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Analog Devices Inc. AD21477WYCPZ1A02
- Part No.:
- AD21477WYCPZ1A02
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 88-VFQFN Exposed Pad, CSP
- Datasheet:
-
AD21477WYCPZ1A02.pdf
- Description:
- SHARC PROCESSOR 200MHZ
- Quantity:
- Payment:
- Shipping:
Inventory:4,017
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Product details
Overview
AD21477WYCPZ1A02 from Analog Devices is a 32-bit/40-bit floating-point SHARC® DSP optimized for high-performance audio processing, operating at up to 200 MHz with 2 Mbits of on-chip SRAM, SIMD computational architecture, and AEC-Q100 qualification for automotive infotainment systems.
For engineers reviewing the AD21477WYCPZ1A02 datasheet, AD21477WYCPZ1A02 pinout, AD21477WYCPZ1A02 application, or AD21477WYCPZ1A02 equivalent, key selection considerations include its 88-lead LFCSP_VQ package, S/PDIF transceiver support, digital applications interface (DAI), 8 SPORTs, and absence of external port or RTC-distinguishing it from ADSP-21478/21479 variants.
Technical Context
The AD21477WYCPZ1A02 implements a dual-processing-element (PEx/PEy) SIMD core with IEEE 32-bit single-precision and 40-bit extended-precision floating-point support, enabling 1.2 GFLOPS at 200 MHz. Its enhanced Harvard architecture features separate 64-bit PM/DM buses, 5-stage sequencer with instruction cache, and two data address generators (DAG1/DAG2) for zero-overhead circular buffering.
Peripherally, it integrates a digital applications interface (DAI) with 20 DAI/DPI routing pins, S/PDIF Tx/Rx, four precision clock generators (PCG), eight serial ports (SPORTs), three PWM units, SPI/B, UART, TWI, and thermal diode-while omitting SDRAM controller, AMI, RTC, watchdog timer, and shift register found only in higher-tier variants.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 32-bit/40-bit SIMD SHARC processor with PEx/PEy dual ALU/multiplier/shifter units |
| Max Operating Frequency | 200 MHz - determines real-time audio algorithm throughput (e.g., 1024-pt FFT in 45.885 μs) |
| On-Chip Memory | 2 Mbits SRAM (no ROM) - configurable as 160k × 32-bit words; supports 16-bit FP format doubling storage density |
| Digital Interfaces | 8 SPORTs, 1 S/PDIF transceiver, 2 SPI, 1 UART, 1 TWI, 3 PWM - enables multi-channel audio I/O and peripheral control |
| Package & Thermal | 88-lead LFCSP_VQ (12 mm × 12 mm, 0.5 mm pitch) with integrated thermal diode for junction temperature monitoring |
| Automotive Qualification | AEC-Q100 Grade 2 (−40°C to +105°C) - validated for under-hood infotainment and head unit deployment |
| Power Management | Core voltage: 1.1 V ±3%; I/O voltage: 3.3 V ±5% - requires dual-rail supply with low-noise regulation |
Pinout & Package
AD21477WYCPZ1A02 uses an 88-lead LFCSP_VQ (Lead Frame Chip Scale Package, Very Thin Quad) measuring 12 mm × 12 mm with 0.5 mm pitch and exposed thermal pad. The package supports thermal dissipation up to 2.5 W and includes a calibrated on-die thermal diode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.1 V ±3% input for processor core; requires low-ESR ceramic decoupling (100 nF + 10 μF) |
| VDD_IO | I/O power supply | 3.3 V ±5% input for all digital I/O banks; independent from VDD_CORE |
| CLKIN | External reference clock input | Accepts 1–50 MHz crystal or LVCMOS clock; feeds PLL for internal 200 MHz core clock generation |
| RESET | Active-low asynchronous reset | Asserted low for ≥100 ns to initialize core, peripherals, and memory; synchronous release required |
| TDI/TDO/TCK/TMS | JTAG boundary scan interface | IEEE 1149.1-compliant debug port supporting emulation, flash programming, and boundary scan testing |
| SPORT0_DA/DB | Serial port 0 data lines | Dual 32-bit bidirectional data lanes for time-division multiplexed audio streams (e.g., I²S, TDM) |
| S/PDIF_TX/RX | S/PDIF transceiver signals | Direct connection to coaxial/optical audio interface; supports consumer/professional format compliance |
| THERM | Thermal diode output | Analog voltage proportional to die temperature; used with external ADC for thermal management |
Key Features
| Feature | Design Value |
|---|---|
| SIMD Computational Engine | Simultaneous execution of identical instructions across PEx and PEy units doubles FIR/IIR throughput vs. SISD mode |
| Digital Applications Interface (DAI) | 20-pin flexible signal routing unit enabling custom interconnect between SPORTs, S/PDIF, PCGs, and PWM without external logic |
| Variable Instruction Set Architecture (VISA) | 16-/32-bit compressed opcodes reduce code size by ~30% and improve cache hit rate for memory-constrained audio firmware |
| On-Chip Thermal Diode | Factory-calibrated analog output (1.2 mV/°C) enables real-time junction temperature monitoring without external sensors |
| AEC-Q100 Automotive Compliance | Validated for Grade 2 operation (−40°C to +105°C) with HTOL, TC, ESD, and EMC testing per automotive reliability standards |
Applications
| Automotive Infotainment Head Unit | Professional Audio Digital Mixer |
|---|---|
Use Scenario: Real-time multi-band parametric EQ, dynamic range compression, and Dolby Digital decoding in vehicle head units. IC Role / Device Role / Timing Role: Primary audio signal processor handling 16-channel I²S input, S/PDIF output, and ASRC-free sample rate alignment. Use Value: 200 MHz SIMD core delivers deterministic <50 μs latency for feedback-critical cabin audio tuning loops. |
Use Scenario: Low-latency mixing of 32-channel studio-grade audio with real-time effects (reverb, delay, harmonic enhancement). IC Role / Device Role / Timing Role: Central DSP engine managing 8 SPORTs for ADC/DAC interfacing, DAI-routed clock synchronization, and PCG-driven sample rate stability. Use Value: On-chip 2 Mbits SRAM eliminates external memory bottlenecks, sustaining 1.2 GFLOPS for parallel FIR filtering across all channels. |
| High-End Home Theater Receiver | Medical Ultrasound Beamformer |
Use Scenario: Concurrent decoding of Dolby Atmos and DTS:X bitstreams with object-based audio rendering and room correction. IC Role / Device Role / Timing Role: Audio coprocessor executing licensed decoder firmware from factory-programmed ROM (not applicable to AD21477WYCPZ1A02; uses external flash). Use Value: S/PDIF transceiver and precision clock generators ensure jitter <50 ps RMS for bit-perfect HDMI audio passthrough. |
Use Scenario: Real-time beamforming calculations on 128-element ultrasound transducer arrays with adaptive focusing. IC Role / Device Role / Timing Role: High-precision floating-point accelerator performing complex FIR filtering and phase rotation on RF echo data streams. Use Value: 40-bit extended-precision arithmetic maintains SNR >110 dB over 128-tap beamformer coefficients, critical for diagnostic image clarity. |
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 |
|---|---|---|---|
| AD21478WYCPZ1A02 | 3 Mbits SRAM, 300 MHz max frequency, adds SDRAM controller and external port (196-BGA only) | Required for designs needing external memory expansion or higher compute throughput (>1.8 GFLOPS) | Select when system requires >2 Mbits on-chip memory or glueless SDRAM interface; incompatible pinout (196-BGA vs. 88-LFCSP) |
| AD21479WYCPZ1A02 | 5 Mbits SRAM, 300 MHz, adds RTC, watchdog timer, shift register, and MediaLB interface (196-BGA only) | Suitable for systems requiring time-stamped audio logging, fail-safe monitoring, or automotive network integration | Choose for AEC-Q100 systems needing real-time clocking or enhanced diagnostics; not pin-compatible with AD21477WYCPZ1A02 |
Compared with AD21477WYCPZ1A02, AD21478WYCPZ1A02 and AD21479WYCPZ1A02 offer higher memory capacity and frequency but require BGA packaging and introduce peripheral complexity unnecessary for compact, cost-sensitive audio endpoints.
Availability
AD21477WYCPZ1A02 is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, home theater receivers, and medical ultrasound beamformers requiring stable component supply across long production lifecycles.
Supply support for AD21477WYCPZ1A02 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 semiconductor leader specializing in high-performance analog, mixed-signal, and DSP technologies for precision signal processing applications.
The ADSP-2147x SHARC family was designed specifically for computationally intensive, low-latency audio signal processing in automotive, professional, and consumer systems where floating-point accuracy and deterministic timing are critical.
FAQ
What is the maximum operating frequency of the AD21477WYCPZ1A02?
The AD21477WYCPZ1A02 operates at a maximum frequency of 200 MHz. This clock speed enables deterministic execution of real-time audio algorithms such as 1024-point complex FFT in 45.885 μs and FIR filtering at 1.66 ns per tap in SIMD mode. The frequency is fixed by the internal PLL configuration and cannot be overclocked beyond datasheet specifications.
Does the AD21477WYCPZ1A02 include on-chip ROM?
No, the AD21477WYCPZ1A02 contains 2 Mbits of on-chip SRAM but no factory-programmed ROM. Unlike ADSP-21478/21479 variants, it relies on external non-volatile memory (e.g., SPI flash) for boot code and licensed audio decoders. The internal memory map reserves ROM address ranges but leaves them unimplemented in this specific variant.
Is the AD21477WYCPZ1A02 pin-compatible with other ADSP-2147x processors?
No, the AD21477WYCPZ1A02 is not pin-compatible with ADSP-21478 or ADSP-21479. It uses an 88-lead LFCSP_VQ package, whereas ADSP-21478/21479 require 196-ball CSP_BGA packages to accommodate additional peripherals like SDRAM controller and RTC. Pin mapping, power domains, and thermal pad layout differ fundamentally.
What audio interfaces does the AD21477WYCPZ1A02 support natively?
The AD21477WYCPZ1A02 supports eight serial ports (SPORTs), one S/PDIF transceiver, two SPI interfaces, one UART, and one TWI (I²C) interface. It lacks ASRC, MediaLB, and external port interfaces present in higher-tier variants. All audio I/O is managed through the digital applications interface (DAI) for flexible signal routing without external glue logic.
Does the AD21477WYCPZ1A02 support AEC-Q100 qualification?
Yes, the AD21477WYCPZ1A02 is AEC-Q100 qualified for Grade 2 (−40°C to +105°C), making it suitable for automotive infotainment head units and display audio systems. Qualification includes stress testing for high-temperature operating life, temperature cycling, electrostatic discharge, and electromagnetic compatibility per automotive reliability standards.
AD21477WYCPZ1A02 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 88-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Floating Point
- Interface:
- DAI, DPI, I2C, SPI, SPORT, UART/USART
- Clock Rate:
- 200MHz
- Non-Volatile Memory:
- -
- On-Chip RAM:
- 2Mbit
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.20V
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 88-LFCSP-VQ (12x12)
AD21477WYCPZ1A02 FAQ
1.How can I place an order for AD21477WYCPZ1A02 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD21477WYCPZ1A02 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 AD21477WYCPZ1A02 reliable?
The price and inventory of AD21477WYCPZ1A02 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD21477WYCPZ1A02 is usually 5 days.
3.What payment methods are accepted for AD21477WYCPZ1A02?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD21477WYCPZ1A02 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD21477WYCPZ1A02?
AD21477WYCPZ1A02 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD21477WYCPZ1A02 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 AD21477WYCPZ1A02?
For technical support, including AD21477WYCPZ1A02 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD21477WYCPZ1A02 requirements.
6.How does Aetrix verify that AD21477WYCPZ1A02 is sourced from the original manufacturer or authorized distributors?
All AD21477WYCPZ1A02 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 AD21477WYCPZ1A02 meets industry standards.
7.What is the process for return or replacement of AD21477WYCPZ1A02?
All AD21477WYCPZ1A02 units undergo pre-shipment inspection (PSI). If there is an issue with AD21477WYCPZ1A02, 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 AD21477WYCPZ1A02 part is unused and in its original packaging.
Return procedure for AD21477WYCPZ1A02:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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