Overview
The E-TDA7377A, produced by STMicroelectronics, is a high-performance class AB car radio amplifier. This amplifier is designed to operate in either dual bridge or quad single-ended configurations, making it versatile for various audio applications. It features a fully complementary structure in the output stage and internally fixed gain, ensuring maximum power performance with a minimal component count. The onboard clip detector simplifies gain compression, and fault diagnostics enable the detection of installation and wiring issues in car radio systems.
Key Specifications
| Type | Description |
|---|---|
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) - Linear - Amplifiers - Audio |
| Package | Multiwatt-15 |
| Output Type | 2-Channel (Stereo) or 4-Channel (Quad) |
| Max Output Power x Channels @ Load | 35W x 2 @ 4 Ohm; 10W x 4 @ 2 Ohm |
| Voltage - Supply | 8 V ~ 18 V |
| Operating Supply Voltage | 18 V |
| Peak Supply Voltage (for t = 50ms) | 50 V |
| Output Peak Current (not repetitive t = 100µs) | 4.5 A |
| Output Peak Current (repetitive f > 10Hz) | 3.5 A |
| Power Dissipation (Tcase = 85°C) | 36 W |
| Storage and Junction Temperature | -40 to 150 °C |
| Thermal Resistance Junction-case | Max 1.8 °C/W |
Key Features
- Fully complementary structure in the output stage for high power performance with minimal component count.
- Internally fixed gain for simplified circuit design.
- Onboard clip detector for easy gain compression operation.
- Fault diagnostics to detect installation and wiring issues in car radio systems.
- Depop, short-circuit, and thermal protection for enhanced reliability.
- Standby mode for power conservation.
Applications
- Car radio systems: The E-TDA7377A is specifically designed for use in car audio systems, offering high power output and robust protection features.
- Home audio systems: Its versatility in configuration (dual bridge or quad single-ended) makes it suitable for various home audio applications.
- Professional audio equipment: The amplifier's high power output and reliability make it a good choice for professional audio setups.
Q & A
- What is the E-TDA7377A?
The E-TDA7377A is a class AB car radio amplifier produced by STMicroelectronics, capable of operating in dual bridge or quad single-ended configurations.
- What are the output power specifications of the E-TDA7377A?
The E-TDA7377A can deliver up to 35W x 2 @ 4 Ohm or 10W x 4 @ 2 Ohm.
- What is the supply voltage range for the E-TDA7377A?
The supply voltage range is from 8 V to 18 V.
- What protection features does the E-TDA7377A have?
The amplifier includes depop, short-circuit, and thermal protection.
- How does the fault diagnostics feature work?
The fault diagnostics feature allows for the detection of mistakes during car radio set assembly and wiring.
- What is the thermal resistance junction-case of the E-TDA7377A?
The thermal resistance junction-case is maximum 1.8 °C/W.
- Can the E-TDA7377A be used in home audio systems?
- What is the storage temperature range for the E-TDA7377A?
The storage temperature range is from -40 to 150 °C.
- Does the E-TDA7377A have a standby mode?
- Where can I find the datasheet for the E-TDA7377A?
The datasheet for the E-TDA7377A can be found on the official STMicroelectronics website or through authorized distributors like Digi-Key, Heisener, etc.
