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Analog Devices Inc. ADAU1466WBCPZ300
- Part No.:
- ADAU1466WBCPZ300
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 72-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADAU1466WBCPZ300.pdf
- Description:
- 32BIT SIGMADSP AUDIO 24K/80K
- Quantity:
- Payment:
- Shipping:
Inventory:235
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Product details
Overview
ADAU1466WBCPZ300 from Analog Devices is an automotive-qualified, fully programmable 32-bit SigmaDSP audio processor featuring a 294.912 MHz core, 80 kWords of data RAM, 24 kWords of program memory, up to 1600 ms digital audio delay at 48 kHz, and support for 48-channel 32-bit I/O at sample rates up to 192 kHz. It serves as a high-performance audio hub in head units and distributed amplifier systems.
For engineers reviewing the ADAU1466WBCPZ300 datasheet, ADAU1466WBCPZ300 pinout, ADAU1466WBCPZ300 application, or ADAU1466WBCPZ300 equivalent, key selection considerations include its ASRC count (8 stereo), S/PDIF I/O capability, PDM microphone input support, integrated 1.2 V regulator, and −40°C to +105°C operating range.
Technical Context
The ADAU1466WBCPZ300 implements a restructured SigmaDSP architecture optimized for stream, multirate, and block processing-enabling efficient execution of complex audio algorithms with up to 6144 SIMD instructions per sample at 48 kHz. Its hardware includes independent slave/master I²C/SPI ports, self-boot EEPROM interface, and dedicated decimation filters for four PDM microphones.
Core timing is derived from an on-chip crystal oscillator and integer PLL with multiple fractional outputs, supporting simultaneous generation of up to 15 sample rates. Audio routing is managed by flexible input/output matrices, four TDM serial ports (each configurable for I²S, left/right-justified, or PCM), and eight stereo asynchronous sample rate converters with 139 dB dynamic range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSP Core Frequency | 294.912 MHz - Enables real-time execution of high-complexity audio processing (e.g., multi-band EQ, crossover, beamforming) at 48 kHz with up to 6144 SIMD instructions per sample. |
| Data RAM | 80 kWords - Supports large delay lines (up to 1600 ms at 48 kHz), extensive filter coefficient storage, and dynamic parameter updates without external memory. |
| Program Memory | 24 kWords - Accommodates full signal flow implementations including ASRCs, S/PDIF transceivers, and PDM decimation in SigmaStudio. |
| Audio I/O Channels | 48-channel, 32-bit - Allows direct connection to multiple ADCs/DACs or digital audio devices via four TDM ports, scalable across automotive infotainment zones. |
| ASRC Count & Performance | 8 stereo (16-channel) ASRCs, 139 dB dynamic range - Enables seamless integration of disparate audio sources (e.g., Bluetooth, tuner, USB) with independent sample rate domains. |
| Operating Temperature | −40°C to +105°C - Qualified for under-hood and trunk-mounted automotive amplifier applications per AEC-Q100 requirements. |
| Supply Regulation | On-chip 1.2 V regulator from 3.3 V AVDD - Eliminates need for external core LDO, reducing BOM count and PCB area in space-constrained head unit designs. |
Pinout & Package
72-lead, 10 mm × 10 mm LFCSP package with 5.3 mm exposed thermal pad; RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MCLK | Master Clock Input | Accepts 2.375–36 MHz crystal or external clock; feeds PLL and oscillator for all internal timing domains. |
| BCLK_IN0–BCLK_IN3 | Bit Clock Inputs (x4) | Synchronize incoming TDM/I²S data streams; each pair supports independent sample rates up to 192 kHz. |
| SDATA_IN0–SDATA_IN3 | Serial Data Inputs (x4) | 48-channel digital audio input path; each port handles up to 12 channels in TDM mode. |
| SPDIFIN / SPDIFOUT | S/PDIF Receiver / Transmitter | Full-duplex 192 kHz S/PDIF interface with jitter reduction; supports consumer/professional audio interconnect. |
| MP0–MP13 | Multipurpose I/O Pins | Configurable as GPIO, interrupt inputs, or control outputs; support 24.576 MHz switching for LED/status signaling or button scanning. |
| AUXADC0–AUXADC5 | Auxiliary ADC Inputs | 6-channel, 10-bit SAR converter for monitoring temperature, voltage rails, or potentiometer wipers in audio subsystems. |
| XTALIN / XTALOUT | Crystal Oscillator Terminals | Drive standard 12.288 MHz (or other) fundamental-mode crystals; transconductance 8.1–14.6 mS ensures stable startup. |
| REGULATOR_OUT | DVDD Output | Provides regulated 1.2 V ±5% to DSP core and ASRCs; rated for up to 800 mA load with low-noise performance. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 2 (−40°C to +105°C) - Validated for deployment in head units, trunk amplifiers, and rear-seat entertainment without derating. |
| SigmaStudio graphical development | Drag-and-drop signal flow design with real-time tuning, hardware-accelerated ASRC and S/PDIF blocks, and automatic code generation - reduces firmware development time by >50% vs. hand-coded DSP. |
| PDM microphone interface | Four dedicated PDM input channels with on-chip decimation filters - enables direct connection of MEMS microphones without external converters in ANC or voice UI systems. |
| Flexible clock architecture | Integer PLL + multiple clock generators - supports simultaneous 44.1 kHz, 48 kHz, 96 kHz, and 192 kHz domains, eliminating external clock synthesizers. |
| Self-boot capability | Direct loading of program and parameters from SPI EEPROM at power-up - enables standalone operation without host MCU in cost-sensitive amplifier modules. |
| Dual-control-port interface | Independent I²C and SPI slave ports plus master-capable I²C/SPI - allows host MCU programming while simultaneously controlling external DACs, ADCs, or display drivers. |
Applications
| Automotive Head Unit | Distributed Amplifier System |
|---|---|
Use Scenario: Central infotainment unit integrating tuner, Bluetooth, USB, and navigation audio with multi-zone output. IC Role / Device Role / Timing Role: Audio hub and real-time signal processor managing sample rate conversion, loudness compensation, and parametric EQ per zone. Use Value: 8 stereo ASRCs and 48-channel I/O eliminate external SRC ICs and reduce interconnect complexity between source and amplifier modules. |
Use Scenario: Multi-channel amplifier located in vehicle trunk, receiving processed audio over TDM from head unit and driving front/rear/subwoofer speakers. IC Role / Device Role / Timing Role: Final-stage audio processor applying channel-specific crossovers, time alignment, and protection limiting before Class-D amplification. Use Value: 1600 ms delay pool enables precise speaker time-of-flight correction across 5+ meter vehicle lengths at 48 kHz sampling. |
| Rear Seat Entertainment | Commercial Audio DSP Platform |
Use Scenario: Dual-screen rear-seat system delivering independent audio streams to headphones and seatback speakers. IC Role / Device Role / Timing Role: Independent audio domain manager handling dual S/PDIF inputs, PDM mic capture for voice commands, and headphone DAC interface. Use Value: On-chip 1.2 V regulator and −40°C to +105°C rating allow direct mounting near display electronics without thermal derating or external LDOs. |
Use Scenario: Rack-mountable digital mixer with analog I/O expansion, Dante/AES67 bridging, and real-time effects processing. IC Role / Device Role / Timing Role: High-fidelity audio engine executing FIR-based room correction, dynamic EQ, and multi-band compression with deterministic latency. Use Value: 294.912 MHz core and 80 kWords RAM support >100 biquad filters and 2048-tap FIRs per channel without external memory bottleneck. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADAU1462WBCPZ300 | 48 kWords data RAM, 16 kWords program RAM, same 294.912 MHz core and pinout | Lower memory capacity limits delay line depth and number of concurrent audio processing blocks | Select when application requires <1000 ms delay or ≤8-channel I/O with reduced memory footprint. |
| ADAU1452WBCPZ | 147.456 MHz core, 32 kWords data RAM, 16 kWords program RAM, same LFCSP-72 package | Lower compute throughput and memory restrict use to entry-level head units or single-zone amplifiers | Choose for cost-sensitive designs where 48 kHz processing load remains below 3000 SIMD instructions/sample. |
Compared with ADAU1462WBCPZ300 and ADAU1452WBCPZ, the ADAU1466WBCPZ300 delivers 67% more data RAM and identical core speed-making it the only option among the three capable of full 48-channel, multi-domain audio routing with >1 s delay and 10-band EQ per channel at 192 kHz.
Availability
ADAU1466WBCPZ300 is available at Aetrix Electronics and suitable for automotive head units, distributed amplifier systems, rear seat entertainment modules, and commercial audio DSP platforms requiring stable component supply across extended product lifecycles.
Supply support for ADAU1466WBCPZ300 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and consumer markets since 1965.
The ADAU1466WBCPZ300 belongs to the SigmaDSP family-designed specifically for low-latency, high-fidelity audio signal processing in automotive and professional audio systems with emphasis on configurability, memory efficiency, and AEC-Q100 compliance.
FAQ
What is the maximum audio sample rate supported by the ADAU1466WBCPZ300?
The ADAU1466WBCPZ300 supports digital audio I/O at sample rates up to 192 kHz across all 48 channels. Its S/PDIF transmitter and receiver both operate at 192 kHz, and its four TDM serial ports can be configured for I²S, left/right-justified, or PCM formats at rates from 6 kHz to 192 kHz. The ASRCs maintain 139 dB dynamic range across this full range.
Does the ADAU1466WBCPZ300 include an integrated voltage regulator?
Yes, the ADAU1466WBCPZ300 integrates a high-efficiency on-chip regulator that generates a stable 1.2 V ±5% DVDD supply from a 3.3 V AVDD input. This regulator supports up to 800 mA load and eliminates the need for an external core LDO in most automotive audio designs, simplifying power delivery and reducing board area.
How many PDM microphone inputs does the ADAU1466WBCPZ300 support?
The ADAU1466WBCPZ300 supports four dedicated PDM microphone input channels with integrated decimation filters. These inputs accept standard 1-bit PDM streams from MEMS microphones and convert them to 32-bit PCM data internally-enabling direct integration of voice UI, active noise cancellation, or acoustic echo cancellation without external PDM-to-PCM converters.
Is the ADAU1466WBCPZ300 pin-compatible with other SigmaDSP processors?
Yes, the ADAU1466WBCPZ300 is pin- and register-compatible with the ADAU1462, ADAU1450, ADAU1451, and ADAU1452 families in the same 72-lead LFCSP package. This allows drop-in replacement and software reuse across product tiers, provided memory and core frequency requirements align with the target application's processing load.
What development tools are required to program the ADAU1466WBCPZ300?
Programming the ADAU1466WBCPZ300 requires Analog Devices' SigmaStudio graphical development environment, which runs on Windows PCs and connects via USBi or USB-to-I²C/SPI adapters. SigmaStudio provides drag-and-drop signal flow design, real-time parameter tuning, and automatic code generation-no C coding or DSP assembly expertise is needed to deploy full audio processing algorithms on the ADAU1466WBCPZ300.
ADAU1466WBCPZ300 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SigmaDSP®
- Package/Case:
- 72-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Sigma
- Interface:
- I2C, SPI
- Clock Rate:
- 294.912MHz
- Non-Volatile Memory:
- ROM (96kB)
- On-Chip RAM:
- 320kB
- 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:
- 72-LFCSP-VQ (10x10)
ADAU1466WBCPZ300 FAQ
1.How can I place an order for ADAU1466WBCPZ300 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADAU1466WBCPZ300 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 ADAU1466WBCPZ300 reliable?
The price and inventory of ADAU1466WBCPZ300 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADAU1466WBCPZ300 is usually 5 days.
3.What payment methods are accepted for ADAU1466WBCPZ300?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADAU1466WBCPZ300 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADAU1466WBCPZ300?
ADAU1466WBCPZ300 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADAU1466WBCPZ300 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 ADAU1466WBCPZ300?
For technical support, including ADAU1466WBCPZ300 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADAU1466WBCPZ300 requirements.
6.How does Aetrix verify that ADAU1466WBCPZ300 is sourced from the original manufacturer or authorized distributors?
All ADAU1466WBCPZ300 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 ADAU1466WBCPZ300 meets industry standards.
7.What is the process for return or replacement of ADAU1466WBCPZ300?
All ADAU1466WBCPZ300 units undergo pre-shipment inspection (PSI). If there is an issue with ADAU1466WBCPZ300, 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 ADAU1466WBCPZ300 part is unused and in its original packaging.
Return procedure for ADAU1466WBCPZ300:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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