Overview and characteristics of operational amplifier LM358
1.1 Overview of operational amplifier LM358
LM358 includes two independent dual operational amplifiers with high gain and internal frequency compensation. It is suitable for single power supply with a wide range of power supply voltage and is also suitable for dual power supply operation mode. Under the recommended working conditions, the power supply current is The power supply voltage is irrelevant. [] Its scope of application includes sensor amplifiers, DC gain modules, audio amplifiers, industrial controls, DC gain components and all other occasions where operational amplifiers can be powered by a single power supply. LM358 is available in plastic-encapsulated 8-lead dual-in-line and chip-type packages.
1.2 Features of operational amplifier LM358:
*Internal frequency compensation
*High DC voltage gain (about 100dB)
*Unity gain frequency bandwidth (about 1MHz)
*Wide power supply voltage range: single power supply (3~30V); dual power supply (±1.5~±15V)
*Low power consumption current, suitable for battery power supply
* Low input bias current
* Low input offset voltage and offset current
*Wide common-mode input voltage range, including grounding
*Wide differential mode input voltage range, equal to the power supply voltage range
*Large output voltage swing (0~Vcc-1.5V)
1.3, lm358 parameters:
The input bias current is 45nA; the input offset current is 50nA; the input offset voltage is 2.9mV; the maximum input common mode voltage is VCC~1.5V; the common mode rejection ratio is 80d; the power supply rejection ratio is 100dB.
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