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Analog Devices Inc. ADAU1463WBCPZ300RL
- Part No.:
- ADAU1463WBCPZ300RL
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 88-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADAU1463WBCPZ300RL.pdf
- Description:
- 32BIT SIGMADSP AUDIO 16K/48K
- Quantity:
- Payment:
- Shipping:
Inventory:1,566
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Product details
Overview
ADAU1463WBCPZ300RL from Analog Devices is an automotive-qualified 32-bit SigmaDSP audio processor with a 294.912 MHz core, 48 kWords data RAM, 16 kWords program memory, and integrated 8-channel ASRCs supporting up to 192 kHz I/O. It serves as a multirate audio hub in head units and trunk amplifiers, enabling real-time EQ, crossover, and dynamic range control.
For engineers reviewing the ADAU1463WBCPZ300RL datasheet, ADAU1463WBCPZ300RL pinout, ADAU1463WBCPZ300RL application, or ADAU1463WBCPZ300RL equivalent, key selection criteria include its 294.912 MHz DSP core frequency, 48 kWords of data RAM, 8 stereo ASRCs (139 dB DR), 48-channel TDM I/O, and automotive temperature range (−40°C to +105°C).
Technical Context
The ADAU1463WBCPZ300RL 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 four independent serial input/output clock domains, each configurable as master or slave, and eight SDATAIOx pins assignable to any port for flexible channel expansion.
It integrates dual control interfaces (I²C/SPI slave and master), self-boot capability from EEPROM, on-chip 1.2 V regulator (fed from 3.3 V), and a die temperature sensor. The 88-lead LFCSP package supports high-density automotive PCB layouts while maintaining thermal performance across −40°C to +105°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSP Core Frequency | 294.912 MHz - enables real-time execution of >6k SIMD instructions/sample at 48 kHz |
| Data RAM | 48 kWords - supports large delay buffers (up to 1600 ms at 48 kHz) and multi-channel processing |
| Program Memory | 16 kWords - accommodates complex signal flows including parametric EQ, dynamics, and routing logic |
| ASRC Channels | 8 stereo (16-channel) - provides sample rate conversion between asynchronous sources (e.g., Bluetooth, USB, analog ADCs) |
| Digital I/O Capacity | 48 channels @ ≤192 kHz - delivered via 4× TDM serial ports with assignable SDATAIOx pins |
| Temperature Range | −40°C to +105°C - qualified for under-hood and amplifier module mounting in automotive systems |
| Supply Integration | On-chip 1.2 V regulator - eliminates external core LDO, reduces BOM count and layout area |
Pinout & Package
ADAU1463WBCPZ300RL uses an 88-lead, 12 mm × 12 mm LFCSP package with 5.3 mm exposed thermal pad (RoHS-compliant, moisture sensitivity level 3). Pin functions are defined per Analog Devices' datasheet Rev. A, Page 18–23.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| MCLK / XTALIN | Master clock input / crystal oscillator input | Accepts 2.375–36 MHz clock source; enables PLL-based generation of all internal audio clocks |
| BCLK_IN0–BCLK_IN3 LRCLK_IN0–LRCLK_IN3 | Input serial port bit/frame clocks | Four independent clock domains support simultaneous TDM/I²S/PCM inputs at different sample rates |
| SDATAIO0–SDATAIO7 | Configurable serial data I/O | Each pin assignable to any input or output port; enables up to 8 channels per data line in TDM mode |
| SPDIFIN / SPDIFOUT | S/PDIF receiver/transmitter | Full-duplex 192 kHz S/PDIF interface with jitter rejection and format detection |
| I²C/SPI (SS, SCLK, MOSI, MISO, SDA, SCL) | Control interface (slave & master) | Dual-mode control allows host MCU programming and direct peripheral management (e.g., DACs, ADCs) |
| MP0–MP25 | Multipurpose digital I/O | 26 pins configurable as GPIO, PWM, interrupt, or auxiliary control signals; includes 8-channel 10-bit SAR ADC inputs |
| AVDD / DVDD / PVDD / IOVDD | Power supply domains | Separate analog (3.3 V), digital core (1.2 V), PLL (3.3 V), and I/O (1.8–3.3 V) rails enable noise isolation and flexible system power design |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 2 (−40°C to +105°C) - certified for safety-critical infotainment and amplifier modules |
| SigmaStudio graphical development | Drag-and-drop signal flow design with real-time tuning - eliminates low-level assembly coding for audio algorithms |
| Flexible TDM interface | Up to 48 channels over 4 ports using shared SDATAIOx pins - avoids high-speed clocking and simplifies PCB routing |
| Integrated ASRCs | 8 stereo converters with 139 dB dynamic range - eliminates external SRC ICs and associated jitter accumulation |
| Self-boot capability | Direct boot from SPI EEPROM without host MCU - enables standalone operation in amplifier or DSP add-on modules |
| Dedicated PDM microphone interface | 4-channel PDM decimation - supports MEMS microphone arrays for ANC and voice enhancement without external decimation logic |
Applications
| Automotive Head Unit | Rear Seat Entertainment |
|---|---|
Use Scenario: Central infotainment unit processing audio from multiple sources (Bluetooth, USB, tuner, navigation alerts). IC Role / Device Role / Timing Role: Audio hub performing sample rate conversion, mixing, loudness compensation, and speaker-specific EQ before sending to amplifier or DAC. Use Value: Eliminates need for discrete SRCs and external DSP; 294.912 MHz core ensures deterministic latency <1 ms for voice prompt playback. | Use Scenario: Multi-zone entertainment system delivering independent audio streams to rear displays and headphones. IC Role / Device Role / Timing Role: Multirate routing engine synchronizing HDMI audio, wireless streaming, and local media playback into time-aligned TDM outputs. Use Value: 48-channel I/O and 8 ASRCs enable concurrent handling of 4+ asynchronous sources without external buffering or clock domain crossing logic. |
| Trunk Amplifier Module | Commercial Audio Processor |
Use Scenario: Compact Class-D amplifier with built-in DSP for active crossover, protection, and cabin acoustic tuning. IC Role / Device Role / Timing Role: Real-time signal conditioner generating PWM drive signals and monitoring speaker impedance via auxiliary ADC. Use Value: On-chip 10-bit SAR ADC and 26 MP pins allow direct integration of thermal sensors, relay controls, and fault reporting-reducing external component count by ≥7 parts. | Use Scenario: Fixed-function audio processor in digital mixer or broadcast encoder requiring low-latency, high-fidelity processing. IC Role / Device Role / Timing Role: Primary DSP executing FIR filters, dynamics processing, and metadata embedding in professional audio pipeline. Use Value: 16 kWords program memory and 48 kWords data RAM support >30-band parametric EQ + 512-tap FIR per channel at 96 kHz-meeting AES67 timing compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADAU1467WBCPZ300RL | 80 kWords data RAM, 24 kWords program memory - 67% more memory than ADAU1463WBCPZ300RL | Required for >16-channel systems with extensive delay lines or multi-band compression | Select when >48 kWords data RAM is needed for large acoustic models or >16-channel I/O with full ASRC utilization |
| ADAU1452WBCPZ | Lower core frequency (170 MHz), 32 kWords data RAM, no PDM input - lacks ASRC count and automotive temp rating | Suitable only for non-automotive, ≤16-channel consumer audio with fixed sample rates | Choose only for cost-sensitive industrial audio where −40°C to +105°C operation and PDM mic support are unnecessary |
Compared with ADAU1467WBCPZ300RL, the ADAU1463WBCPZ300RL trades memory capacity for lower power consumption (213–495 mA vs. 330–940 mA) and reduced BOM cost, while retaining identical pinout, ASRC count, and automotive qualification-making it optimal for mid-tier head units and compact amplifiers.
Availability
ADAU1463WBCPZ300RL is available at Aetrix Electronics and suitable for automotive infotainment, distributed amplifier modules, and commercial audio processing requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for ADAU1463WBCPZ300RL 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 digital signal processing technologies for precision, power, and connectivity applications.
The ADAU1463WBCPZ300RL belongs to the SigmaDSP® automotive audio processor family, designed specifically to replace legacy audio SoCs in head units and amplifier modules with scalable, software-configurable DSP functionality and robust multirate I/O.
FAQ
What is the maximum sample rate supported by ADAU1463WBCPZ300RL for TDM and S/PDIF interfaces?
The ADAU1463WBCPZ300RL supports digital audio I/O up to 192 kHz on both its 48-channel TDM serial ports and stereo S/PDIF transmitter/receiver. This is confirmed in the Electrical Characteristics section (Table 10) and Functional Block Diagram, where S/PDIF operates at 18–192 kHz and TDM supports "up to a sample rate of 192 kHz" with flexible configuration for I²S, left/right-justified, and PCM formats.
Does ADAU1463WBCPZ300RL include an on-chip voltage regulator, and what does it supply?
Yes, ADAU1463WBCPZ300RL integrates an on-chip regulator that generates the 1.2 V DVDD supply for the DSP core, ASRCs, and signal routing logic from a 3.3 V input. As specified in the REGULATOR section (Page 5), it maintains 1.14–1.26 V output up to 800 mA load, eliminating the need for an external core LDO and reducing system power design complexity.
How many asynchronous sample rate converters (ASRCs) does ADAU1463WBCPZ300RL have, and what is their dynamic range?
The ADAU1463WBCPZ300RL includes eight stereo (16-channel) asynchronous sample rate converters, each delivering 139 dB A-weighted dynamic range (20 Hz–20 kHz), as stated in the FEATURES list and verified in Table 2 (ASYNCHRONOUS SAMPLE RATE CONVERTERS section). These ASRCs enable seamless integration of asynchronous audio sources such as Bluetooth receivers, USB audio interfaces, and digital tuners.
Is ADAU1463WBCPZ300RL pin-compatible with other SigmaDSP devices, and which ones?
Yes, ADAU1463WBCPZ300RL is pin- and register-compatible with the ADAU1467, ADAU1450, ADAU1451, and ADAU1452 SigmaDSP processors, as explicitly stated in the GENERAL DESCRIPTION (Page 4). This compatibility allows hardware reuse across product tiers-e.g., upgrading from ADAU1463WBCPZ300RL to ADAU1467WBCPZ300RL requires only firmware and memory updates, not PCB redesign.
What development tools are supported for programming ADAU1463WBCPZ300RL, and is offline operation possible?
ADAU1463WBCPZ300RL is programmed exclusively using Analog Devices' SigmaStudio® graphical development environment, which compiles signal flows into native DSP code. The device supports standalone operation via self-boot from external SPI EEPROM-enabling deployment in systems without a host microcontroller, as documented in the SELF BOOT section (Page 45) and functional block diagram.
ADAU1463WBCPZ300RL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SigmaDSP®
- Package/Case:
- 88-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Sigma
- Interface:
- I2C, SPI
- Clock Rate:
- 294.912MHz
- Non-Volatile Memory:
- ROM (64kB)
- On-Chip RAM:
- 192kB
- 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 (12x12)
ADAU1463WBCPZ300RL FAQ
1.How can I place an order for ADAU1463WBCPZ300RL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADAU1463WBCPZ300RL 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 ADAU1463WBCPZ300RL reliable?
The price and inventory of ADAU1463WBCPZ300RL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADAU1463WBCPZ300RL is usually 5 days.
3.What payment methods are accepted for ADAU1463WBCPZ300RL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADAU1463WBCPZ300RL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADAU1463WBCPZ300RL?
ADAU1463WBCPZ300RL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADAU1463WBCPZ300RL 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 ADAU1463WBCPZ300RL?
For technical support, including ADAU1463WBCPZ300RL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADAU1463WBCPZ300RL requirements.
6.How does Aetrix verify that ADAU1463WBCPZ300RL is sourced from the original manufacturer or authorized distributors?
All ADAU1463WBCPZ300RL 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 ADAU1463WBCPZ300RL meets industry standards.
7.What is the process for return or replacement of ADAU1463WBCPZ300RL?
All ADAU1463WBCPZ300RL units undergo pre-shipment inspection (PSI). If there is an issue with ADAU1463WBCPZ300RL, 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 ADAU1463WBCPZ300RL part is unused and in its original packaging.
Return procedure for ADAU1463WBCPZ300RL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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