Overview
The TDA2050V, produced by STMicroelectronics, is a monolithic integrated circuit designed for use as a high-power audio class-AB amplifier. It is packaged in a Pentawatt vertical package and is renowned for its high output power and low distortion characteristics. This amplifier is suitable for both hi-fi and high-end TV sets due to its robust performance and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | ±4.5 to ±25 | V |
| Output Power (THD = 0.5%, RL = 4 Ω) | 35 W | W |
| Output Power (THD = 10%, RL = 8 Ω) | 32 W | W |
| Music Power (IEC 268.3 rules, 1 sec, RL = 4 Ω) | 50 W | W |
| Distortion (THD) | 0.05% (typ, VS = ±22 V, PO = 0.1 to 15 W, RL = 8 Ω, f = 100 Hz to 15 kHz) | % |
| Input Offset Voltage | ±15 mV | mV |
| Input Bias Current | 0.1 to 0.5 µA | µA |
| Thermal Shutdown Junction Temperature | 150 °C | °C |
| Power Dissipation at TCASE = 75 °C | 25 W | W |
Key Features
- High output power capability: up to 35 W true RMS power into a 4 ohm load and up to 32 W into an 8 ohm load.
- High operating supply voltage: up to ±25 V.
- Single or split supply operations supported.
- Very low harmonic and crossover distortion.
- Short-circuit protection and thermal shutdown for enhanced reliability.
- High efficiency: up to 67% at VS = ±22 V, RL = 8 Ω.
- Wide power bandwidth: 20 Hz to 80 kHz.
Applications
The TDA2050V is highly suitable for various audio applications, including:
- Hi-fi audio systems.
- High-end TV sets.
- Professional audio equipment.
- Home theaters and sound systems.
Q & A
- What is the maximum output power of the TDA2050V? The TDA2050V can deliver up to 35 W true RMS power into a 4 ohm load and up to 32 W into an 8 ohm load.
- What is the supply voltage range for the TDA2050V? The supply voltage range is ±4.5 to ±25 V.
- What is the typical distortion level of the TDA2050V? The typical distortion level is 0.05% at VS = ±22 V, PO = 0.1 to 15 W, RL = 8 Ω, and f = 100 Hz to 15 kHz.
- Does the TDA2050V have short-circuit protection? Yes, it has an original circuit that limits the output current to protect against short-circuits.
- What is the thermal shutdown junction temperature of the TDA2050V? The thermal shutdown junction temperature is 150 °C.
- Can the TDA2050V operate with a single supply or split supply? Yes, it supports both single and split supply operations.
- What is the power bandwidth of the TDA2050V? The power bandwidth is 20 Hz to 80 kHz.
- How efficient is the TDA2050V? The efficiency can be up to 67% at VS = ±22 V, RL = 8 Ω.
- What are the recommended external components for the TDA2050V? The recommended values are provided in the datasheet, including resistors and capacitors for input impedance, feedback, and frequency stability.
- How should the heatsink be mounted for the TDA2050V? The heatsink should be mounted using a screw or compression spring, with a layer of silicon grease for optimal thermal contact.
