Overview
The TDA7786MTR, produced by STMicroelectronics, is a high-performance AM/FM tuner IC designed specifically for automotive car-radio applications. This component is part of the TDA7786x (ELITE) tuner family, which is optimized for high-performance reception of FM, AM, and weather bands. The TDA7786MTR is AEC-Q100 qualified, ensuring it meets the stringent standards for automotive electronics. It integrates various key components such as mixers, IF amplifiers, a fully integrated VCO, and a PLL synthesizer, making it a comprehensive solution for car-radio systems. The device also supports HD Radio™ reception when used in conjunction with an external baseband decoder.
Key Specifications
| Parameter | Description |
|---|---|
| Package | LQFP64 (10x10x1.4mm) |
| Supply Voltage | Single 5 V supply |
| Frequency Reception | FM, AM, and weather band |
| VCO | Fully integrated VCO for world tuning |
| PLL | High performance PLL for fast RDS system |
| AM LNA | Integrated AM LNA with low noise and high IIP2 and IIP3 |
| AGC | Programmable RFAGC for both AM and FM |
| Digital Interfaces | I2C bus-controlled, I2S input/output digital audio interfaces |
| MuSICA Algorithm | Available for multipath noise reduction in the TDA7786M version |
Key Features
- AEC-Q100 qualified for automotive use
- FM, AM, and weather band reception
- Fully integrated VCO for world tuning
- High performance PLL for fast RDS system
- Integrated AM LNA and PIN diodes
- Automatic self alignment for FM front-end pre-selection filter and image rejection
- Integrated IF filters with high selectivity, dynamic range, and adaptive bandwidth control
- Drift-free Digital-IF signal processing with high performance
- RDS demodulation with group and block synchronization
- High performance stereo decoder with noise-blanker
- Digital interface for HD Radio™ reception with digital audio blending
- I2C bus-controlled and I2S input/output digital audio interfaces
- Single 5 V supply and LQFP64 package
- MuSICA (multipath noise reduction) algorithm available for the TDA7786M version
Applications
The TDA7786MTR is primarily designed for automotive car-radio applications, offering high-performance reception of FM, AM, and weather bands. It is also suitable for use in combination with an external baseband decoder for HD Radio™ reception. The device's compact design and low number of external components make it ideal for space-constrained automotive systems.
Q & A
- What is the TDA7786MTR used for?
The TDA7786MTR is used for high-performance AM/FM and weather band reception in automotive car-radio applications.
- Is the TDA7786MTR AEC-Q100 qualified?
- What type of package does the TDA7786MTR come in?
The TDA7786MTR comes in a 64-pin LQFP package (10x10x1.4mm).
- Does the TDA7786MTR support HD Radio™ reception?
- What is the MuSICA algorithm in the TDA7786MTR?
The MuSICA algorithm is a proprietary multipath noise reduction feature available in the TDA7786M version.
- How is the TDA7786MTR controlled?
The TDA7786MTR is controlled via an I2C bus interface.
- What are the key digital interfaces of the TDA7786MTR?
The TDA7786MTR features I2C bus-controlled and I2S input/output digital audio interfaces.
- Does the TDA7786MTR have integrated IF filters?
- How does the TDA7786MTR handle AGC?
The TDA7786MTR features programmable RFAGC for both AM and FM, which senses the mixer inputs and controls the internal PIN diodes and LNA gains.
- What is the supply voltage for the TDA7786MTR?
The TDA7786MTR operates on a single 5 V supply.
