Overview
The TDA7265A is a class AB dual audio power amplifier IC manufactured by STMicroelectronics. It is specifically designed for high-quality sound applications, such as Hi-Fi music centers and stereo TV sets. The amplifier is packaged in the Multiwatt-11 format, which is a vertical, bent, and staggered lead package. This IC is known for its high output power and efficiency, making it suitable for a variety of audio amplification needs.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Range | ±5 | - | ±25 | V |
| Output Power (per channel) | - | - | 25W @ RL = 8Ω, Vs = ±20V | W |
| Total Quiescent Current | 80 | 130 | - | mA |
| Input Offset Voltage | -20 | - | 20 | mV |
| Non-Inverting Input Bias Current | - | 500 | - | nA |
| Maximum Supply Voltage | - | - | ±25 | V |
| Maximum Repetitive Current per Output | - | - | 4.5 | A |
| Total Power Dissipation | - | - | 30 | W |
| Operating Temperature | -20 | - | 85 | °C |
| Storage Temperature | -40 | - | 150 | °C |
Key Features
- High output power: 25W + 25W @ RL = 8Ω, Vs = ±20V
- Wide operating supply voltage range: ±5V to ±25V
- Output short circuit protection
- Thermal overload protection
- No pop at turn-on/off
- Mute enable pin available
- Stand-by feature (low Iq)
- Split supply operation
- Low number of external components required
Applications
- Audio power amplifiers
- Stereo TV sets
- Hi-Fi music centers
- Guitar amplifiers
- Music players
- Woofer amplifiers
- Hobby projects
Q & A
- What is the maximum output power of the TDA7265A?
The maximum output power of the TDA7265A is 25W + 25W @ RL = 8Ω, Vs = ±20V.
- What is the operating supply voltage range of the TDA7265A?
The operating supply voltage range is ±5V to ±25V.
- Does the TDA7265A have short circuit protection?
- What is the typical quiescent current of the TDA7265A?
The typical quiescent current is 130 mA.
- Does the TDA7265A have a mute feature?
- What is the maximum repetitive current allowed per output?
The maximum repetitive current allowed per output is 4.5 A.
- What is the total power dissipation of the TDA7265A?
The total power dissipation is 30 W.
- What is the operating temperature range of the TDA7265A?
The operating temperature range is -20°C to 85°C.
- What is the storage temperature range of the TDA7265A?
The storage temperature range is -40°C to 150°C.
- In what package is the TDA7265A available?
The TDA7265A is available in the Multiwatt-11 package.
