SRC4194IPAGTG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Sample Rate Converter
Applications:	Digital Audio Interfacing
Number of Channels:	4
Interface:	I²S, TDM
Voltage - Supply:	1.8V, 3.3V
Operating Temperature:	-45°C ~ 85°C (TA)
Specifications:	4kHz ~ 212kHz
Package / Case:	64-TQFP
Supplier Device Package:	64-TQFP (10x10)
Base Part Number:	SRC4194

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Audio Special Purpose: SRC4194IPAGTG4 Application Field and Working Principle

Audio Special Purpose describes special applications or uses of audio equipment. The SRC4194IPAGTG4-series is a digital audio stream synchronizer and sample-rate converter designed for professional audio markets. This series provides digital audio synchronization, sample rate conversion and digital audio bridging capabilities in a single, low-cost package.SRC4194IPAGTG4 is an ideal choice for a wide range of professional audio applications, such as digital mixing consoles, AES/EBU distribution systems, digital audio databasing, broadcast, and post-production chains. SRC4194IPAGTG4 can also be used for consumer audio sale applications such as consumer car audio, consumer music systems, consumer television systems and consumer media players. The SRC4194IPAGTG4 executes a five-step process: synchronization, data format conversion, audio channel mapping, sample rate conversion, and clock recovery. This series is available in 8, 10 or 12-channel configurations, and provides output sample rates of up to 96 kHz.The synchronization step involves the SRC4194IPAGTG4 realigning and resynchronizing the incoming digital audio bitstream to ensure that the sample rate converter develops a clean, jitter-free output. The data format conversion stage completes the synchronization process. It converts the incoming audio bits from their native format to a more convenient digital audio format for sample rate conversion. The audio channel mapping process is the next step, allowing users to select which input channels will be enabled for output. Allowing users to map the audio signals to their desired audio channels and control their audio sources makes the SRC4194IPAGTG4 extremely versatile.The sample rate conversion stage is where the actual sample rate conversion occurs. The SRC4194IPAGTG4 utilizes a high-order FIR filter and digital signal processing techniques to accurately resample the incoming audio signal. This ensures an accurate and jitter-free output signal.The last step involves extending the frequency response by providing a clock recovery circuit that recovers the input clock frequency from the incoming audio signal. This ensures a uniform output sample rate across all audio channels.Overall, the SRC4194IPAGTG4 series is a versatile piece of equipment that can be used in a number of different professional audio applications, from AES/EBU distribution systems to consumer audio sales. With its five-step process, the SRC4194IPAGTG4 ensures accurate and jitter-free audio signals, allowing users to achieve uniform sample rates across all audio channels.

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