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Analog Devices Inc. AD21489WBSWZ4B02
- Part No.:
- AD21489WBSWZ4B02
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 176-LQFP Exposed Pad
- Datasheet:
-
AD21489WBSWZ4B02.pdf
- Description:
- SHARC WITH 5 MB ON CHIP RAM 400M
- Quantity:
- Payment:
- Shipping:
Inventory:4,774
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Product details
Overview
AD21489WBSWZ4B02 from Analog Devices is a 32-bit/40-bit floating-point SHARC® DSP optimized for high-performance audio processing, operating at up to 450 MHz with 5 Mbits on-chip SRAM and 4 Mbits mask-programmed ROM containing Dolby® and DTS® audio decoders. It integrates eight serial ports, S/PDIF transceiver, four asynchronous sample rate converters (ASRC), digital applications interface (DAI), and precision clock generators - deployed in professional audio mixers, automotive infotainment head units, and studio-grade effects processors.
For engineers reviewing the AD21489WBSWZ4B02 datasheet, AD21489WBSWZ4B02 pinout, AD21489WBSWZ4B02 application, or AD21489WBSWZ4B02 equivalent, key selection criteria include SIMD computational throughput (2.7 GFLOPS at 450 MHz), automotive AEC-Q100 qualification, 88-lead LFCSP_VQ package thermal performance, and compatibility with SHARC development tools including VisualDSP++ and ICE-1000/2000 emulators.
Technical Context
The AD21489WBSWZ4B02 implements a dual-processing-element SIMD core (PEx and PEy), each with independent ALU, multiplier, shifter, and 16×40-bit register file, enabling parallel execution of identical instructions on distinct data streams. Its enhanced Harvard architecture supports simultaneous 64-bit PM and DM bus transfers plus instruction cache fetches - sustaining full-speed FIR (1.1 ns/tap) and FFT (20.44 μs for 1024-point) operations at 450 MHz.
Peripherally, it features a dedicated I/O processor domain with DAI routing, four PCGs, IDP/PDAP input port, S/PDIF Tx/Rx, and ASRCs supporting –128 dB SRC performance. The 88-lead LFCSP_VQ package excludes external port pins (no SDRAM/AMI), confirming its role as a self-contained, high-integration audio DSP without external memory expansion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 32-bit/40-bit floating-point SIMD SHARC core with PEx/PEy dual processing elements |
| Max Operating Frequency | 450 MHz - enables 2.7 GFLOPS peak compute for real-time audio algorithms |
| On-Chip Memory | 5 Mbits SRAM + 4 Mbits ROM - supports full audio decoder suites (Dolby/DTS) and large filter banks without external RAM |
| Audio Peripherals | 8 SPORTs, S/PDIF transceiver, 4 ASRCs (–128 dB performance), DAI with flexible signal routing |
| Package | 88-lead LFCSP_VQ (12 mm × 12 mm, 0.5 mm pitch) - optimized for thermal dissipation in compact audio modules |
| AEC-Q100 Grade | Qualified for automotive applications (Grade 2: –40°C to +105°C ambient) |
| Instruction Set | VISA-enabled (16/32/48-bit opcodes) - reduces code size by up to 30% vs legacy ISA, easing flash footprint constraints |
Pinout & Package
AD21489WBSWZ4B02 is housed in an 88-lead LFCSP_VQ (Lead Frame Chip Scale Package, Very Thin Quad) with exposed thermal pad, measuring 12 mm × 12 mm × 0.8 mm. This package omits external port (SDRAM/AMI) signals, confirming its design as a fully self-contained audio DSP requiring no external memory interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| FLAG0–FLAG7 | General-purpose I/O / interrupt flags | Configurable as GPIO or hardware interrupt inputs; FLAG3 serves as core timer expiration output |
| CLKIN, CLKOUT | Master clock input/output | Accepts 1–50 MHz crystal or CMOS clock; CLKOUT provides buffered system clock for peripheral sync |
| SPORT0–SPORT7 | Serial port transceivers | Eight full-duplex SPORTs support I²S, left-justified, TDM, and custom frame formats up to 100 Mbps aggregate |
| DAI_SCLK, DAI_FS, DAI_SD | Digital Applications Interface clock/frame/data | Interface for connecting external ADCs/DACs, FPGAs, or codecs via configurable DAI routing matrix |
| S/PDIF_TX, S/PDIF_RX | S/PDIF physical layer I/O | Dedicated transmitter/receiver supporting consumer/professional audio bitstream transport (IEC 60958) |
| PCG0–PCG3 | Precision clock generators | Four independent clock synthesizers generate low-jitter audio clocks (e.g., 44.1 kHz, 48 kHz, multiples) for multi-domain sync |
| IDP_D0–IDP_D7 | Input Data Port parallel bus | 8-bit parallel interface for direct connection to microcontrollers, sensors, or control logic without protocol overhead |
| JTAG_TCK/TMS/TDI/TDO/TRST | IEEE 1149.1 boundary scan/debug | Full emulation support via ICE-1000/2000; enables real-time breakpointing, memory inspection, and trace |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous SIMD Compute | Dual 450 MHz PEx/PEy units execute identical instructions on separate data - accelerates FIR, IIR, and FFT kernels without software loop overhead |
| Integrated Audio Subsystem | DAI + 4 PCGs + S/PDIF + 4 ASRCs form a complete digital audio I/O stack - eliminates need for external clock buffers, SRC ICs, or glue logic |
| VISA Code Compression | 16/32-bit instructions reduce program memory footprint by ~30% versus legacy 48-bit ISA - critical for ROM-constrained boot sequences |
| Automotive-Ready Security | ROM-based secure boot with 64-bit JTAG key authentication prevents unauthorized firmware extraction or debug access |
| Thermal Diode Integration | On-die diode enables real-time junction temperature monitoring via external ADC - essential for thermal management in sealed automotive enclosures |
Applications
| Professional Audio Mixer | Automotive Infotainment Head Unit |
|---|---|
Use Scenario: Real-time mixing of >32 channels with dynamic EQ, reverb, and loudness compensation in live sound reinforcement systems. IC Role / Device Role / Timing Role: Primary audio processing engine executing multithreaded DSP kernels with deterministic latency under VISA-optimized code. Use Value: 450 MHz SIMD core delivers sub-100 μs round-trip latency for 96 kHz/24-bit streams while hosting Dolby Atmos decoding and spatial audio rendering. |
Use Scenario: Central audio hub in premium vehicle head units, handling Bluetooth A2DP, USB audio, tuner, and rear-seat entertainment with format conversion. IC Role / Device Role / Timing Role: AEC-Q100-qualified DSP managing concurrent S/PDIF, I²S, and ASRC domains with precise sample-rate alignment across sources. Use Value: Integrated ASRCs with –128 dB performance eliminate audible artifacts during cross-format playback (e.g., 44.1 kHz Bluetooth → 48 kHz display audio). |
| Studio Effects Processor | High-End Home Theater Receiver |
Use Scenario: Rack-mount hardware effect unit applying convolution reverb, spectral morphing, and AI-driven noise suppression to microphone or line inputs. IC Role / Device Role / Timing Role: Standalone SHARC processor running proprietary algorithms from on-chip ROM/SRAM with zero external memory dependency. Use Value: 5 Mbits SRAM stores large impulse response buffers (up to 2 sec @ 96 kHz), enabling studio-grade reverb without DRAM latency penalties. |
Use Scenario: Audio decoding and post-processing engine in 11.2-channel AV receivers supporting Dolby TrueHD, DTS:X, and IMAX Enhanced. IC Role / Device Role / Timing Role: ROM-hosted Dolby/DTS decoder core with real-time upmixing and room correction using integrated FIR/IIR accelerators. Use Value: Factory-programmed ROM contains certified decoder binaries - ensures compliance with licensing requirements and eliminates field update complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD21486WBSWZ4A02 | 400 MHz max frequency; 5 Mbits SRAM; no ROM audio decoders; 100-lead LQFP_EP package | Lacks factory-programmed Dolby/DTS ROM; requires external decoder firmware loading; larger PCB footprint | Select when cost sensitivity outweighs need for certified audio codecs and when 400 MHz performance suffices. |
| AD21489WBSWZ4A02 | Identical core/peripherals but rated for 400 MHz (not 450 MHz); same 88-lead LFCSP_VQ package | Lower maximum clock limits deterministic real-time margin in ultra-low-latency applications (e.g., stage monitor systems) | Choose for thermally constrained designs where 400 MHz guarantees stable operation without active cooling. |
Compared with AD21486WBSWZ4A02 and AD21489WBSWZ4A02, the AD21489WBSWZ4B02 uniquely combines 450 MHz operation, AEC-Q100 qualification, factory audio ROM, and compact LFCSP packaging - making it the only option for automotive or portable pro-audio systems demanding peak performance in minimal volume.
Availability
AD21489WBSWZ4B02 is available at Aetrix Electronics and suitable for professional audio equipment, automotive infotainment systems, and studio effects processors requiring stable component supply across extended product lifecycles.
Supply support for AD21489WBSWZ4B02 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and DSP technology, headquartered in Wilmington, MA, serving industrial, automotive, communications, and consumer markets.
The AD21489WBSWZ4B02 belongs to the SHARC® family - engineered specifically for computationally intensive, low-latency audio signal processing with integrated peripherals that eliminate external clocking, conversion, and routing components.
FAQ
What is the maximum operating frequency of the AD21489WBSWZ4B02?
The AD21489WBSWZ4B02 operates at up to 450 MHz, delivering 2.7 GFLOPS peak performance in SIMD mode. This frequency is guaranteed across the full AEC-Q100 Grade 2 temperature range (–40°C to +105°C), validated per Analog Devices' Rev. I datasheet specifications and automotive qualification testing.
Does the AD21489WBSWZ4B02 include factory-programmed audio decoders?
Yes, the AD21489WBSWZ4B02 includes 4 Mbits of mask-programmed ROM containing certified Dolby® and DTS® multichannel audio decoding and post-processing algorithms. These decoders are pre-verified and require no external firmware loading - a key differentiator from non-ROM variants like the AD21486WBSWZ4A02.
Which package does the AD21489WBSWZ4B02 use, and does it support external memory?
The AD21489WBSWZ4B02 uses an 88-lead LFCSP_VQ package (12 mm × 12 mm). It does not include external port (SDRAM/AMI) signals - confirmed by pin assignment tables and the absence of EPD/EPADR/EPDWR pins. This makes it a self-contained DSP relying solely on on-chip memory.
Is the AD21489WBSWZ4B02 qualified for automotive applications?
Yes, the AD21489WBSWZ4B02 is AEC-Q100 qualified (Grade 2) for automotive use, with operational ambient temperature support from –40°C to +105°C. Its integrated thermal diode, secure boot, and ROM-based audio decoders meet functional safety and reliability requirements for infotainment and ADAS audio subsystems.
How does VISA support benefit development with the AD21489WBSWZ4B02?
VISA (Variable Instruction Set Architecture) in the AD21489WBSWZ4B02 enables 16-bit and 32-bit instruction encoding, reducing program memory usage by ~30% compared to legacy 48-bit ISA. This lowers ROM footprint for boot code and simplifies flash sizing - especially valuable when deploying multiple algorithm variants in constrained embedded storage.
AD21489WBSWZ4B02 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 176-LQFP Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Floating Point
- Interface:
- EBI/EMI, DAI, I2C, SPI, SPORT, UART/USART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 5Mbit
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.10V
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 176-LQFP-EP (24x24)
AD21489WBSWZ4B02 FAQ
1.How can I place an order for AD21489WBSWZ4B02 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD21489WBSWZ4B02 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD21489WBSWZ4B02 reliable?
The price and inventory of AD21489WBSWZ4B02 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD21489WBSWZ4B02 is usually 5 days.
3.What payment methods are accepted for AD21489WBSWZ4B02?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD21489WBSWZ4B02 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD21489WBSWZ4B02?
AD21489WBSWZ4B02 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD21489WBSWZ4B02 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD21489WBSWZ4B02?
For technical support, including AD21489WBSWZ4B02 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD21489WBSWZ4B02 requirements.
6.How does Aetrix verify that AD21489WBSWZ4B02 is sourced from the original manufacturer or authorized distributors?
All AD21489WBSWZ4B02 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD21489WBSWZ4B02 meets industry standards.
7.What is the process for return or replacement of AD21489WBSWZ4B02?
All AD21489WBSWZ4B02 units undergo pre-shipment inspection (PSI). If there is an issue with AD21489WBSWZ4B02, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD21489WBSWZ4B02 part is unused and in its original packaging.
Return procedure for AD21489WBSWZ4B02:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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