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參數(shù)資料
| 型號(hào)： | MAX4042EUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Single/Dual/Quad, Low-Cost, SOT23, Micropower Rail-to-Rail I/O Op Amps |
| 中文描述： | DUAL OP-AMP, 5000 uV OFFSET-MAX, 0.09 MHz BAND WIDTH, PDSO8 |
| 封裝： | MO-187C-AA, MICRO MAX PACKAGE-8 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大小： | 199K |
| 代理商： | MAX4042EUA |
M
S ingle/Dual/Quad, Low-Cost, S OT 23,
Mic ropower, Rail-to-Rail I/O Op Amps
10
______________________________________________________________________________________
S hutdown Mode
The MAX4041 (single) and MAX4043 (dual) feature a
low-power shutdown mode. When the shutdown pin
(
SHDN
) is pulled low, the supply current drops to 1μA
per amplifier, the amplifier is disabled, and the outputs
enter a high-impedance state. Pulling
SHDN
high or
leaving it floating enables the amplifier. Take care to
ensure that parasitic leakage current at the
SHDN
pin
does not inadvertently place the part into shutdown
mode when
SHDN
is left floating. Figure 4 shows the
output voltage response to a shutdown pulse. The logic
threshold for
SHDN
is always referred to V
CC
/ 2 (not to
GND). When using dual supplies, pull
SHDN
to V
EE
to
enter shutdown mode.
Load-Driving Capability
The MAX4040–MAX4044 are fully guaranteed over tem-
perature and supply voltage to drive a maximum resis-
tive load of 25k
to V
CC
/ 2, although heavier loads can
be driven in many applications. The rail-to-rail output
stage of the amplifier can be modeled as a current
source when driving the load toward V
CC
, and as a cur-
rent sink when driving the load toward V
EE
. The magni-
tude of this current source/sink varies with supply
voltage, ambient temperature, and lot-to-lot variations
of the units.
Figures 5a and 5b show the typical current source and
sink capability of the MAX4040–MAX4044 family as a
function of supply voltage and ambient temperature.
The contours on the graph depict the output current
value, based on driving the output voltage to within
50mV, 100mV, and 200mV of either power-supply rail.
1200
0
-60 -40 -20
100
200
400
1000
M
TEMPERATURE (°C)
O
μ
A
0
40
20
600
800
80
60
V
CC
= 5.5V, V
OH
= 200mV
V
CC
= 5.5V, V
OH
= 100mV
V
CC
= 2.4V, V
OH
= 50mV
V
CC
= 5.5V, V
OH
= 50mV
V
CC
= 2.4V,
V
OH
= 200mV
V
CC
= 2.4V,
V
OH
= 100mV
Figure 5a. Output Source Current vs. Temperature
3000
0
-60 -40 -20
100
500
1000
2500
M
TEMPERATURE (°C)
O
μ
A
0
40
20
1500
2000
80
60
V
CC
= 5.5V, V
OL
= 200mV
V
CC
= 2.4V, V
OL
= 200mV
V
CC
= 5.5V,
V
OL
= 100mV
V
CC
= 2.4V, V
OL
= 50mV
V
CC
= 5.5V, V
OL
= 50mV
V
CC
= 2.4V, V
OL
= 100mV
Figure 5b. Output Sink Current vs. Temperature
1V/div
OUT
IN
1V/div
MAX4040-44 fig03
200
μ
s/div
R
L
= 100k
TIED TOV
EE
V
IN
= 4.0V
f
IN
= 1kHz
Figure 3. Rail-to-Rail Input/Output Voltage Range
MAX4040-44 fig04
200
μ
s/div
5V/div
1V/div
SHDN
OUT
V
IN
= 2V
R
L
= 100k
TIED TOV
EE
Figure 4. Shutdown Enable/Disable Output Voltage
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4042EUA+ | 功能描述:運(yùn)算放大器 - 運(yùn)放 uPower Rail-Rail 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 |
| MAX4042EUA+T | 功能描述:運(yùn)算放大器 - 運(yùn)放 uPower Rail-Rail 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 |
| MAX4042EUA-T | 功能描述:運(yùn)算放大器 - 運(yùn)放 uPower Rail-Rail 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 |
| MAX4042EUA-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4043 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Single/Dual/Quad, Low-Cost, SOT23, Micropower Rail-to-Rail I/O Op Amps |
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