The TS921 is a high output current single voltage operational amplifier produced by Texas Instruments. It has low noise, low distortion, high output current and other features. It is suitable for headphone amplifiers, piezoelectric speaker drivers, sound cards, multimedia systems, line drivers, actuator drivers, servo amplifiers, mobile phones and portable communication devices.
The TS921 is a rail‑to‑rail, single BiCMOS operational amplifier optimized for 3 V and 5 V operation. It delivers up to 80 mA output current, low noise (9 nV/√Hz) and low distortion, making it suitable for audio, headphone, and line‑driver applications.
The datasheet provides absolute maximum ratings, operating conditions, detailed electrical characteristics, package mechanical data, and macromodel information for circuit simulation.
| Input/Output Type | Rail‑to‑rail |
|---|---|
| Low Noise | 9 nV/√Hz |
| High Output Current | 80 mA |
| Supply Voltage Range | 2.7 V to 12 V |
| ESD Protection | 1.5 kV |
The TS921 operates from 2.7 V up to 12 V.
It can source up to 80 mA of output current.
The device has a low‑noise level of 9 nV/√Hz.