Overview
The SAF7741HV/N125ZK, produced by NXP Semiconductors, is a sophisticated combined Intermediate-Frequency (IF) car radio and audio Digital Signal Processor (DSP). This device integrates multiple powerful cores onto a single chip, enhancing the functionality and performance of car radio systems. It supports analog IF input, digital radio, and audio processing, along with sample-rate converters and both digital and analog audio output. This integration helps in improving listening clarity, noise suppression, and reducing multipath channel effects. The SAF7741HV is designed to work with integrated tuners such as the TEF7000 and TEF6730 for analog and digital AM/FM decoding and sound processing.
Key Specifications
| Specification | Description |
|---|---|
| Package Type | HLQFP144: plastic thermal enhanced low profile quad flat package; 144 leads; body 20 mm x 20 mm x 1.4 mm |
| Supply Voltage | 1.8 V (digital core), 3.3 V (IF ADCs and RGPDACs) |
| Radio Reception | FM, AM, Weatherband, RDS, and FM/AM digital radio |
| ADC Type | Two IFADCs (baseband ΣΔ ADCs) for digitizing incoming analog IF signals |
| Decimation Chains | Two Primary Decimation Chains (PDCs) for analog and digital radio reception |
| Environmental Compliance | PbFree, EU RoHS, Halogen Free, REACH SVHC compliant |
Key Features
- Integrated IF and audio DSP, combining analog IF input, digital radio, and audio processing
- Support for multiple radio standards including FM, AM, Weatherband, RDS, and FM/AM digital radio
- Two IFADCs to digitize incoming analog IF signals and two PDCs for decimation
- Software-based radio functionality running on one or more DSPs
- Digital and analog audio output with sample-rate converters
- Compatibility with TEF7000 and TEF6730 integrated tuners
- User-specific functions configurable to match different software platforms
Applications
- Car radio systems requiring advanced digital signal processing and multi-standard radio reception
- Automotive infotainment systems needing high-quality audio and radio functionality
- Systems requiring integration with various tuners for analog and digital radio decoding
Q & A
- What is the primary function of the SAF7741HV/N125ZK?
The primary function is to serve as a combined Intermediate-Frequency (IF) car radio and audio Digital Signal Processor (DSP).
- What types of radio signals can the SAF7741HV/N125ZK process?
The device can process FM, AM, Weatherband, RDS, and FM/AM digital radio signals.
- What is the package type of the SAF7741HV/N125ZK?
The package type is HLQFP144, a plastic thermal enhanced low profile quad flat package with 144 leads.
- What are the supply voltage requirements for the SAF7741HV/N125ZK?
The device requires 1.8 V for the digital core and 3.3 V for the IF ADCs and RGPDACs.
- Is the SAF7741HV/N125ZK environmentally compliant?
Yes, it is PbFree, EU RoHS, Halogen Free, and REACH SVHC compliant.
- Can the SAF7741HV/N125ZK be configured for different software platforms?
Yes, it offers user-specific functions that can be configured to match the software platform required by individual car-radio manufacturers.
- What type of ADCs does the SAF7741HV/N125ZK use?
The device uses two baseband ΣΔ ADCs (IFADCs) to digitize incoming analog IF signals.
- Does the SAF7741HV/N125ZK support digital and analog audio output?
Yes, it supports both digital and analog audio output with sample-rate converters.
- Is the SAF7741HV/N125ZK still in production?
No, the SAF7741HV/N125ZK is no longer manufactured and has reached its end of life.
- What tuners is the SAF7741HV/N125ZK compatible with?
The device is compatible with TEF7000 and TEF6730 integrated tuners for analog and digital radio decoding.
