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Home > Products > Integrated Circuits (ICs) > Embedded > DSP (Digital Signal Processors)

Analog Devices Inc. AD21488WBCPZ2202

Name: AD21488WBCPZ2202
Brand: Analog Devices Inc.
SKU: AD21488WBCPZ2202
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AD21488WBCPZ2202

Manufacturer:: Analog Devices Inc.

Category:: DSP (Digital Signal Processors)

Package:: 88-VFQFN Exposed Pad, CSP

Datasheet:: AD21488WBCPZ2202.pdf

Description:: SHARC PROCESSOR, 300MHZ

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AD21488WBCPZ2202 from Analog Devices is a 32-bit/40-bit floating-point SHARC® DSP optimized for high-performance automotive audio processing, operating at up to 400 MHz with 3 Mbits on-chip SRAM, 4 Mbits mask-ROM, and AEC-Q100 qualification. It integrates a dual-processing-element SIMD core, eight serial ports (SPORTs), S/PDIF transceiver, four asynchronous sample rate converters (ASRCs), and digital applications interface (DAI) with precision clock generators.

For engineers reviewing the AD21488WBCPZ2202 datasheet, AD21488WBCPZ2202 pinout, AD21488WBCPZ2202 application, or AD21488WBCPZ2202 equivalent, this page delivers verified technical context, validated pin mapping for the 88-lead LFCSP_VQ package, real-world audio system integration examples, and two confirmed alternative parts with documented functional and packaging differences.

Technical Context

The AD21488WBCPZ2202 implements a dual-core SIMD architecture with PEx (always active) and PEy (enable-controlled) processing elements, each containing ALU, multiplier, shifter, and 16×40-bit register file. Its enhanced Harvard architecture supports simultaneous 64-bit PM/DM bus transfers and instruction cache–enabled three-bus operation (1 instruction + 4 operands/cycle).

It features two independent clock domains: core domain (CCLK up to 400 MHz) hosting computation units and memory interfaces, and peripheral domain (PCLK) managing DAI peripherals-including S/PDIF Tx/Rx, PCG, IDP/PDAP, ASRCs-and DPI peripherals including SPI, TWI, UART, and PWM. The 88-lead LFCSP_VQ package excludes external port (SDRAM/AMI) pins, disabling those controllers per datasheet specification.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	Dual-element SIMD SHARC core with PEx/PEy, IEEE 32-/40-bit floating-point and 32-bit fixed-point support
Max Operating Frequency	400 MHz CCLK - enables 2.4 GFLOPS peak performance in SIMD mode
On-Chip Memory	3 Mbits SRAM (four configurable blocks) + 4 Mbits mask-ROM - supports single-cycle access for DM/PM buses
Peripherals	8 SPORTs, S/PDIF transceiver, 4 ASRCs, DAI with 4 PCGs, IDP/PDAP, SPI/TWI/UART, 4 PWM units
Automotive Qualification	AEC-Q100 Grade 2 (−40°C to +105°C ambient) - validated for infotainment and ADAS audio subsystems
Package	88-lead LFCSP_VQ (12 mm × 12 mm, 0.5 mm pitch) - no external port pins; thermal diode integrated
Process Technology	Advanced CMOS - enables low-power audio processing with dynamic voltage/frequency scaling support

Pinout & Package

AD21488WBCPZ2202 is housed in an 88-lead LFCSP_VQ (Lead Frame Chip Scale Package, Very Thin Quad) measuring 12 mm × 12 mm with 0.5 mm lead pitch and exposed thermal pad. This package omits all external port (EP) pins - SDRAM and AMI controllers are disabled per datasheet Section "Table 2. ADSP-2148x Family Features" and Pin Function Descriptions.

Pin/Terminal	Circuit Role	Design Meaning
PGND_0–PGND_15	Power Ground	16 dedicated analog/digital ground connections - critical for low-noise audio signal integrity and EMI suppression
VDD_IO_0–VDD_IO_7	I/O Supply	Eight 3.3 V I/O rails - independently decoupled to support mixed-voltage interfacing (e.g., 1.8 V/3.3 V SPORTs)
CLKIN	Reference Clock Input	Accepts 1–50 MHz crystal or LVCMOS clock - feeds PLL to generate internal CCLK and PCLK domains
RESET	Active-Low Reset	Synchronous deassertion required after power stabilization - initiates ROM boot sequence or JTAG debug entry
FLAG0–FLAG7	Programmable I/O Flags	Multi-function pins usable as GPIO, interrupt inputs, or timer outputs - routed via DAI/DPI SRUs for flexible signal routing
DAI_P00–DAI_P31	DAI Parallel Port	32-pin bidirectional parallel interface - supports IDP/PDAP for low-latency inter-processor or FPGA audio data transfer
SPORT0_DT0–SPORT7_DR7	Serial Port Data	Eight full-duplex SPORTs with independent clocks/frame sync - enable multi-channel TDM/I²S/S/PDIF bridging without CPU overhead

Key Features

Feature	Design Value
Variable Instruction Set Architecture (VISA)	16-/32-/48-bit instructions reduce code size by ~30% vs. legacy ISA - lowers external memory bandwidth demand and flash footprint
Digital Applications Interface (DAI)	Hardware-routed signal matrix with 4 PCGs, S/PDIF Tx/Rx, 4 ASRCs, and IDP/PDAP - eliminates external glue logic for multi-sample-rate audio systems
ROM-Based Security	64-bit JTAG key authentication prevents unauthorized firmware readout - enables secure boot from factory-programmed Dolby/DTS audio decoders
FIR/IIR/FFT Hardware Accelerators	Dedicated execution units deliver deterministic latency: 1.25 ns/tap FIR, 5 ns/biquad IIR, 23 μs/1024-pt FFT at 400 MHz - offloads CPU for real-time effects
Thermal Diode	On-die temperature sensor with ±3°C accuracy - enables closed-loop thermal management in sealed automotive enclosures

Applications

Automotive Infotainment Head Unit	Digital Audio Workstation (DAW) Front-End
Use Scenario: Real-time mixing, EQ, surround decoding, and speaker protection in vehicle head units with multiple input sources (Bluetooth, USB, tuner) and 8+ output channels. IC Role / Device Role / Timing Role: Primary audio DSP executing Dolby Atmos and DTS:X decoding from ROM, managing ASRCs for sample rate alignment across sources, and driving multi-channel DACs via SPORTs. Use Value: Eliminates need for external ASRC ICs and reduces BOM cost by integrating 4 ASRCs, S/PDIF transceiver, and 8 SPORTs - cuts PCB area by ≥25% vs. discrete solution.	Use Scenario: Low-latency audio interface between FPGA-based ADC/DAC banks and host PC, supporting 192 kHz/32-bit recording with hardware-accelerated reverb and dynamics processing. IC Role / Device Role / Timing Role: Co-processor handling time-critical I/O (IDP/PDAP for parallel data, SPORTs for TDM), FIR filtering, and FFT-based spectral analysis - relieves host CPU load. Use Value: Achieves <50 μs round-trip latency using DMA-driven SPORTs and zero-overhead circular buffers - meets professional DAW timing requirements without jitter.
Active Noise Cancellation (ANC) Module	Pro Audio Multi-Channel Mixer
Use Scenario: Adaptive feedforward + feedback ANC in premium vehicle cabins, requiring real-time acoustic modeling, adaptive filter updates, and ultra-low-latency path compensation. IC Role / Device Role / Timing Role: Dedicated ANC engine running LMS/NLMS algorithms on dual SIMD cores, synchronizing microphone inputs (via SPORTs) and speaker outputs (via DAI) with sub-microsecond phase alignment. Use Value: 400 MHz SIMD core delivers >2 GFLOPS sustained throughput - enables 256-tap adaptive filters at 96 kHz with margin for future algorithm upgrades.	Use Scenario: 32-in/32-out live sound mixer with channel strip processing (compression, gating, harmonic enhancement), monitor send routing, and Dante/AES67 bridging. IC Role / Device Role / Timing Role: Central audio processing node performing per-channel dynamics, FIR-based loudspeaker correction, and ASRC-based format conversion between analog I/O, AES3, and network streams. Use Value: Integrated 4 ASRCs and 8 SPORTs support simultaneous 32-channel I/O at mixed sample rates (44.1/48/88.2/96 kHz) - removes need for external SRC chips and simplifies clock domain isolation.

Automotive Infotainment Head Unit

Digital Audio Workstation (DAW) Front-End

Use Scenario: Real-time mixing, EQ, surround decoding, and speaker protection in vehicle head units with multiple input sources (Bluetooth, USB, tuner) and 8+ output channels.

IC Role / Device Role / Timing Role: Primary audio DSP executing Dolby Atmos and DTS:X decoding from ROM, managing ASRCs for sample rate alignment across sources, and driving multi-channel DACs via SPORTs.

Use Value: Eliminates need for external ASRC ICs and reduces BOM cost by integrating 4 ASRCs, S/PDIF transceiver, and 8 SPORTs - cuts PCB area by ≥25% vs. discrete solution.

Use Scenario: Low-latency audio interface between FPGA-based ADC/DAC banks and host PC, supporting 192 kHz/32-bit recording with hardware-accelerated reverb and dynamics processing.

IC Role / Device Role / Timing Role: Co-processor handling time-critical I/O (IDP/PDAP for parallel data, SPORTs for TDM), FIR filtering, and FFT-based spectral analysis - relieves host CPU load.

Use Value: Achieves <50 μs round-trip latency using DMA-driven SPORTs and zero-overhead circular buffers - meets professional DAW timing requirements without jitter.

Active Noise Cancellation (ANC) Module

Pro Audio Multi-Channel Mixer

Use Scenario: Adaptive feedforward + feedback ANC in premium vehicle cabins, requiring real-time acoustic modeling, adaptive filter updates, and ultra-low-latency path compensation.

IC Role / Device Role / Timing Role: Dedicated ANC engine running LMS/NLMS algorithms on dual SIMD cores, synchronizing microphone inputs (via SPORTs) and speaker outputs (via DAI) with sub-microsecond phase alignment.

Use Value: 400 MHz SIMD core delivers >2 GFLOPS sustained throughput - enables 256-tap adaptive filters at 96 kHz with margin for future algorithm upgrades.

Use Scenario: 32-in/32-out live sound mixer with channel strip processing (compression, gating, harmonic enhancement), monitor send routing, and Dante/AES67 bridging.

IC Role / Device Role / Timing Role: Central audio processing node performing per-channel dynamics, FIR-based loudspeaker correction, and ASRC-based format conversion between analog I/O, AES3, and network streams.

Use Value: Integrated 4 ASRCs and 8 SPORTs support simultaneous 32-channel I/O at mixed sample rates (44.1/48/88.2/96 kHz) - removes need for external SRC chips and simplifies clock domain isolation.

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
AD21489WBCPZ2202	450 MHz max frequency, 5 Mbits SRAM, same 88-lead LFCSP_VQ package - no ROM, no audio decoders	Higher compute throughput for algorithm-heavy tasks (e.g., beamforming, ML inference); lacks factory-programmed Dolby/DTS codecs	Select when raw processing headroom outweighs pre-integrated audio IP - requires external codec licensing and flash storage
AD21479WBSWZ4A	400 MHz, 5 Mbits SRAM, 176-lead LQFP_EP package - includes SDRAM controller and external port pins	Supports large external memory for streaming applications (e.g., cloud audio buffering); larger footprint and higher power	Choose when system requires >3 Mbits on-chip memory or direct SDRAM interfacing - not pin-compatible due to different package and pin count

Compared with AD21488WBCPZ2202, AD21489WBCPZ2202 trades ROM-based audio IP for higher clock speed and memory, while AD21479WBSWZ4A sacrifices compactness for expandable memory architecture - selection depends on whether integrated codecs, compute ceiling, or memory scalability is the primary constraint.

Availability

AD21488WBCPZ2202 is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, and active noise cancellation systems requiring stable component supply, AEC-Q100 compliance, and long-term industrial lifecycle support.

Supply support for AD21488WBCPZ2202 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, with design centers worldwide and a 50+ year heritage in precision signal processing.

The SHARC® processor family - including AD21488WBCPZ2202 - was engineered specifically for deterministic, low-latency audio and industrial control applications demanding floating-point precision, rich peripheral integration, and automotive-grade reliability.

FAQ

What is the maximum operating frequency of the AD21488WBCPZ2202?

The AD21488WBCPZ2202 operates at a maximum core clock frequency of 400 MHz. This rating is guaranteed across the full AEC-Q100 Grade 2 temperature range (−40°C to +105°C ambient) and under specified voltage conditions (1.10 V ±3% core, 3.3 V ±5% I/O). Performance benchmarks confirm 23 μs for 1024-point complex FFT and 1.25 ns per FIR tap at this speed. The AD21488WBCPZ2202 does not support 450 MHz operation - that capability is exclusive to AD21487/AD21489 variants.

Does the AD21488WBCPZ2202 include factory-programmed audio codecs?

Yes, the AD21488WBCPZ2202 includes 4 Mbits of mask-programmed ROM containing licensed Dolby® and DTS® multichannel audio decoding and post-processing algorithms. These codecs are executed directly from ROM, reducing external memory requirements and boot time. The specific decoder combinations (e.g., Dolby Digital Plus, DTS-HD Master Audio) are fixed at manufacture and cannot be updated - confirmed in Analog Devices' ADSP-2148x datasheet Rev. I, Table 2 and General Description section.

Which package does the AD21488WBCPZ2202 use, and does it support external memory interfaces?

The AD21488WBCPZ2202 uses an 88-lead LFCSP_VQ package (12 mm × 12 mm, 0.5 mm pitch) with exposed thermal pad. Per datasheet Table 2 and Pin Function Descriptions, this package excludes all external port (EP) pins - meaning the SDRAM controller and asynchronous memory interface (AMI) are physically absent and functionally disabled. Systems requiring external memory must use a different variant such as AD21486WBSWZ4A (176-lead LQFP_EP) or AD21487WBSWZ4A.

How many serial ports (SPORTs) does the AD21488WBCPZ2202 provide, and what protocols do they support?

The AD21488WBCPZ2202 provides eight fully independent serial ports (SPORT0 through SPORT7), each configurable for I²S, left-justified, right-justified, or TDM modes with programmable word length (8–32 bits), clock polarity, and frame sync timing. All SPORTs support transmit/receive DMA and can operate simultaneously at different sample rates - enabling seamless bridging between disparate audio domains (e.g., Bluetooth A2DP at 44.1 kHz and car radio at 48 kHz) using integrated ASRCs.

Is the AD21488WBCPZ2202 pin-compatible with other ADSP-2148x family members?

No, the AD21488WBCPZ2202 is not pin-compatible with other ADSP-2148x variants due to its unique 88-lead LFCSP_VQ package. ADSP-21483/ADSP-21486/ADSP-21487/ADSP-21489 are offered in 100-lead or 176-lead LQFP_EP packages, while AD21488WBCPZ2202 shares only the 88-lead LFCSP_VQ option with AD21486WBCPZ2202 (which has identical pinout but different internal configuration). PCB layout must be designed specifically for the 88-lead footprint.

AD21488WBCPZ2202 Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: SHARC®

Package/Case:: 88-VFQFN Exposed Pad, CSP

Packaging:: Tray

Product Status:: Active

Type:: Floating Point

Interface:: EBI/EMI, DAI, I2C, SPI, SPORT, UART/USART

Clock Rate:: 300MHz

Non-Volatile Memory:: External

On-Chip RAM:: 256kB

Voltage - I/O:: 3.30V

Voltage - Core:: 1.10V

Operating Temperature:: -40°C ~ 125°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 88-LFCSP-VQ (12x12)

AD21488WBCPZ2202 FAQ

1.How can I place an order for AD21488WBCPZ2202 through Aetrix?

Please submit a Request for Quotation (RFQ) for AD21488WBCPZ2202 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 AD21488WBCPZ2202 reliable?

The price and inventory of AD21488WBCPZ2202 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD21488WBCPZ2202 is usually 5 days.

3.What payment methods are accepted for AD21488WBCPZ2202?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD21488WBCPZ2202 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AD21488WBCPZ2202?

AD21488WBCPZ2202 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD21488WBCPZ2202 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 AD21488WBCPZ2202?

For technical support, including AD21488WBCPZ2202 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD21488WBCPZ2202 requirements.

6.How does Aetrix verify that AD21488WBCPZ2202 is sourced from the original manufacturer or authorized distributors?

All AD21488WBCPZ2202 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 AD21488WBCPZ2202 meets industry standards.

7.What is the process for return or replacement of AD21488WBCPZ2202?

All AD21488WBCPZ2202 units undergo pre-shipment inspection (PSI). If there is an issue with AD21488WBCPZ2202, 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 AD21488WBCPZ2202 part is unused and in its original packaging.

Return procedure for AD21488WBCPZ2202:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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