Overview
The STMicroelectronics E-TDA7377 is a high-performance class AB car radio amplifier designed for robust and efficient audio output. This amplifier can operate in either DUAL BRIDGE or QUAD SINGLE ENDED configurations, making it versatile for various automotive audio systems. The E-TDA7377 features a fully complementary structure in its output stage and internally fixed gain, ensuring maximum power performance with a minimal component count. It also includes onboard clip detection and fault diagnostics to simplify gain compression and detect installation errors.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Output Power | Per Channel | 35W + 35W | - |
| Power Supply | DC Supply Voltage | 9-15V | V |
| Channel Type | Stereo Configuration | 2.0 Stereo | - |
| Response Frequency | Audio Frequency Range | 20Hz - 20 KHz | Hz |
| Operating Supply Voltage | Maximum Operating Voltage | 18V | V |
| Peak Supply Voltage | Peak Voltage for t = 50ms | 50V | V |
| Output Peak Current | Non-repetitive (t = 100µs) | 4.5A | A |
| Output Peak Current | Repetitive (f > 10Hz) | 3.5A | A |
| Power Dissipation | Total Power Dissipation at Tcase = 85°C | 36W | W |
| Storage and Junction Temperature | Temperature Range | -40 to 150°C | °C |
| Thermal Resistance Junction-case | Maximum Thermal Resistance | 1.8°C/W | °C/W |
| Package | Package Type | MultiwAtt-15 | - |
Key Features
- Configurations: Can operate in DUAL BRIDGE or QUAD SINGLE ENDED configurations.
- Output Stage: Fully complementary structure ensuring high power performance with minimal components.
- Internally Fixed Gain: Simplifies circuit design and ensures consistent performance.
- Onboard Clip Detector: Simplifies gain compression operations.
- Fault Diagnostics: Detects mistakes during car radio set assembly and wiring.
- Protection Features: Load dump voltages surge, reversed battery, output DC short, output AC short circuit protection, thermal shutdown, and ESD protection.
- Silent Turn On/Off: Reduces noise during power-up and power-down.
- RoHS Compliance: Compliant with the Restriction of Certain Hazardous Substances directive.
Applications
- Automotive Audio Systems: Ideal for car radio amplifiers and other automotive audio applications.
- Home Audio Systems: Can be used in home audio setups requiring high power and efficiency.
- Public Address Systems: Suitable for public address and sound reinforcement systems.
- Professional Audio Equipment: Used in professional audio equipment such as mixers and amplifiers.
Q & A
- What is the output power of the E-TDA7377?
The E-TDA7377 has an output power of 35W + 35W per channel.
- What are the operating voltage ranges for the E-TDA7377?
The E-TDA7377 operates with a DC supply voltage of 9-15V.
- What are the key configurations of the E-TDA7377?
The E-TDA7377 can operate in either DUAL BRIDGE or QUAD SINGLE ENDED configurations.
- What protection features does the E-TDA7377 have?
The E-TDA7377 includes protections such as load dump voltages surge, reversed battery, output DC short, output AC short circuit protection, thermal shutdown, and ESD protection.
- Is the E-TDA7377 RoHS compliant?
Yes, the E-TDA7377 is RoHS compliant.
- What is the thermal resistance junction-case of the E-TDA7377?
The thermal resistance junction-case of the E-TDA7377 is 1.8°C/W.
- What is the response frequency range of the E-TDA7377?
The response frequency range of the E-TDA7377 is 20Hz - 20 KHz.
- What package type does the E-TDA7377 come in?
The E-TDA7377 comes in a MultiwAtt-15 package.
- Does the E-TDA7377 have onboard diagnostics?
Yes, the E-TDA7377 includes fault diagnostics to detect mistakes during car radio set assembly and wiring.
- How does the E-TDA7377 handle power-up and power-down?
The E-TDA7377 features silent turn on/off to reduce noise during power-up and power-down.
