TS922 is a dual-channel audio amplifier with low noise, low distortion, high output current and is suitable for audio devices, mobile phones, etc.
The TS922 is a rail‑to‑rail dual BICMOS operational amplifier optimized for 3 V and 5 V operation. It offers rail‑to‑rail input and output, low noise (9 nV/√Hz), low distortion, and a high output current of 80 mA, making it suitable for audio, headphone, and driver applications.
The document includes pin diagrams for multiple packages, absolute maximum ratings, detailed electrical characteristics such as gain‑bandwidth product (4 MHz) and input offset voltage (0.9 mV), as well as application notes and revision history. It also contains legal and warranty information for ST products.
| Input type | Rail‑to‑rail input and output |
|---|---|
| Noise density | 9 nV/√Hz |
| Output current | 80 mA |
| Supply voltage range (operating) | 2.7 V to 12 V |
| Maximum supply voltage (absolute max) | 14 V |
The absolute maximum supply voltage is 14 V, while the recommended operating range is 2.7 V to 12 V.