SRC4392IPFBR.pdf
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The SRC4392IPFBR is a highly integrated digital audio processing device designed to simplify complex digital audio interface designs. It combines a stereo sample rate converter, a digital audio input receiver, a digital audio transmitter and a programmable internal audio cross-point, allowing engineers to handle format conversion, jitter cleaning and routing inside a single IC.
The device operates from a +1.8 V core logic supply, with additional supplies dedicated to the DIR, DIT and line-driver/receiver sections, as well as a separate logic I/O supply. This architecture enables direct interfacing with modern low-voltage DSPs, FPGAs and microcontrollers while maintaining robust audio-grade signal integrity.
SRC4392IPFBR is offered in compact QFN-40 packages (with a related device available in lead-free TQFP-48), providing layout flexibility for space-constrained audio boards. Its feature set makes it suitable for professional audio converters, AV receivers, digital mixers, sound cards and other equipment where reliable digital audio interfacing is critical.
Integrates SRC, DIR, DIT and routing matrix in a single chip, reducing the number of external ICs required and simplifying PCB design for complex digital audio systems.
The on-chip digital audio receiver and PLL circuits are optimized for jitter reduction, helping to improve overall system sound quality when used ahead of high-performance DACs.
A programmable internal routing matrix allows signals from the SRC, DIR, serial ports and DIT blocks to be flexibly mapped, enabling a variety of input/ output configurations without extra glue logic.
Separate logic I/O supply pins support low-voltage digital interfaces commonly used in DSPs and programmable logic devices, easing integration in modern embedded systems.
Stereo sample rate converter supporting a wide range of common audio sample rates, enabling format and rate matching between different parts of the system while maintaining audio fidelity.
Built-in DIR and DIT support professional and consumer digital audio interfaces such as AES/EBU and S/PDIF, with channel-status decoding and programmable transmit formatting.
Supports common serial audio formats including I²S and related left-justified or DSP-style protocols, allowing direct connection to a wide variety of audio DACs, ADCs and DSP processors.
| Parameter | Value / Condition |
|---|---|
| Device Type | Digital audio sample rate converter & interface transceiver |
| Core Supply Voltage | +1.8 V (logic core) |
| Additional Supplies | Dedicated supplies for DIR, DIT, line drivers/receivers and logic I/O for optimal performance and interface flexibility |
| Logic I/O Supply | Separate low-voltage logic supply, compatible with common DSP and FPGA interface levels |
| Audio Interfaces | Supports AES/EBU, S/PDIF and standard serial audio formats (e.g. I²S-type interfaces) for connection to DACs/ADCs |
| Sample Rate Support | Designed for common digital audio sample rates used in consumer and professional equipment (e.g. 44.1 kHz, 48 kHz and higher rates) |
| Package | QFN-40 (SRC4392IPFBR); related versions available in lead-free TQFP-48 |
Based on market references, the following devices are often considered as functionally similar or alternative solutions for digital audio interface and sample-rate–conversion applications. Parameters such as interface format, sample rate range and package type must always be checked carefully before replacement:
These parts are provided as potential functional alternatives only. They are not guaranteed to be pin-to-pin or drop-in replacements for SRC4392IPFBR. Always compare datasheets for power, clocking, digital interfaces and package footprint before making substitution decisions.
Texas Instruments (TI) is a global semiconductor manufacturer with a strong portfolio in audio converters, amplifiers and interface ICs. Their devices are widely used in professional audio, automotive infotainment, home theater and industrial systems, backed by comprehensive documentation and long-term product support.
Used in digital mixing consoles, outboard processors and audio interfaces where high-quality SRC and digital routing are required between multiple digital audio formats.
Acts as the central digital audio hub in AV receivers, DACs and network streamers, handling input reception, jitter cleanup and sample rate conversion before high-end DAC stages.
Interfaces between external digital audio sources and internal DSP or FPGA cores, providing clean, rate-matched serial audio streams for further processing.
Used in digital audio routers, distribution amplifiers and mastering equipment to maintain signal integrity across complex digital audio networks.
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Our experienced QC team strictly verifies and tests SRC4392IPFBR. Only qualified suppliers who pass our audit can list SRC4392IPFBR on OEM STOCK GLOBAL LIMITED. We pay close attention to sourcing channels and product quality so you can purchase with confidence.
Pricing and inventory for SRC4392IPFBR fluctuate and are updated periodically (typically within 24 hours). Quotations generally remain valid for 5 days unless otherwise stated.
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We perform Pre-Shipment Inspection (PSI) on randomly selected units before shipping. If there is an issue with SRC4392IPFBR, returns/replacements are accepted when:
Steps: (1) Inform us within 90 days; (2) Obtain Return Authorization (RMA) before sending items back.
Please contact us for technical documents and support related to Texas Instruments SRC4392IPFBR, including pin diagrams and datasheets. Our team will respond promptly.
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