Overview
The SAF7741HV/N140ZY is a sophisticated Digital Signal Processor (DSP) designed by NXP USA Inc. for high-performance car radio systems. This integrated circuit combines Intermediate-Frequency (IF) car radio and audio processing capabilities, making it a comprehensive solution for automotive audio systems. The device integrates multiple powerful cores, enabling advanced audio and radio signal processing, including analog IF input, digital radio decoding, and both digital and analog audio output. This integration enhances listening clarity and noise suppression while reducing multipath channel effects.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HLQFP144: 144 leads; plastic thermal enhanced low profile quad flat package; body 20 mm x 20 mm x 0.4 mm |
| Voltage - Core | 1.8 V |
| Voltage - I/O | 3.3 V |
| Operating Temperature | -40°C to 85°C (TA) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Interfaces | I²C, I²S, LSB, SPDIF |
Key Features
- Combined IF car radio and audio DSP with multiple powerful cores.
- Analog IF input, digital radio and audio processing, sample-rate converters, and digital and analog audio output.
- Supports TEF7000 and TEF6730 integrated tuners for analog and digital AM/FM decoding and sound processing.
- Features include dynamic loudness or bass boost, audio level meter, Compact Disc (CD) dynamics compressor/expander, improved AM processing with soft mute, high cut control, and 6th order low-pass filtering.
- Soft audio mute, extended chime functions, signal level, noise, and multi-path detection for AM/FM signal quality information.
- AM audio AGC and AGC click suppression in AM mode.
Applications
The SAF7741HV/N140ZY is specifically designed for use in high-performance car radio systems. It is ideal for automotive audio applications where advanced signal processing and high-quality audio output are required.
Q & A
- What is the primary function of the SAF7741HV/N140ZY?
The primary function of the SAF7741HV/N140ZY is to serve as a combined Intermediate-Frequency (IF) car radio and audio Digital Signal Processor (DSP) for high-performance car radio systems.
- What type of package does the SAF7741HV/N140ZY come in?
The SAF7741HV/N140ZY comes in a HLQFP144 package, which is a plastic thermal enhanced low profile quad flat package with 144 leads.
- What are the core and I/O voltages for the SAF7741HV/N140ZY?
The core voltage is 1.8 V, and the I/O voltage is 3.3 V.
- What is the operating temperature range for the SAF7741HV/N140ZY?
The operating temperature range is -40°C to 85°C (TA).
- Is the SAF7741HV/N140ZY RoHS compliant?
Yes, the SAF7741HV/N140ZY is lead free and RoHS compliant.
- What interfaces does the SAF7741HV/N140ZY support?
The SAF7741HV/N140ZY supports I²C, I²S, LSB, and SPDIF interfaces.
- What are some of the key audio processing features of the SAF7741HV/N140ZY?
Key features include dynamic loudness or bass boost, audio level meter, Compact Disc (CD) dynamics compressor/expander, and improved AM processing with soft mute and high cut control.
- Can the SAF7741HV/N140ZY be used with integrated tuners?
Yes, it supports TEF7000 and TEF6730 integrated tuners for analog and digital AM/FM decoding and sound processing.
- What is the moisture sensitivity level (MSL) of the SAF7741HV/N140ZY?
The MSL is 3 (168 Hours).
- Is the SAF7741HV/N140ZY still in production?
No, the SAF7741HV/N140ZY is no longer manufactured and is listed as end of life.
