Overview
The SAF7741HV/N115YK, produced by NXP USA Inc., is a sophisticated integrated circuit designed for high-performance car radio systems. This device combines Intermediate-Frequency (IF) car radio and audio Digital Signal Processor (DSP) functionalities on a single chip. It integrates analog IF input, digital radio and audio processing, sample-rate converters, and both digital and analog audio output. This integration enhances listening clarity and noise suppression while reducing multipath channel effects.
Key Specifications
| Parameter | Description |
|---|---|
| Part Number | SAF7741HV/N115YK |
| Manufacturer | NXP USA Inc. |
| Package Type | 144 leads; plastic thermal enhanced low profile quad flat package (HLQFP144) |
| Supply Voltage | 1.8 V (digital core), 3.3 V (IF ADCs and RGPDACs) |
| Processing Cores | Dual processing blocks for radio and audio |
| Interfaces | RDS bit clock/output, RDS data output, general reset, system clock in/output, etc. |
| Audio Features | Dynamic loudness, bass boost, audio level meter, CD dynamics compressor/expander, AM processing with soft mute and high cut control |
Key Features
- Dual Processing Blocks: Separate blocks for radio and audio processing, demodulating IF or low-IF tuner output and delivering digital audio to internal Digital-to-Analog Converters (DACs).
- Advanced Audio Processing: Includes dynamic loudness, bass boost, audio level meter, Compact Disc (CD) dynamics compressor/expander, and improved AM processing with soft mute and high cut control.
- Signal Quality Enhancement: Features signal level, noise, and multi-path detection for AM/FM signal quality information and AM audio AGC with click suppression.
- Configurable Functions: User-specific functions can be configured to match the software platform required by individual car-radio manufacturers, providing high product differentiation.
- Compatibility: Works with TEF7000 and TEF6730 integrated tuners for analog and digital AM/FM decoding and sound processing.
Applications
The SAF7741HV/N115YK is specifically designed for use in high-performance car radio systems. It is ideal for automotive audio systems that require advanced radio and audio processing capabilities, including analog and digital AM/FM decoding and sound processing.
Q & A
- What is the primary function of the SAF7741HV/N115YK?
The primary function is to serve as a combined Intermediate-Frequency (IF) car radio and audio Digital Signal Processor (DSP) in high-performance car radio systems.
- What type of package does the SAF7741HV/N115YK come in?
The device comes in a 144 leads; plastic thermal enhanced low profile quad flat package (HLQFP144).
- What are the supply voltages for the SAF7741HV/N115YK?
The device operates with 1.8 V for the digital core and 3.3 V for IF ADCs and RGPDACs.
- What are some of the advanced audio features of the SAF7741HV/N115YK?
Features include dynamic loudness, bass boost, audio level meter, CD dynamics compressor/expander, and improved AM processing with soft mute and high cut control.
- Can the SAF7741HV/N115YK be configured for different software platforms?
Yes, it can be configured to match the software platform required by individual car-radio manufacturers, providing high product differentiation.
- What tuners is the SAF7741HV/N115YK compatible with?
It is compatible with TEF7000 and TEF6730 integrated tuners for analog and digital AM/FM decoding and sound processing.
- What kind of signal quality enhancements does the SAF7741HV/N115YK offer?
It includes signal level, noise, and multi-path detection for AM/FM signal quality information and AM audio AGC with click suppression.
- What is the purpose of the dual processing blocks in the SAF7741HV/N115YK?
The dual processing blocks are for radio and audio processing, demodulating IF or low-IF tuner output and delivering digital audio to internal DACs.
- Is the SAF7741HV/N115YK suitable for automotive applications?
Yes, it is specifically designed for use in high-performance car radio systems.
- Where can I find detailed specifications and pin descriptions for the SAF7741HV/N115YK?
Detailed specifications and pin descriptions can be found in the product data sheet available from NXP Semiconductors or authorized distributors.
