Overview
The TDA2030H, produced by STMicroelectronics, is a monolithic integrated circuit designed as a low-frequency class-AB amplifier. It is packaged in the Pentawatt® horizontal package and is intended for high-fidelity audio applications. The device is capable of delivering high output current with very low harmonic and crossover distortion. It features a wide range of supply voltage options, up to 36 V, and can operate with either single or split power supplies. The TDA2030H also includes advanced protection features such as short-circuit protection and thermal shutdown, ensuring reliable operation and preventing damage from overheating or short circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Vs) | ±18 (36) | V |
| Input Voltage (Vi) | Vs | V |
| Differential Input Voltage | ±15 | V |
| Output Peak Current (Io) | 3.5 | A |
| Power Dissipation at Tcase = 90 °C (Ptot) | 20 | W |
| Storage and Junction Temperature (Tstg, Tj) | -40 to 150 | °C |
| Thermal Resistance Junction-Case (Rth j-case) | max 3 | °C/W |
| Quiescent Drain Current (Id) | 40 to 60 | mA |
| Input Bias Current (Ib) | 0.2 to 2 | μA |
| Input Offset Voltage (VOS) | ± 2 to ± 20 | mV |
| Input Offset Current (IOS) | ± 20 to ± 200 | nA |
| Output Power (Po) at 4 Ω, d = 0.5% | 12 to 14 | W |
| Output Power (Po) at 8 Ω, d = 0.5% | 8 to 9 | W |
| Distortion at 4 Ω, f = 40 to 15,000 Hz | 0.1 to 0.5% | % |
| Frequency Response (-3 dB) | 10 Hz to 140 kHz | Hz |
| Input Resistance (Ri) | 0.5 to 5 | MΩ |
| Voltage Gain (Open Loop) | 90 | dB |
| Voltage Gain (Closed Loop) at f = 1 kHz | 29.5 to 30.5 | dB |
| Input Noise Voltage (eN) | 3 to 10 | µV |
| Input Noise Current (iN) | 80 to 200 | pA |
| Supply Voltage Rejection (SVR) | 40 to 50 | dB |
| Thermal Shutdown Junction Temperature (Tj) | 145 | °C |
Key Features
- Wide-range supply voltage: Up to 36 V, with options for single or split power supplies.
- High output power: Typically 14 W at 14 V/4 Ω and 8 W at 28 V/8 Ω.
- Low distortion: Very low harmonic and crossover distortion.
- Short-circuit protection: An original and patented system to limit the dissipated power and keep the output transistors within their safe operating range.
- Thermal shutdown: Automatically reduces power dissipation if the junction temperature exceeds 150°C.
- High input resistance: 0.5 to 5 MΩ.
- High voltage gain: Up to 90 dB in open loop and 29.5 to 30.5 dB in closed loop at 1 kHz.
Applications
- Hi-fi audio systems: Suitable for high-fidelity audio amplifiers due to its low distortion and high output power.
- Professional audio equipment: Can be used in professional audio applications requiring reliable and high-quality amplification.
- Home audio systems: Ideal for home stereo systems and other consumer audio devices.
- Bridge amplifier configurations: Can be configured in bridge mode to achieve higher output power, such as 28 W with ±14 V supply.
Q & A
- What is the maximum output power of the TDA2030H at 4 Ω and 8 Ω loads?
The TDA2030H can deliver up to 14 W at 4 Ω and up to 9 W at 8 Ω with a distortion of 0.5%.
- What are the supply voltage options for the TDA2030H?
The device can operate with supply voltages up to ±18 V (36 V total) and supports both single and split power supply configurations.
- What kind of protection features does the TDA2030H have?
The TDA2030H includes short-circuit protection and thermal shutdown to prevent damage from overheating or short circuits.
- What is the thermal shutdown junction temperature for the TDA2030H?
The thermal shutdown junction temperature is 145°C.
- How does the short-circuit protection system work in the TDA2030H?
The short-circuit protection system limits the dissipated power to keep the output transistors within their safe operating range, reducing the risk of damage during accidental short circuits.
- What is the typical quiescent drain current of the TDA2030H?
The typical quiescent drain current is between 40 to 60 mA.
- What is the input offset voltage range for the TDA2030H?
The input offset voltage range is ±2 to ±20 mV.
- What is the frequency response of the TDA2030H?
The frequency response is from 10 Hz to 140 kHz.
- Can the TDA2030H be used in bridge amplifier configurations?
Yes, it can be used in bridge configurations to achieve higher output power, such as 28 W with ±14 V supply.
- What are the recommended heatsink dimensions for the TDA2030H?
The recommended heatsink dimensions vary based on the maximum allowable power dissipation and thermal resistance; for example, a 60 mm long heatsink is recommended for 12 W power dissipation with a thermal resistance of 4.2 °C/W.
