Overview
The ADAU1452KCPZRL is a highly advanced digital audio processor from Analog Devices Inc., part of the SigmaDSP family. This device is designed to excel in digital signal processing for audio applications, offering a robust and flexible solution for complex audio systems. It features a 32-bit SigmaDSP core that can operate at frequencies up to 294.912 MHz and execute up to 6144 instructions per sample at a 48 kHz sample rate. The ADAU1452KCPZRL is particularly suited for automotive and high-performance audio applications due to its automotive qualification and extensive feature set.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|
| Digital Voltage (DVDD) | 1.14 | 1.2 | 1.26 | V | Supply for digital circuitry, including the DSP core, ASRCs, and signal routing |
| PLL Voltage (PVDD) | 2.97 | 3.3 | 3.63 | V | Supply for phase-locked loop (PLL) circuitry |
| I/O Supply Voltage (IOVDD) | 1.71 | 3.3 | 3.63 | V | Supply for input/output circuitry, including pads and level shifters |
| Core Clock Frequency | 152 | - | 294.912 | MHz | System (DSP core) clock frequency |
| I/O Sample Rate | 6 | - | 192 | kHz | Sample rate range |
| ASRC Ratio | 1:8 | - | 7.75:1 | - | Asynchronous Sample Rate Converter ratio |
| Dynamic Range | - | - | 139 | dB | A-weighted, 20 Hz to 20 kHz |
| Package Type | - | - | - | - | 72-Lead Lead Frame Chip Scale Package (LFCSP) |
| Operating Temperature | -40 | - | 105 | °C | Operating temperature range |
Key Features
- Programmable Audio DSP: Fully programmable 32-bit SigmaDSP core with up to 294.912 MHz frequency and up to 6144 instructions per sample at 48 kHz.
- Graphical Programming Tool: Supported by SigmaStudio, a proprietary graphical programming tool for custom signal flows.
- Audio Input/Output and Routing: 4 serial input ports, 4 serial output ports, and a flexible configuration for TDM, I2S, left and right justified formats, and PCM.
- ASRCs and S/PDIF: Up to 8 stereo ASRCs with ratios from 1:8 to 7.75:1 and S/PDIF input and output (except on ADAU1450).
- PDM Microphone Input: Four PDM microphone input channels with integrated decimation filters.
- Clock and PLL: Integer PLL and flexible clock generators to generate up to 15 audio sample rates simultaneously.
- Control Interfaces: I2C and SPI control interfaces (both slave and master).
- Standalone Operation: Self-boot capability from serial EEPROM.
- Auxiliary ADC and Digital Controls: 6-channel, 10-bit SAR auxiliary control ADC and 14 multipurpose pins for digital controls and outputs.
- Power Efficiency: Low power consumption with a maximum program load consuming less than a watt.
Applications
- Automotive Audio Systems: Qualified for automotive applications, making it suitable for car audio systems and infotainment systems.
- Professional Audio Equipment: Ideal for professional audio equipment such as mixers, amplifiers, and digital audio workstations.
- Consumer Electronics: Used in various consumer electronics like home theaters, soundbars, and high-end audio devices.
- Industrial Audio Systems: Suitable for industrial audio applications requiring robust and reliable digital signal processing.
Q & A
- What is the ADAU1452KCPZRL?
The ADAU1452KCPZRL is a digital audio processor from Analog Devices Inc., part of the SigmaDSP family, designed for advanced digital signal processing in audio applications.
- What is the maximum frequency of the DSP core?
The DSP core can operate at frequencies up to 294.912 MHz.
- How many instructions can the DSP core execute per sample at 48 kHz?
The DSP core can execute up to 6144 instructions per sample at a 48 kHz sample rate.
- What types of audio interfaces does the ADAU1452KCPZRL support?
The device supports TDM, I2S, left and right justified formats, PCM, and S/PDIF interfaces (except on ADAU1450).
- Does the ADAU1452KCPZRL support PDM microphone inputs?
Yes, it supports four PDM microphone input channels with integrated decimation filters.
- What is the operating temperature range of the ADAU1452KCPZRL?
The operating temperature range is from -40°C to +105°C.
- Can the ADAU1452KCPZRL operate in standalone mode?
Yes, it has self-boot capability from serial EEPROM.
- What control interfaces are available on the ADAU1452KCPZRL?
The device features I2C and SPI control interfaces (both slave and master).
- How many serial input and output ports does the ADAU1452KCPZRL have?
The device has 4 serial input ports and 4 serial output ports.
- What is the power consumption of the ADAU1452KCPZRL?
The device consumes a few hundred milliwatts (mW) of power, with a maximum program load consuming less than a watt.
