The TDA7566 is a car radio amplifier from ST with 4 x 40 W max output power and I2C bus digital diagnostics.
The TDA7566 is a BCD technology quad bridge type car radio amplifier designed for car radio applications. It features a DMOS power output stage and includes a full diagnostics array that communicates speaker status via the I2C bus. The device allows for flexible configuration and behavior control through the I2C bus.
| Output power (4 Q) | 4 x 40 W max. |
|---|---|
| Output power (2 Q) | 4 x 60 W |
| Supply voltage range | -8 to 18 V |
| Total quiescent drain current | 150 to 300 mA |
| Voltage gain 1 | 25 to 27 dB |
| Voltage gain 2 | -12 dB |
| Power bandwidth | 100 kHz |
The maximum output power is 4 x 40 W.
The operating supply voltage ranges from -8 V to 18 V.
Yes, it has built-in diagnostics features that communicate speaker status via the I2C bus.