Overview
The TDA7575BPDTR, produced by STMicroelectronics, is a MOSFET dual bridge amplifier specifically designed for car radio applications. This device features a DMOS output stage, which ensures very low distortion and a clear, powerful sound. The TDA7575BPDTR is part of the TDA7575B series, known for its high-efficiency class AB operation and advanced diagnostic capabilities.
It is particularly suited for high-power audio systems, offering superior efficiency that reduces power dissipation by up to 50% compared to conventional class AB solutions. This makes it an ideal choice for simplifying thermal management in high-power audio sets.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage | 18 | V |
| Output Power (2x) | 2x75 W / 2 Ω, 1x150 W / 1 Ω | W |
| Output Power (4 Ω, 10% THD) | 2x28 W | W |
| Frequency | 1 kHz | Hz |
| Load Resistance | 1 Ω, 2 Ω, 4 Ω | Ω |
| Package Type | PowerSO-36 Exposed Top Pad | |
| Temperature Range | -55 to 150 °C | °C |
| I2C Bus Capability | Full I2C bus with 4 address possibilities |
Key Features
- Multipower BCD technology
- MOSFET output power stage with DMOS power output
- High-efficiency class AB operation
- Single-channel 1 Ω driving capability
- Full I2C bus driving with 4 address possibilities (Standby, Play/mute, Gain 12/26 dB, Full digital diagnostic)
- Possibility to disable the I2C bus
- Differential inputs
- Full fault protection, including DC offset detection and two independent short circuit protections
- Diagnostic on clipping detector with selectable threshold (2% / 10%)
- Clipping detector as diagnostic pin when I2C bus is disabled
- ESD protection
Applications
The TDA7575BPDTR is primarily designed for car radio and automotive audio systems. Its high power output, low distortion, and advanced diagnostic features make it suitable for a variety of automotive audio applications, including:
- Car radios and infotainment systems
- Automotive sound systems requiring high power and efficiency
- Systems needing advanced diagnostic and fault protection capabilities
Q & A
- What is the primary application of the TDA7575BPDTR?
The TDA7575BPDTR is primarily designed for car radio and automotive audio systems.
- What type of output stage does the TDA7575BPDTR use?
The TDA7575BPDTR uses a DMOS output stage.
- What is the maximum output power of the TDA7575BPDTR?
The maximum output power is 2x75 W / 2 Ω and 1x150 W / 1 Ω.
- Does the TDA7575BPDTR support I2C bus communication?
- What kind of fault protection does the TDA7575BPDTR offer?
The TDA7575BPDTR offers full fault protection, including DC offset detection and two independent short circuit protections.
- Can the I2C bus be disabled on the TDA7575BPDTR?
- What is the operating supply voltage range of the TDA7575BPDTR?
The operating supply voltage is up to 18 V.
- What is the temperature range for the TDA7575BPDTR?
The temperature range is -55 to 150 °C.
- What type of package does the TDA7575BPDTR come in?
The TDA7575BPDTR comes in a PowerSO-36 Exposed Top Pad package.
- Does the TDA7575BPDTR have ESD protection?
