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參數(shù)資料
| 型號(hào)： | MAX4336EXT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute |
| 中文描述： | OP-AMP, 6000 uV OFFSET-MAX, 5 MHz BAND WIDTH, PDSO6 |
| 封裝： | SC-70, 6 PIN |
| 文件頁(yè)數(shù)： | 12/17頁(yè) |
| 文件大?。?/td> | 542K |
| 代理商： | MAX4336EXT-T |
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M
SC70/SOT23-8, 50mA I
OUT
, Rail-to-Rail I/O
Op Amps with Shutdown/Mute
12
______________________________________________________________________________________
Figures 8 and 9 show the transient response with
excessive capacitive loads (330pF), with and without
the addition of an isolation resistor in series with the
output. Figure 10 shows a typical noninverting capaci-
tive-load-driving circuit in the unity-gain configuration.
The resistor improves the circuit
’
s phase margin by iso-
lating the load capacitor from the op amp
’
s output.
Power-Up and Shutdown/Mute Modes
The MAX4336/MAX4338 have a shutdown option.
When the shutdown pin (
SHDN
) is pulled low, supply
current drops to 0.04μA per amplifier (V
CC
= 5V), the
amplifiers are disabled, and their outputs are placed in
a high-impedance state. Pulling
SHDN
high enables
the amplifier. In the dual MAX4338, the two amplifiers
shut down independently. Figure 11 shows the
MAX4336
’
s output voltage response to a shutdown
pulse. The MAX4335
–
MAX4338 typically settle within
5μs after power-up (Figure 12).
Power Supplies and Layout
The MAX4335
–
MAX4338 can operate from a single
2.7V to 5.5V supply. Bypass the power supply with a
0.1μF ceramic capacitor in parallel with at least 1μF.
Good layout improves performance by decreasing the
amount of stray capacitance at the op amps
’
inputs
and outputs. Decrease stray capacitance by placing
external components close to the op amps
’
input/output
pins, minimizing trace and lead lengths.
Thermal Overload Protection
The MAX4335
–
MAX4338 includes thermal overload
protection circuitry. When the junction temperature of
the device exceeds +140
°
C, the supply current drops
to 120μA per amplifier (V
CC
= 5V) and the outputs are
placed in a high-impedance state. The device returns
to normal operation when the junction temperature falls
to below +120
°
C.
Short-Circuit Current Protection
The MAX4335
–
MAX4338 incorporate a smart short-cir-
cuit protection feature. Figure 7 shows the output volt-
age region where the protection circuitry is active. A
fault condition occurs when I
OUT
> 110mA and V
OUT
>
1V (sinking current) or when I
OUT
> 110mA and (V
CC
-
V
OUT
) > 1V (sourcing current). When a fault is detect-
ed, the short-circuit protection circuitry is activated and
the output current is limited to 110mA, protecting the
device and the application circuitry. When the smart
short circuit is not active, the output current can safely
exceed 110mA (see the Output Current vs. Output
Voltage Graph in the
Typical Operating Characteristics
).
4.2k
4.2k
Figure 5. Input Protection Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4335 | SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute |
| MAX4336 | SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute |
| MAX4337 | SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute |
| MAX4338 | SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute |
| MAX4338EUB | SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O Op Amps with Shutdown/Mute |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4337EKA | 制造商:Maxim Integrated Products 功能描述:SC70/SOT23-8 50MA IOUT RAIL-TO-RA - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4337EKA+ | 制造商:Maxim Integrated Products 功能描述:OP AMP DUAL GP R-R I/O 5.5V 8PIN SOT-23 - Rail/Tube |
| MAX4337EKA+T | 功能描述:運(yùn)算放大器 - 運(yùn)放 50mA IOUT Rail-Rail w/Shutdown/Mute 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 |
| MAX4337EKA-T | 功能描述:運(yùn)算放大器 - 運(yùn)放 50mA IOUT Rail-Rail w/Shutdown/Mute 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 |
| MAX4337EUA | 功能描述:運(yùn)算放大器 - 運(yùn)放 50mA IOUT Rail-Rail w/Shutdown/Mute 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 |
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