This is information on a product in full production. The product is a 4-channel 48W MOSFET quad bridge power amplifier, using multipower BCD technology and featuring high output power capability and excellent 2 ohm driving capability.
The document is a technical datasheet for the TDA7851A, a MOSFET output class AB audio power amplifier designed for high-power car radio applications. It features Multipower BCD technology with an internally fixed gain of 26 dB and includes protection functions such as short circuit detection, overtemperature limiting, and reverse battery protection.
| Output power (4Q Max) | 4x48 W |
|---|---|
| Supply voltage range | -8 to 18 V |
| Voltage gain | 26 dB |
| Quiescent current | 100 to 300 mA |
| Package type | Flexiwatt 27 |
The amplifier delivers a maximum of 4x48 W per channel.
Yes, it features automute at minimum supply voltage detection for reversed battery conditions.
The device has an internally fixed gain of 26 dB with no external compensation required.