Overview
The TDA7418TR, produced by STMicroelectronics, is a highly integrated 3-band car audio processor designed to enhance audio signal processing in automotive and other audio applications. This device features a comprehensive set of functionalities including input multiplexing, loudness control, volume adjustment, and independent bass, middle, and treble filters. The TDA7418TR is part of the AEC-Q100 series, ensuring it meets stringent automotive quality standards.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | 20-SOIC (0.295, 7.50mm Width) |
| Number of Pins | 20 |
| Supply Voltage | 8V to 10V |
| Operating Temperature Range | -40°C to +85°C |
| Interface | I2C |
| Number of Channels | 4 |
| Height Seated (Max) | 2.65 mm |
| Width | 7.5 mm |
| Terminal Pitch | 1.27 mm |
| Terminal Position | DUAL |
| ROHS Status | ROHS3 Compliant |
Key Features
- Input Multiplexer: Supports multiple input configurations including pseudo differential stereo input and single-ended inputs.
- Loudness Control: Features a second-order frequency response with programmable center frequency and selectable low and high frequency boost.
- Volume Control: Offers +15dB to -79dB adjustment with 1dB step resolution and soft-step control with programmable blend times.
- Bass, Middle, and Treble Filters: Each filter has programmable center frequencies and quality factors, allowing for precise audio tuning.
- Speaker and Subwoofer Controls: Independent soft-step level controls for speakers and subwoofer output.
- Mute Functions: Includes direct mute and digitally controlled SoftMute with programmable mute times.
- AutoZero Function: Internal offset-cancellation for improved signal quality.
Applications
The TDA7418TR is primarily designed for automotive audio systems but can also be used in various other audio processing applications, such as:
- Car audio systems
- Home audio systems requiring advanced signal processing
- Professional audio equipment
- Consumer electronics with audio enhancement needs
Q & A
- What is the TDA7418TR used for?
The TDA7418TR is used as a 3-band car audio processor to enhance and control audio signals in automotive and other audio applications.
- What is the supply voltage range for the TDA7418TR?
The supply voltage range is from 8V to 10V.
- What type of package does the TDA7418TR come in?
The TDA7418TR comes in a 20-SOIC package.
- What is the operating temperature range of the TDA7418TR?
The operating temperature range is from -40°C to +85°C.
- Does the TDA7418TR support I2C interface?
Yes, the TDA7418TR supports the I2C interface.
- What are the key features of the TDA7418TR's input multiplexer?
The input multiplexer supports pseudo differential stereo input, programmable as single-ended input, and multiple single-ended inputs.
- Can the TDA7418TR be used in non-automotive applications?
Yes, it can be used in various other audio processing applications beyond automotive systems.
- What is the AutoZero function in the TDA7418TR?
The AutoZero function is an internal offset-cancellation feature that improves signal quality.
- How many channels does the TDA7418TR support?
The TDA7418TR supports 4 channels.
- Is the TDA7418TR ROHS compliant?
Yes, the TDA7418TR is ROHS3 compliant.
