail-to-Rail Op Amps with Shutdown |
| MAX4402 | Single/Dual/Quad, Low-Cost, Single-Supply, Rail-to-Rail Op Amps with Shutdown |
| MAX4403 | Single/Dual/Quad, Low-Cost, Single-Supply, Rail-to-Rail Op Amps with Shutdown |
| MAX440 | 8-Channel. High-Speed. Video Multiplexer Amplifier |
| MAX441 | 8-Channel. High-Speed. Video Multiplexer Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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| MAX44000EVKIT# | 功能描述:光學(xué)傳感器開發(fā)工具 Digital Ambient Proximity Sensor RoHS:否 制造商:ams 工具用于評(píng)估: 接口類型: 最大工作溫度: |
| MAX44000EVKIT+ | 功能描述:光學(xué)傳感器開發(fā)工具 Digital Ambient Light Sensor and Proximity Sensor RoHS:否 制造商:ams 工具用于評(píng)估: 接口類型: 最大工作溫度: |
| MAX44000EVSYS# | 功能描述:光學(xué)傳感器開發(fā)工具 MAX44000 EVAL KIT RoHS:否 制造商:ams 工具用于評(píng)估: 接口類型: 最大工作溫度: |
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