STMicroelectronics TDA7240AV
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | Heptawatt-7 (Vertical, Bent and Staggered Leads) |
| Mfr | STMicroelectronics |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Supplier Device Package | 7-HEPTAWATT |
| Voltage - Supply | 8V ~ 18V |
| Max Output Power x Channels @ Load | 20W x 1 @ 4Ohm |
| Features | Short-Circuit and Thermal Protection, Standby |
| Package | Tube |
| Product Status | Obsolete |
| Base Product Number | TDA7240 |
| REACH Status | REACH Unaffected |
| Standard Package | 50 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
TDA7240AV audio amplifier, Class AB audio chip 1-Channel (Mono)
The TDA7240AV is a high-performance Class AB audio power amplifier IC designed for automotive and professional audio applications. This monolithic integrated circuit delivers up to 10W per channel (into 4Ω loads) with exceptional sound quality and low distortion, making it an ideal choice for car radios, multimedia systems, and high-fidelity audio equipment. The TDA7240AV features a wide operating voltage range (8V to 18V), ensuring reliable performance in varying automotive power conditions, while its advanced thermal shutdown and short-circuit protection mechanisms enhance system reliability in demanding environments.
Engineered for superior audio performance, the TDA7240AV incorporates advanced biasing circuitry to minimize crossover distortion and optimize sound reproduction. The chip supports both bridge-tied load (BTL) and parallel BTL (PBTL) configurations, providing flexible system design options for different power requirements. Its low quiescent current and high power supply rejection ratio (PSRR) ensure minimal power consumption and noise interference, even in electrically noisy automotive environments. The TDA7240AV is housed in a compact Multiwatt15 package, balancing efficient heat dissipation with space-saving design.
The TDA7240AV includes integrated mute and standby functions, enabling efficient power management during idle or low-power operation. Its high current capability (up to 3.5A peak output) ensures robust performance when driving demanding speaker loads, while its low output impedance guarantees efficient power transfer. The chip's comprehensive protection circuitry, including over-temperature and load-dump protection, makes it a dependable solution for automotive audio systems where reliability is critical. With its proven track record in professional audio applications, the TDA7240AV remains a top choice for engineers seeking high-quality sound amplification with minimal design complexity.
Alternative Model Options:
● TDA7388: A 4-channel Class AB amplifier (17W per channel) designed for car audio systems, featuring integrated diagnostics and higher power output.
● TDA7498E: A 2x50W Class D stereo amplifier with high efficiency and low EMI, ideal for modern digital audio systems.
● STK4141II: A hybrid IC power amplifier (2x22W) with built-in protection circuits, suitable for high-end audio equipment.
