Overview
The TDA7564BPD, produced by STMicroelectronics, is a quad bridge type car radio amplifier designed using BCD (Bipolar, CMOS, DMOS) technology. This device is specifically intended for car radio applications and is available in the PowerSO36 package. It features a high-efficiency class SB amplifier with a MOSFET output power stage, ensuring low distortion and powerful sound output. The TDA7564BPD is equipped with advanced diagnostics and protection features, including I2C bus communication, short circuit protection, and thermal shutdown, making it an ideal choice for high-power car audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Supply Voltage (Vop) | 18 | V |
| DC Supply Voltage (VS) | 28 | V |
| Peak Supply Voltage (Vpeak) | 50 | V |
| Output Power (RL = 4 Ω, THD 10%) | 4 x 28 W | W |
| Output Power (RL = 2 Ω, THD 10%) | 4 x 50 W | W |
| Maximum Output Power (RL = 2 Ω) | 4 x 72 W | W |
| Total Harmonic Distortion (THD) at 1 W to 10 W | 0.02% | % |
| Cross Talk (f = 1 kHz to 10 kHz, Rg = 600 Ω) | 50 dB | dB |
| Input Impedance | 60 kΩ to 130 kΩ | kΩ |
| Power Dissipation (Tcase = 70 °C) | 85 W | W |
| Storage and Junction Temperature | -55 to 150 °C | °C |
Key Features
- Multipower BCD technology for high efficiency and low distortion.
- MOSFET output power stage with DMOS power output.
- High efficiency class SB operation.
- Full I2C bus driving for standby, independent front/rear soft play/mute, selectable gain, and high efficiency enable/disable.
- I2C bus digital diagnostics including AC and DC load detection.
- Full fault protection with DC offset detection, short circuit protection, and clipping detector.
- Linear thermal shutdown with multiple thermal warnings.
- ESD protection.
Applications
The TDA7564BPD is specifically designed for car radio applications, particularly in high-power car audio systems. It is suitable for use in various automotive audio setups where high efficiency, low distortion, and robust diagnostics are required.
Q & A
- What is the maximum output power of the TDA7564BPD?
The maximum output power of the TDA7564BPD is 4 x 72 W with a 2 Ω load and 10% THD.
- What is the operating supply voltage range for the TDA7564BPD?
The operating supply voltage range is up to 18 V.
- What type of technology is used in the TDA7564BPD?
The TDA7564BPD uses BCD (Bipolar, CMOS, DMOS) technology.
- Does the TDA7564BPD have built-in diagnostics?
Yes, it features a full diagnostics array that communicates the status of each speaker through the I2C bus.
- What kind of protection features does the TDA7564BPD have?
The device includes full fault protection, DC offset detection, short circuit protection, clipping detector, and linear thermal shutdown.
- What is the package type for the TDA7564BPD?
The TDA7564BPD is available in the PowerSO36 package.
- How does the I2C bus interface work on the TDA7564BPD?
The I2C bus allows for control of standby, independent front/rear soft play/mute, selectable gain, and high efficiency enable/disable, as well as digital diagnostics.
- What is the typical input impedance of the TDA7564BPD?
The input impedance ranges from 60 kΩ to 130 kΩ.
- What is the maximum power dissipation of the TDA7564BPD?
The maximum power dissipation is 85 W at Tcase = 70 °C.
- What are the storage and junction temperature ranges for the TDA7564BPD?
The storage and junction temperature ranges are -55 to 150 °C.
