Digital Signal Processors (DSPs) are crucial for optimizing audio quality in various applications. A fixed-point DSP offers a balance of performance and cost-effectiveness, making it an ideal choice for many audio engineers and enthusiasts. Selecting the right unit ensures your audio system performs at its peak, delivering clear and precise sound.
- Interface EBI/EMI, Ethernet MAC, Host Interface, I2C, McASP, McBSP, SPI, UART, USB
- Clock Rate 456MHz
- Non-Volatile Memory ROM (1.088MB)
- On-Chip RAM 488kB
- 5pcs/lot Tms320c5517 Dsp Fixed-point 16bit 200mhz 196-pin Nfbga Tray Tms320c5517azch20
- Real-time signal processing for ultimate control
- Complete audio customization for application specific installations
- Easy-to-use Graphical User Interface (GUI)
- All eight output channels have a fully adjustable 10-band parametric EQ
- Supplier Device Package 144-LQFP (20x20)
- Base Product Number TMS320
- Package / Case 144-LQFP
- Operating Temperature -40°C ~ 100°C (TC)
- Supplier Device Package 361-NFBGA (13x13)
- Base Product Number TMS320
- Package / Case 361-LFBGA
- Operating Temperature -40°C ~ 105°C (TJ)
- Base Product Number TMS320
- Supplier Device Package 176-HLQFP (24x24)
- Package / Case 176-LQFP Exposed Pad
- Operating Temperature -40°C ~ 90°C (TJ)
- Band Equalizer: It has 15 bands of equalizaon, with aenuaon /boost of up to 12dB, at the center frequencies defined in the ISO standard (25 to 16KHz, 2/3 octave). Acts simultaneously on inputs A and B.
- Input Parametric Equalizer: EQ with 1 band and adjustable parameters, acts simultaneously on inputs A and B
- Crossover: Set the high pass (HPF) and low pass (LPF) filters of selected output way. The cutoff frequencies could be set from 10Hz to 22KHz, and are available some kinds of filters (Buerworth, Bessel, Linkwitz Rilley) in different slopes...
- Output: Set the level for each output way. Allow apply up to +15dB gain or -45dB attenuation.
- Supplier Device Package 256-BGA (17x17)
- Base Product Number TMS320
- Package / Case 256-BGA
- Operating Temperature 0°C ~ 90°C (TJ)
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Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Fixed Point Digital Signal Processors
Understanding Fixed-Point DSPs
Fixed-point digital signal processors operate with a predetermined number of bits for both the integer and fractional parts of a number. This architecture is generally more power-efficient and cost-effective than floating-point DSPs, making them suitable for embedded systems and applications where budget and power consumption are key considerations. They are well-suited for tasks like audio filtering, equalization, and effects processing.
Key Features to Consider
- Processing Power: Look at the clock speed (MHz or GHz) and the number of MAC (Multiply-Accumulate) operations per second. Higher values generally translate to better performance for complex audio tasks.
- Number of Channels: Determine how many audio inputs and outputs the DSP supports. This is critical for multi-channel audio setups or complex routing requirements.
- Connectivity: Check the available input/output options, such as analog (XLR, RCA), digital (AES/EBU, S/PDIF, I2S), and network protocols (Dante, AVB).
- Software and Control: Evaluate the accompanying software for configuration, control, and real-time adjustments. User-friendly interfaces and robust control options are important.
- DSP Algorithms: Consider the built-in audio processing functions, like EQ, crossovers, limiters, compressors, and spatial effects. Ensure they meet your specific audio needs.
Performance and Application
The suitability of a fixed-point DSP often depends on the complexity of the audio processing required. For standard audio routing, equalization, and basic effects, fixed-point processors are usually sufficient. However, for highly demanding applications involving extensive audio manipulation or extremely high sample rates, a floating-point processor might offer advantages. Always consider the specific demands of your project.
Integration and Compatibility
Ensure the DSP you choose is compatible with your existing audio equipment. This includes checking analog and digital connection types, impedance matching, and sample rate compatibility. Reviewing user manuals and technical specifications will help avoid integration issues and ensure seamless operation within your audio chain.
Comparison Tips
- Prioritize your needs: List essential features and compare models based on how well they meet those requirements.
- Read reviews: Look for user feedback on performance, reliability, and ease of use.
- Check specifications carefully: Compare processing power, channel counts, and connectivity options side-by-side.
- Consider the software interface: A well-designed control application can significantly enhance the user experience.
