Overview
The SRC4192 is an asynchronous sample-rate converter designed for professional and broadcast audio applications. It is part of the family of sample-rate converters from Texas Instruments, offering high-performance audio processing capabilities. This device is optimized for converting audio sampling rates asynchronously, making it suitable for a wide range of audio systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input/Output Sampling Rates | Up to 212 kHz | kHz |
| Input:Output Sampling Ratio | 16:1 to 1:16 | |
| Dynamic Range | 128 dB (–60-dBFS input, BW = 20 Hz to fS / 2, A-Weighted) | dB |
| Total Harmonic Distortion + Noise (THD+N) | –125 dB (0-dBFS input, BW = 20 Hz to fS / 2) | dB |
| Power Supply Voltage (VDD) | 3.0 to 3.6 V | V |
| Power Supply Voltage (VIO) | 1.65 to 3.6 V | V |
| Operating Temperature | –45 to 85 °C | °C |
| Package Type | 28-Pin SSOP |
Key Features
Automatic Sensing of Input-to-Output Sampling Ratio: The device can automatically sense the sampling ratio between the input and output.
Wide Input-to-Output Sampling Range: Supports ratios from 16:1 to 1:16.
High-Performance Digital Filtering: Features linear phase digital filtering to maintain audio quality.
Flexible Audio Serial Ports: Supports I2S, Left Justified, Right Justified, and TDM data formats. It can operate in master or slave mode and supports 16-, 18-, 20-, or 24-bit audio data.
Soft Mute and Bypass Functions: Includes soft mute and bypass modes for smooth audio transitions.
Power-Down Mode: Allows for power conservation when not in use.
Low Group Delay Option: Provides an option for low group delay in the interpolation filter.
Applications
Digital Mixing Consoles
Digital Audio Workstations
Audio Distribution Systems
Broadcast Studio Equipment
High-End A/V Receivers
General Digital Audio Processing
Q & A
Q: What is the primary function of the SRC4192?
A: The SRC4192 is an asynchronous sample-rate converter designed to convert audio sampling rates asynchronously.
Q: What are the supported input and output sampling rates for the SRC4192?
A: The device supports input and output sampling rates up to 212 kHz.
Q: What is the dynamic range of the SRC4192?
A: The dynamic range is 128 dB (–60-dBFS input, BW = 20 Hz to fS / 2, A-Weighted).
Q: What are the power supply voltage ranges for the SRC4192?
A: The device operates with a VDD supply voltage of 3.0 to 3.6 V and a VIO supply voltage of 1.65 to 3.6 V.
Q: What types of audio data formats does the SRC4192 support?
A: It supports I2S, Left Justified, Right Justified, and TDM data formats, with 16-, 18-, 20-, or 24-bit audio data.
Q: Can the SRC4192 operate in both master and slave modes?
A: Yes, the device can operate in both master and slave modes.
Q: What is the purpose of the soft mute function in the SRC4192?
A: The soft mute function allows for smooth audio transitions by gradually reducing the output level.
Q: What is the package type of the SRC4192?
A: The device is available in a 28-Pin SSOP package.
Q: Is the SRC4192 pin-compatible with other devices?
A: Yes, it is pin-compatible with the SRC4190, AD1895, and AD1896.
Q: What are some common applications of the SRC4192?
A: Common applications include digital mixing consoles, digital audio workstations, audio distribution systems, broadcast studio equipment, and high-end A/V receivers.
