ADSP-21478BBCZ-2A

Product Overview

Category

The ADSP-21478BBCZ-2A belongs to the category of digital signal processors (DSPs).

Use

This DSP is primarily used for audio and voice signal processing applications.

Characteristics

• High-performance processing capabilities
• Low power consumption
• Advanced audio algorithms
• Real-time signal processing
• Integrated peripherals for system integration

Package

The ADSP-21478BBCZ-2A comes in a compact BGA package, which ensures efficient heat dissipation and allows for easy integration into various electronic systems.

Essence

The essence of the ADSP-21478BBCZ-2A lies in its ability to provide high-quality audio and voice signal processing with low power consumption, making it suitable for a wide range of applications.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Architecture: 32-bit fixed-point
• Clock Speed: Up to 400 MHz
• Memory: 512 KB on-chip SRAM
• ADC Resolution: 24-bit
• DAC Resolution: 24-bit
• Operating Voltage: 1.8V - 3.3V
• I/O Interfaces: SPI, I2C, UART, GPIO
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADSP-21478BBCZ-2A has a total of 176 pins. The pin configuration is as follows:

• Pins 1-16: Digital I/O
• Pins 17-32: Analog Inputs
• Pins 33-48: Analog Outputs
• Pins 49-64: Power Supply and Ground
• Pins 65-80: Serial Peripheral Interface (SPI)
• Pins 81-96: Inter-Integrated Circuit (I2C)
• Pins 97-112: Universal Asynchronous Receiver/Transmitter (UART)
• Pins 113-128: General-Purpose Input/Output (GPIO)
• Pins 129-144: Reserved
• Pins 145-160: Clock and Reset Signals
• Pins 161-176: JTAG Interface

Functional Features

• High-performance audio and voice signal processing
• Support for various audio algorithms, such as noise cancellation, echo suppression, and equalization
• Real-time processing capabilities for seamless audio streaming
• Integrated peripherals for easy system integration
• Flexible I/O interfaces for communication with other devices
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages

• High processing capabilities enable complex audio algorithms
• Low power consumption extends battery life in portable applications
• Integrated peripherals simplify system design and reduce external component count
• Real-time processing ensures smooth audio streaming

Disadvantages

• Limited on-chip memory may require external memory for certain applications
• Higher cost compared to some lower-end DSPs
• Steeper learning curve for developers unfamiliar with DSP programming

Working Principles

The ADSP-21478BBCZ-2A operates on the principle of digital signal processing. It receives analog audio or voice signals, converts them into digital format using high-resolution ADCs, processes the digital signals using its internal processing engine, and then converts them back to analog format using high-resolution DACs. The processed signals are then outputted for further amplification or transmission.

Detailed Application Field Plans

The ADSP-21478BBCZ-2A finds applications in various fields, including:

1. Audio Processing Systems: Used in professional audio equipment, such as mixers, amplifiers, and audio effects processors.
2. Voice Communication Systems: Employed in telecommunication devices, such as VoIP phones, conference systems, and voice recorders.
3. Automotive Audio Systems: Integrated into car audio systems for enhanced sound quality and audio processing capabilities.
4. Consumer Electronics: Utilized in home theater systems, soundbars, and portable audio devices to provide high-quality audio processing.

Detailed and Complete Alternative Models

1. ADSP-21479BBCZ-2A: Similar to the ADSP-21478BBCZ-2A, but with additional memory and higher clock speed.
2. ADSP-21477BBCZ-2A: Lower-cost alternative with reduced processing capabilities and fewer peripherals.
3. ADSP-21475BBCZ-2A: Entry-level DSP with basic audio processing features and lower power consumption.

These alternative models cater to different application requirements and budget constraints while offering varying levels of performance and functionality.

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