TDA2040 is a monolithic integrated circuit in Pentawatt package, intended for use as an audio class AB amplifier. It provides high output current and has very low harmonic and cross-over distortion. The device also incorporates a patented short circuit protection system and thermal shut-down system.
The TDA2040 is a monolithic integrated circuit in a Pentawatt® package, designed for use as a class‑AB audio power amplifier. It typically delivers 22 W output power at 0.5 % THD and includes a patented short‑circuit protection system and a thermal shut‑down feature to keep the output transistors within their safe operating area.
The document lists absolute maximum ratings, detailed electrical characteristics such as supply voltage, input offset, and output current, as well as mechanical package dimensions. It also provides schematic diagrams, pin connections, and test circuit information for designers.
| Maximum Supply Voltage (Vs) | +20 V |
|---|---|
| Maximum Differential Input Voltage (Vi) | +15 V |
| Output Peak Current (limited) | 4 A |
| Power Dissipation at Tcase = 75 °C | 25 W |
| Thermal Shut‑down Junction Temperature (Tj) | 145 °C |
| Typical Quiescent Drain Current | 30 mA |
| Typical Input Offset Voltage (Vos) | +2 mV |
The maximum supply voltage is +20 V.
It typically provides 22 W output power at 0.5 % total harmonic distortion.