SM4558 is a dual-channel operational amplifier that includes two independent, high-gain, internally frequency-compensated dual operational amplifiers. It is suitable for dual-supply mode operation and can also be used in a wide range of single-supply applications. It can be used as an active filter, compensation amplifier, audio preamplifier, equalizer amplifier and various linear amplifiers in electronic instruments and meters.
The Shenzhen State Microelectronics SM4558 is a dual-channel operational amplifier containing two independent, high-gain amplifiers with internal frequency compensation. It supports both dual power supply modes and single power supply usage over a wide voltage range. The device is designed for applications including active filters, compensating amplifiers, audio pre-amplifiers, equalizers, and linear amplifiers in electronic instruments. This manual is written in Chinese.
| DC Voltage Gain | Approx. 100dB |
|---|---|
| Input Bias Current | Typical 35 nA, Max 500 nA |
| Input Offset Voltage | Max 5 mV |
| Unit Gain Bandwidth | Typical 2.58 MHz |
| Power Supply Voltage | +/-18V or +/-20V |
| Operating Temperature | 0 to +70 °C |
No, it features built-in internal frequency compensation.
The maximum power dissipation is 680 mW.
The maximum operating temperature is 70 ˚C.
The typical unit gain bandwidth is 2.58 MHz.