运算放大器总览：

General Description
The AZ4558C consists of two high performance
operational amplifiers. The IC features high gain, low
equivalent input noise voltage, high input resistance,
excellent channel separation, wide range of operating
voltage and internal frequency compensation.
It can work with ± 18V maximum power supply
voltage or single power supply up to 36V.
The AZ4558C is available in DIP-8 and SOIC-8 packages.
Features
· Internally Frequency Compensated
· Large Signal Voltage Gain: 100dB Typical
· Gain and Phase Match between Amplifiers
· Gain Bandwidth Product (at 10kHz): 5.5MHz
· Pin to Pin Compatible with MC1458
Applications
· Audio AC-3 Decoder System
· Audio Amplifier

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