CA1458，CA1558（双运放）;CA741C，CA741，LM741（单运放）是高增益运算放大器，用于军事，工业和商业应用.这类单片硅集成电路器件提供输出短路保护和闭锁自由运作。这些类型还具有广泛的共同模式，差模信号范围和低失调电压调零能力与使用适当的电位。10kΩ电位器是用于抵消调零类型CA741C，CA741类型CA1458，CA1558没有具体的终端抵消调零。每一类运放包括一个差分输入放大器有效驱动增益和发射极跟随互补输出。

General Description

The LM741 series are general purpose operational amplifiers which feature improved performance over industry standards like the LM709. They are direct, plug-in replacements for the 709C, LM201, MC1439 and 748 in most applications.

The amplifiers offer many features which make their application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, as well as freedom from oscillations.

The LM741C is identical to the LM741/LM741A except that the LM741C has their performance guaranteed over a 0°C to +70°C temperature range, instead of -55°C to +125°C.

Parametrics

	LM741
Vn at 1kHz (Typ)	30 (nV/rtHz)
IIB (Max)	80000 (pA)
Slew Rate (Typ)	0.5 (V/us)
GBW (Typ)	1 (MHz)
Number of Channels	1
Total Supply Voltage (V) (Min)	10 (+5V=5, +/-5V=10)
Total Supply Voltage (V) (Max)	44 (+5V=5, +/-5V=10)
VIO (25 deg C) (Max)	5 (mV)
Output Current (+/-) (Min)	25 (A)
Input OutputType	Not Rail to Rail
Special Features	Vos Adj

CA741,CA741C,LM741,LM741C芯片引脚和工作说明：

1和5为偏置(调零端)，2为正向输入端，3为反向输入端，4接地，6为输出，7接电源，8空脚i3K838CA1458, CA1558, LM1458：芯片引脚和工作说明

1输出端A 2反向输入端A 3正向输入端A 4接地 5正向输入端B 6反向输入端B 7输出端B 8电源

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