Overview
The TDA2005 is a class B dual audio power amplifier produced by STMicroelectronics, specifically designed for car radio applications. It is packaged in the Multiwatt11 format, which is ideal for automotive use due to its high current capability and ability to drive very low impedance loads.
This amplifier is particularly useful for designing power booster amplifiers, as it can deliver an output power of more than 20 W in bridge configuration and up to 10 + 10 W in stereo configuration at 2 Ω load with a THD of 10%.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Power (Bridge Configuration) | 20 W | - |
| Output Power (Stereo Configuration) | 10 + 10 W @ RL = 2 Ω, THD = 10% | - |
| Maximum Supply Voltage | 18 V | V |
| Peak Supply Voltage (50 ms) | 40 V | V |
| Maximum Output Current (Repetitive) | 3.5 A | A |
| Maximum Output Current (Non-Repetitive) | 4.5 A | A |
| Operating Temperature Range | -23°C to 130°C | °C |
| Storage Temperature Range | -40°C to 150°C | °C |
| Total Power Dissipation | 30 W | W |
Key Features
- High output power: Up to 20 W in bridge configuration and 10 + 10 W in stereo configuration at 2 Ω load with a THD of 10%.
- Protection against output DC and AC short circuit to ground, overrating chip temperature, load dump voltage surge, fortuitous open ground, and very inductive loads.
- Loudspeaker protection during short circuit for one wire to ground.
- High current capability (up to 3.5 A) and ability to drive very low impedance loads (down to 1.6 Ω in stereo applications).
- Operating voltage range: +8 to +18 V.
- Programmable gain and bandwidth.
- Very low number of components required to get the amplifier working.
Applications
The TDA2005 is specifically designed for car radio applications, making it an ideal choice for automotive audio systems. Its high output power and ability to drive low impedance loads make it suitable for power booster amplifiers in vehicle audio setups.
Q & A
- What is the TDA2005?
The TDA2005 is a 20 Watt audio amplifier IC in a Multiwatt11 package, specifically suited for automotive radio applications.
- What is the maximum output power of the TDA2005?
The TDA2005 can deliver up to 20 W in bridge configuration and 10 + 10 W in stereo configuration at 2 Ω load with a THD of 10%.
- What is the maximum supply voltage for the TDA2005?
The maximum supply voltage for the TDA2005 is 18 V, with a peak supply voltage of 40 V for 50 ms.
- What kind of protection does the TDA2005 offer?
The TDA2005 offers protection against output DC and AC short circuit to ground, overrating chip temperature, load dump voltage surge, fortuitous open ground, and very inductive loads. It also provides loudspeaker protection during short circuit for one wire to ground.
- What is the operating temperature range of the TDA2005?
The operating temperature range of the TDA2005 is -23°C to 130°C, and the storage temperature range is -40°C to 150°C).
- Can the TDA2005 be used in bridge or stereo configuration?
Yes, the TDA2005 can be used in both bridge and stereo configurations, making it versatile for different audio system designs).
- What is the maximum output current of the TDA2005?
The maximum repetitive output current is 3.5 A, and the maximum non-repetitive peak current is 4.5 A).
- Is the TDA2005 suitable for power booster amplifiers?
Yes, the TDA2005 is highly suitable for designing power booster amplifiers due to its high current capability and ability to drive very low impedance loads).
- Can the TDA2005 and TDA2009 be used interchangeably?
No, while both chips share some similarities, the TDA2009 has higher voltage resistance and higher power output compared to the TDA2005. The TDA2009 can operate up to 26 V, whereas the TDA2005 is limited to 18 V).
- What is the total power dissipation of the TDA2005?
The total power dissipation of the TDA2005 is 30 W).
