Overview
The FDA802-VYT is a high-performance, dual bridge class D amplifier designed by STMicroelectronics, specifically intended for automotive audio applications. This amplifier integrates a high-quality D/A converter and powerful MOSFET outputs, offering outstanding efficiency and performance. It is designed to operate under a wide range of supply voltages, from 5.5 V to 50 V, making it suitable for both standard car battery and boosted power supply configurations. The device features independent channel operation, diagnostic capabilities via the I2C bus, and integrated fault protection, making it a robust and reliable choice for automotive audio systems.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | STMicroelectronics | Series | FDA802 |
| Product | Audio Amplifiers | Class | Class-D |
| Output Power | 150 W | Mounting Style | SMD/SMT |
| Type | Automotive Power Amplifier | Audio - Load Impedance | 8 Ohms |
| THD plus Noise | 10 % | Supply Voltage - Max | 50 V |
| Supply Voltage - Min | 5.5 V | Minimum Operating Temperature | -40 C |
| Maximum Operating Temperature | + 105 C | Qualification | AEC-Q101 |
| Packaging | Reel | Brand | STMicroelectronics |
| Input Type | Digital | Number of Channels | 2 Channel |
| Factory Pack Quantity | 1000 |
Key Features
- Integrated 110 dB D/A conversion with a dynamic range of 110 dB.
- I2S and TDM digital input (3.3/1.8 V) with input sampling frequencies of 44.1 kHz, 48 kHz, 96 kHz, and 192 kHz.
- Full I2C bus driving (3.3/1.8 V) with 8 different I2C bus addresses.
- EMI control for FM/AM compatibility and compliance with IEC61967-4 and IEC62132-4 standards.
- Low radiation function (LRF) and very low quiescent current.
- Output low-pass filter included in the feedback loop for outstanding audio performances.
- Wide operating supply range: 5.5 V to 50 V.
- MOSFET power outputs allowing high output power capability under step-up voltage.
- Independent channel operation and ability to drive 2 Ω loads.
- Integrated fault protection, including short to Vcc/GND diagnostic, DC load diagnostic, and AC load diagnostic.
Applications
The FDA802-VYT is specifically designed for automotive audio applications, particularly for car radio systems. It is suitable for use in standard single DIN car-radio boxes and can operate under the conditions specified by recent low-voltage ('start-stop') car-makers. Its high performance, efficiency, and diagnostic capabilities make it an ideal choice for automotive infotainment systems.
Q & A
- What is the FDA802-VYT?
The FDA802-VYT is a dual bridge class D amplifier designed for automotive audio applications, integrating a high-quality D/A converter and powerful MOSFET outputs. - What are the key features of the FDA802-VYT?
Key features include integrated 110 dB D/A conversion, I2S and TDM digital input, full I2C bus driving, EMI control, low radiation function, and wide operating supply range. - What is the operating voltage range of the FDA802-VYT?
The FDA802-VYT operates under a supply voltage range of 5.5 V to 50 V. - What type of loads can the FDA802-VYT drive?
The FDA802-VYT can drive loads as low as 2 Ω. - What diagnostic capabilities does the FDA802-VYT offer?
The device offers diagnostic capabilities via the I2C bus, including short to Vcc/GND diagnostic, DC load diagnostic, and AC load diagnostic. - Is the FDA802-VYT qualified for automotive use?
Yes, the FDA802-VYT is AEC-Q101 qualified, making it suitable for automotive applications. - What is the maximum output power of the FDA802-VYT?
The maximum output power is 2 x 270 W /8 Ω @ 50 V. - How does the FDA802-VYT manage EMI?
The device includes EMI control for FM/AM compatibility and complies with IEC61967-4 and IEC62132-4 standards. - What is the package type of the FDA802-VYT?
The FDA802-VYT comes in an LQFP64 package with an exposed pad. - Can the FDA802-VYT operate under low-voltage conditions?
Yes, it can operate under low-voltage conditions as specified by recent 'start-stop' car-makers.
