Overview
The TDA2005R is a class B dual audio power amplifier produced by STMicroelectronics, specifically designed for car radio applications. It is packaged in the Multiwatt11 format and is renowned for its high current capability and ability to drive very low impedance loads. This amplifier can deliver an output power of more than 20 W in bridge configuration and is suitable for creating power booster amplifiers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 8 - 18 | V |
| Output Power (Bridge Configuration) | 20 W @ RL = 4 Ω, THD = 10% | W |
| Output Power (Stereo Configuration) | 10 + 10 W @ RL = 2 Ω, THD = 10% | W |
| Peak Supply Voltage (50 ms) | 40 | V |
| Output Peak Current (Non-Repetitive, t = 0.1 ms) | 4.5 | A |
| Output Peak Current (Repetitive, f ≥ 10 Hz) | 3.5 | A |
| Power Dissipation at Tcase = 60 °C | 20 | W |
| Storage and Junction Temperature | -40 to 150 | °C |
| Thermal Resistance Junction-to-Case | 3 | °C/W |
Key Features
- High Output Power: Up to 20 W in bridge configuration and 10 + 10 W in stereo configuration at THD = 10%.
- Protection Features: Protection against output DC and AC short circuit to ground, overrating chip temperature, load dump voltage surge, fortuitous open ground, very inductive loads, and loudspeaker protection during short circuit for one wire to ground.
- High Current Capability: Up to 3.5 A, enabling the drive of very low impedance loads (down to 1.6 Ω in stereo applications).
- Efficiency: High efficiency in both bridge and stereo configurations.
- Supply Voltage Rejection: Good supply voltage rejection ratio to minimize noise.
Applications
The TDA2005R is primarily designed for car radio applications, making it an ideal choice for automotive audio systems. It can also be used in other applications requiring high power audio amplification, such as power booster amplifiers and loudspeaker systems.
Q & A
- What is the TDA2005R used for? The TDA2005R is used for car radio applications and other high power audio amplification needs.
- What is the maximum output power of the TDA2005R in bridge configuration? The maximum output power is 20 W at RL = 4 Ω, THD = 10%.
- What is the maximum current capability of the TDA2005R? The maximum current capability is up to 3.5 A.
- What kind of protection features does the TDA2005R have? It has protection against output DC and AC short circuit to ground, overrating chip temperature, load dump voltage surge, fortuitous open ground, very inductive loads, and loudspeaker protection during short circuit for one wire to ground.
- What is the operating temperature range of the TDA2005R? The storage and junction temperature range is -40 to 150 °C.
- What package type is the TDA2005R available in? It is available in the Multiwatt11 package.
- What is the thermal resistance junction-to-case of the TDA2005R? The thermal resistance junction-to-case is 3 °C/W.
- Can the TDA2005R drive low impedance loads? Yes, it can drive loads down to 1.6 Ω in stereo applications.
- What is the efficiency of the TDA2005R? The efficiency is around 60% in both bridge and stereo configurations.
- Is the TDA2005R RoHS compliant? Yes, it is RoHS compliant with an Ecopack1 grade.
