This datasheet provides detailed information on the TDA7256 30W bridge car radio amplifier. The amplifier features low quiescent current, programmable turn-on delay, differential inputs, short circuit protection, and is suitable for car radio and power amplifier applications.
The TDA7256 is a Class AB fully protected bridge power amplifier designed specifically for car radio applications. It features high current capability to drive low impedance loads down to 2 Ω and includes differential inputs suitable for boosters and active loudspeaker applications. The device ensures no audible pop during mute and standby operations through TTL-compatible muting and programmable turn-on delay circuits.
| Output Power (Bridge, 2 Ω) | 30 W |
|---|---|
| Output Power (Bridge, 4 Ω) | 22 W |
| Minimum Supply Voltage | 8 V |
| Maximum Supply Voltage | 18 V |
| Quiescent Drain Current | 80 to 150 mA |
| Input Resistance | 50 kΩ |
| Voltage Gain | 36 dB |
| Thermal Shut-down Temperature | 145 °C |
| Package Type | MULTIWATT11 |
The TDA7256 delivers 30 W with a 2 Ω load and 22 W with a 4 Ω load in bridge configuration.
No, the device is designed to have no audible pop during mute and standby operations.
Yes, the mute circuit is TTL compatible.
The maximum operating supply voltage is 18 V, with a DC limit of 28 V.