Overview
The TDA2003V is a 10W car radio audio amplifier produced by STMicroelectronics. It is designed to provide high output current capability, up to 3.5A, with very low harmonic and cross-over distortion. This amplifier is pin-to-pin compatible with the TDA2002 but offers improved performance. It is suitable for various audio amplification applications, including car radios and other high-power audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | 8 - 18 | V |
| Maximum Output Power (at 1.6Ω RL) | 12 | W |
| Output Peak Current (non-repetitive) | 4.5 | A |
| Output Peak Current (repetitive) | 3.5 | A |
| Power Dissipation at Tcase = 90 °C | 20 | W |
| Storage and Junction Temperature | -40 to 150 | °C |
| Thermal Resistance Junction-to-Case | 3 | °C/W |
| Supply Voltage Rejection Ratio (PSRR) | 36 | dB |
| Voltage Gain (open loop) | 80 | dB |
| Input Resistance | 70 - 150 | kΩ |
| Frequency Response (-3 dB) | 40 to 15,000 | Hz |
| Package / Case | Pentawatt-5 (Vertical, Bent and Staggered Leads) | |
| Number of Pins | 5 |
Key Features
- Low-frequency class AB amplifier suitable for audio amplification.
- Can provide up to 20 Watts as output power.
- High output current capability up to 3.5A.
- Very low harmonic and cross-over distortion.
- Short circuit and thermal protection.
- Load dump voltage surge protection up to 40V.
- Protection diodes in case of accidental open ground.
- Breadboard friendly.
- Available in 5-pin TO220 package.
Applications
The TDA2003V is used for audio signal amplification and is suitable for high-power amplification. It can operate on dual/split power supply and can be used to cascade audio speakers. This amplifier is particularly useful in car radio systems and other applications requiring high-quality audio amplification.
Q & A
- What is the maximum output power of the TDA2003V? The maximum output power of the TDA2003V is 12W at a load resistance of 1.6Ω RL.
- What is the operating supply voltage range for the TDA2003V? The operating supply voltage range is from 8V to 18V.
- What is the maximum output current capability of the TDA2003V? The TDA2003V can provide up to 3.5A of output current.
- Does the TDA2003V have built-in protection features? Yes, it includes short circuit and thermal protection, load dump voltage surge protection up to 40V, and protection diodes in case of accidental open ground.
- What package type is the TDA2003V available in? The TDA2003V is available in a 5-pin Pentawatt-5 package (Vertical, Bent and Staggered Leads).
- Can the TDA2003V be used in breadboard applications? Yes, it is breadboard friendly.
- What is the frequency response of the TDA2003V? The frequency response is from 40 Hz to 15,000 Hz.
- Can the TDA2003V handle high current for short durations? Yes, it can handle high current up to 5A for shorter durations without damage.
- Is the TDA2003V suitable for use in car radio systems? Yes, it is specifically designed for use in car radio and other high-power audio systems.
- What is the thermal resistance junction-to-case for the TDA2003V? The thermal resistance junction-to-case is 3°C/W.
