Overview
The ADAU1450WBCPZ-RL is a fully programmable audio Digital Signal Processor (DSP) manufactured by Analog Devices. It is part of the SigmaDSP family and is designed for enhanced sound processing in various audio applications. This device is qualified for automotive applications and features a proprietary graphical programming tool called SigmaStudio for the development of custom signal flows. The ADAU1450WBCPZ-RL operates with a 32-bit DSP core that can run at frequencies up to 294.912 MHz and execute up to 6144 instructions per sample at a standard sample rate of 48 kHz.
Key Specifications
| Parameter | Min | Typical | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (AVDD Pin) | 2.97 | 3.3 | 3.63 | V | Supply for analog circuitry, including auxiliary ADC |
| Supply Voltage (DVDD Pin) | 1.14 | 1.2 | 1.26 | V | Supply for digital circuitry, including the DSP core, ASRCs, and signal routing |
| Supply Voltage (PVDD Pin) | 2.97 | 3.3 | 3.63 | V | Supply for PLL circuitry |
| Supply Voltage (IOVDD Pin) | 1.71 | 3.3 | 3.63 | V | Supply for input/output circuitry, including pads and level shifters |
| Analog Current (AVDD Pin) | 1.44 | 1.72 | 2 | mA | Idle State |
| PLL Current (PVDD Pin) | 6 | 10.9 | 15 | mA | 12.288 MHz master clock; default PLL settings |
| DSP Core Frequency | - | - | 294.912 MHz | - | Maximum frequency |
| Sample Rate | - | - | Up to 192 kHz | - | Maximum sample rate for digital input/output |
| Package Type | - | - | 72-lead LFCSP (10x10 mm) | - | - |
Key Features
- Fully programmable audio DSP with a 32-bit SigmaDSP core running at frequencies up to 294.912 MHz.
- Supports up to 6144 SIMD instructions per sample at 48 kHz sample rate.
- Integrated asynchronous sample rate converters (ASRCs) with dynamic range of 139 dB (not available on ADAU1450).
- Flexible hardware audio routing matrix and integer PLL with flexible clock generators.
- Four serial input ports and four serial output ports with support for TDM, I2S, left and right justified formats, and PCM.
- Four PDM microphone input channels with integrated decimation filters.
- I2C and SPI control interfaces (both slave and master).
- Self-boot functionality from serial EEPROM and standalone operation.
- On-chip regulator for generating 1.2 V from 3.3 V supply and integrated die temperature sensor).
- 14 multipurpose pins for digital controls and outputs).
Applications
The ADAU1450WBCPZ-RL is suitable for a variety of audio processing applications, including:
- Automotive audio systems, given its qualification for automotive applications).
- Professional audio equipment, such as mixers, effects processors, and audio interfaces).
- Consumer electronics, including home theaters, soundbars, and high-end audio devices).
- Industrial audio systems, where robust and flexible audio processing is required).
Q & A
- What is the maximum frequency of the DSP core in the ADAU1450WBCPZ-RL?
The DSP core can run at frequencies up to 294.912 MHz).
- Does the ADAU1450WBCPZ-RL support S/PDIF interfaces?
No, the ADAU1450 does not contain S/PDIF receiver or transmitter interfaces).
- What is the maximum sample rate supported by the ADAU1450WBCPZ-RL?
The device supports digital input/output up to a sample rate of 192 kHz).
- Can the ADAU1450WBCPZ-RL interface with PDM microphones?
- What programming tool is used for the ADAU1450WBCPZ-RL?
The device uses SigmaStudio, a proprietary graphical programming tool).
- Does the ADAU1450WBCPZ-RL support I2C and SPI interfaces?
- Can the ADAU1450WBCPZ-RL operate in standalone mode?
- What is the power consumption of the ADAU1450WBCPZ-RL?
The power consumption varies but typically ranges from 55 mA to 250 mA depending on the operation state and configuration).
- Is the ADAU1450WBCPZ-RL qualified for automotive applications?
- What is the package type of the ADAU1450WBCPZ-RL?
