The KA2287 linear integrated circuit is designed for 5‑dot LED level‑meter drivers such as VU meters and signal meters. It includes a built‑in rectifying amplifier and requires few external components.
Key features include a typical gain of 26 dB, low radiation noise, constant‑current output of 15 mA, and operation over a supply voltage range of 3.5 V to 16 V. The device is rated for temperatures from –20 °C to +80 °C and a maximum power dissipation of 1.1 W.
| Supply Voltage Range | 3.5 V – 16 V |
|---|---|
| Typical Gain (Gy) | 26 dB |
| Maximum Power Dissipation | 1.1 W |
| Typical Output Current | 15 mA |
The typical gain is 26 dB.
It operates from 3.5 V to 16 V.
The maximum power dissipation is 1.1 W.