The TBA820M is a monolithic integrated audio amplifier from STMicroelectronics with a rated output power of 1.2W and a working voltage range of 3V-16V. It is suitable for use in portable radios, cassette recorders and players.
The document describes the TBA820M, a monolithic integrated audio amplifier designed as a low frequency class B power amplifier. It is intended for use in portable radios, cassette recorders, and players with a wide supply voltage range of 3 to 16V.
Key features include minimum working supply voltage of 3V, low quiescent current, good ripple rejection, and no cross-over distortion. The device is available in an 8 lead dual in-line plastic package (Minidip).
| Supply voltage range | 3 to 16 V |
|---|---|
| Output power (12V/8Ω) | 2W |
| Output power (9V/4Ω) | 1.6W |
| Output power (9V/8Ω) | 1.2W |
| Quiescent drain current | 4 to 12 mA |
| Frequency response (-3 dB) | 25 to 7,000 Hz (Ri = 8Ω) |
| Voltage gain (open loop) | 75 dB |
| Thermal resistance junction-ambient | max 100 °C/W |
The minimum working supply voltage is 3V.
No, the device has no cross-over distortion.
It is an 8 lead dual in-line plastic package (Minidip).