Overview
The TDA7703TR, produced by STMicroelectronics, is a highly integrated tuner designed specifically for AM/FM car radio applications. This component is part of the TDA7703 family and is known for its comprehensive integration of various functionalities, making it a robust and efficient solution for automotive audio systems.
The TDA7703TR includes mixers and IF amplifiers for both AM and FM, a fully integrated VCO and PLL synthesizer, and advanced IF-processing capabilities such as adaptive bandwidth control for FM signals. It also features a high-performance stereo decoder with a noise blanker and is controlled via an I2C bus.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | LQFP44 (10x10x1.4mm) |
| Supply Voltage | 4.7V to 5.25V |
| Operating Temperature | -30°C to 75°C |
| Current Consumption | 220mA |
| RoHS Compliance | ROHS3 Compliant |
| Packing | Tray and Tape & Reel |
Key Features
- Fully integrated VCO for world tuning
- AM/FM mixers with high image rejection
- Integrated AM-LNA and AM-PINDIODE
- Automatic self-alignment for image rejection
- Digital IF signal processing with high performance and drift-free operation
- Integrated IF-filters with high selectivity and dynamic range, and FM adaptive bandwidth control
- High-performance stereo decoder with noise blanker
- I2C bus controlled
- Single 5V supply
- Very low number of external components required
- Very small space occupation and easy application
- High flexibility by software control
Applications
The TDA7703TR is specifically designed for AM/FM car radio applications. Its integrated features and high performance make it an ideal choice for automotive audio systems, providing reliable and efficient tuning capabilities.
Q & A
- What is the primary application of the TDA7703TR?
The TDA7703TR is primarily used in AM/FM car radio applications.
- What is the package type of the TDA7703TR?
The TDA7703TR comes in an LQFP44 package (10x10x1.4mm).
- What is the supply voltage range for the TDA7703TR?
The supply voltage range is 4.7V to 5.25V.
- What is the operating temperature range for the TDA7703TR?
The operating temperature range is -30°C to 75°C.
- Is the TDA7703TR RoHS compliant?
Yes, the TDA7703TR is ROHS3 compliant.
- What are the key features of the TDA7703TR?
Key features include fully integrated VCO, AM/FM mixers with high image rejection, integrated AM-LNA and AM-PINDIODE, automatic self-alignment for image rejection, digital IF signal processing, and more.
- How is the TDA7703TR controlled?
The TDA7703TR is controlled via an I2C bus.
- What are the benefits of using the TDA7703TR in automotive audio systems?
The benefits include a very low number of external components, small space occupation, high selectivity due to digital filters, and high flexibility by software control.
- Does the TDA7703TR have integrated IF-filters?
Yes, it has integrated IF-filters with high selectivity and dynamic range, and FM adaptive bandwidth control.
- Does the TDA7703TR support stereo decoding?
Yes, it includes a high-performance stereo decoder with a noise blanker.
