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Analog Devices Inc. ADSP-21369BBP-2A
- Part No.:
- ADSP-21369BBP-2A
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 256-LBGA Exposed Pad
- Datasheet:
-
ADSP-21369BBP-2A.pdf
- Description:
- IC DSP 32BIT 333MHZ 256-BGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,491
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Product details
Overview
ADSP-21369BBP-2A from Analog Devices is a 400 MHz, 32-bit/40-bit floating-point SHARC® DSP optimized for high-fidelity automotive and professional audio systems. It integrates 2 Mbits of on-chip SRAM, 6 Mbits of mask-programmable ROM, dual SIMD computational units (PEx/PEy), and audiocentric peripherals including S/PDIF transceiver, 4-channel asynchronous sample rate converter (ASRC), and 8 serial ports - enabling real-time multi-channel audio processing in head units and digital signal processors.
For engineers reviewing the ADSP-21369BBP-2A datasheet, ADSP-21369BBP-2A pinout, ADSP-21369BBP-2A application, or ADSP-21369BBP-2A equivalent, key selection criteria include core instruction rate (400 MHz), SIMD computational throughput (2.4 GFLOPS), on-chip memory configuration (2M-bit SRAM + 6M-bit ROM), S/PDIF compliance, ASRC performance (128 dB SNR), and BGA_ED package compatibility with thermal and routing constraints for audio subsystems.
Technical Context
The ADSP-21369BBP-2A implements a dual-processing-element SIMD core with independent ALU/multiplier/shifter units per PE, supporting IEEE 32-bit single-precision and 40-bit extended-precision floating-point arithmetic in a single cycle. Its enhanced Harvard architecture enables simultaneous fetch of one instruction and four operands via separate PM/DM buses and an instruction cache.
Peripherals are partitioned into two clock domains: the core domain (400 MHz) hosts PEx/PEy, DAG1/DAG2, and on-chip memory; the I/O processor domain (PCLK) manages DAI (S/PDIF, 4× ASRC, 8× SPORT), DPI (2× UART, 2× SPI, TWI), PWM (16 outputs), and external port (SDRAM/AMI controllers). Signal routing is software-configurable via DAI/DPI SRUs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 400 MHz - delivers 2.4 GFLOPS SIMD performance for real-time FIR/IIR filtering and FFT execution (e.g., 1024-point complex FFT in 23.2 µs). |
| On-Chip Memory | 2 Mbits SRAM + 6 Mbits mask-ROM - supports up to 64k words × 32-bit data or mixed code/data configurations with single-cycle access by core and I/O processor. |
| S/PDIF Interface | Integrated transceiver compliant with IEC-60958 - handles biphase-encoded serial audio input/output without external PHY, reducing BOM count in digital audio receivers. |
| ASRC Channels | 4 independent asynchronous sample rate converters - enable seamless mixing of audio streams at different sampling rates (e.g., 44.1 kHz + 48 kHz sources) with 128 dB dynamic range. |
| Serial Ports | 8 SPORTs - support up to 32 I2S channels or 8 TDM streams (128 channels/frame) at ≤50 Mbps, directly interfacing with AD183x codecs and multichannel DACs. |
| PWM Outputs | 16 outputs grouped in 4×4 sets - configurable as center-aligned or edge-aligned waveforms with double-update mode for low-harmonic motor/audio amplifier control. |
| External Memory Bus | 32-bit SDRAM/AMI interface - supports glueless connection to industry-standard SDRAM (up to 64M words/bank) and asynchronous memories (14–16M words/bank) with programmable timing. |
Pinout & Package
ADSP-21369BBP-2A is packaged in a 256-ball BGA_ED (ball pitch: 1.0 mm, body size: 17 mm × 17 mm) with thermal pad exposed on underside for enhanced heat dissipation in audio processing modules. Pinout follows Analog Devices' standard SHARC BGA layout with dedicated banks for core buses (PM/DM), DAI/DPI signals, external port (SDRAM/AMI), JTAG, and power/ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.2 V ±3% supply for 400 MHz operation; requires low-noise decoupling near ball array to maintain signal integrity. |
| VDD_IO | I/O power supply | 3.3 V supply for DAI/DPI/external port interfaces; supports mixed-voltage signaling with level-shifting logic. |
| DAI_P0–P23 | Digital Applications Interface pins | Configurable I/O for S/PDIF, SPORT, PCG, IDP, and ASRC signals; routed via SRU for flexible peripheral interconnect. |
| EP_D0–D31 | External port data bus | 32-bit bidirectional data path for SDRAM/AMI access; supports burst transfers and interleaved addressing modes. |
| JTAG_TCK/TMS/TDI/TDO | JTAG test access port | IEEE 1149.1-compliant boundary scan and emulation interface; enables secure debug only after 64-bit key authentication. |
Key Features
| Feature | Design Value |
|---|---|
| ROM-based security | Prevents unauthorized code readout and external boot; requires customer-specific 64-bit JTAG key to enable emulation or debug access. |
| Dual DAG hardware | Enables zero-overhead circular buffer management for delay lines and filter taps across up to 32 buffers, eliminating CPU overhead in real-time audio algorithms. |
| Flexible instruction set | 48-bit instruction word supports parallel multiply-add-subtract in both PEx and PEy within one cycle, accelerating convolution and matrix operations. |
| DAI signal routing unit (SRU) | Software-configurable matrix allows dynamic assignment of S/PDIF, SPORT, PCG, and ASRC signals to physical pins - enabling custom audio I/O topologies without hardware changes. |
| SDRAM controller | Glueless interface supporting up to 4 banks (62–64M words each) with programmable timing, eliminating external logic for memory arbitration and refresh control. |
Applications
| Automotive Infotainment Head Unit | Professional Digital Audio Workstation |
|---|---|
Use Scenario: Real-time audio processing in vehicle head units with multi-source inputs (Bluetooth, USB, tuner, CAN-linked mic). IC Role / Device Role / Timing Role: Primary audio DSP executing active noise cancellation, equalization, speaker management, and S/PDIF output to amplifier modules. Use Value: 400 MHz SIMD core and 4× ASRC enable concurrent processing of 8+ audio streams at differing sample rates while maintaining <1 ms latency for voice prompt response. | Use Scenario: High-resolution audio mixing console with 64-channel I/O, effects processing, and sample-rate conversion between studio gear. IC Role / Device Role / Timing Role: Central SHARC processor handling FIR-based room correction, reverb algorithms, and 128 dB ASRC bridging AES/EBU, ADAT, and S/PDIF domains. Use Value: On-chip 2M-bit SRAM stores large impulse response buffers; 8× SPORTs directly connect to multichannel ADC/DAC ASICs without FPGA glue logic. |
| High-End Home Theater AV Receiver | Industrial Audio Analytics Edge Node |
Use Scenario: 11.2-channel surround sound decoding, object-based audio rendering (Dolby Atmos), and room calibration. IC Role / Device Role / Timing Role: Dedicated audio DSP offloading Dolby/DTS decoding, bass management, and real-time parametric EQ from main SoC. Use Value: Mask-ROM stores certified codec firmware; S/PDIF transceiver and 4× ASRC ensure bit-perfect passthrough and format conversion between legacy and modern sources. | Use Scenario: Acoustic monitoring system detecting mechanical faults in turbines or HVAC via spectral analysis of vibration signatures. IC Role / Device Role / Timing Role: Standalone DSP performing continuous 1024-point FFTs, envelope detection, and anomaly classification on analog sensor inputs. Use Value: 2.4 GFLOPS SIMD performance executes 20+ parallel FFT bins per frame; 16 PWM outputs drive piezoelectric actuators for active damping control. |
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 |
|---|---|---|---|
| ADSP-21367BBCZ-2A | Same SHARC core, but 333 MHz max frequency and 1.5 Mbits SRAM; lacks S/PDIF transceiver and 4× ASRC. | Targeted at cost-sensitive audio preamps or mid-tier car audio where full 400 MHz throughput and professional-grade sample rate conversion are not required. | Select when lower power consumption and reduced peripheral count align with system-level audio feature requirements. |
| ADSP-21369KCPZ-2A | Identical core and peripherals, but in 208-lead LQFP_EP package (vs. 256-ball BGA_ED); thermal performance limited to ≤350 MHz sustained operation. | Suitable for prototyping, low-volume industrial audio modules, or space-constrained designs where BGA assembly is impractical. | Choose for rapid evaluation or legacy PCB layouts requiring LQFP footprint; verify thermal derating for sustained 400 MHz operation. |
Compared with ADSP-21369BBP-2A, ADSP-21367BBCZ-2A trades peak compute and audio interface depth for lower cost and power, while ADSP-21369KCPZ-2A retains full functionality in a less thermally efficient package - making the BBP-2A optimal for production-grade, high-density, thermally managed audio systems demanding full 400 MHz SIMD throughput and integrated S/PDIF/ASRC.
Availability
ADSP-21369BBP-2A is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, and high-end home theater systems requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for ADSP-21369BBP-2A 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 signal chain applications.
The SHARC processor family, including ADSP-21369BBP-2A, was designed specifically for computationally intensive, low-latency audio and industrial signal processing - emphasizing floating-point accuracy, on-chip memory bandwidth, and hardware-accelerated peripherals like ASRC and S/PDIF.
FAQ
What is the maximum operating frequency of the ADSP-21369BBP-2A?
The ADSP-21369BBP-2A operates at a maximum core frequency of 400 MHz, achieving an instruction cycle time of 2.5 ns. This frequency is guaranteed under specified thermal and voltage conditions (VDD_CORE = 1.2 V ±3%, junction temperature ≤105°C), and enables 2.4 GFLOPS SIMD performance for real-time audio algorithm execution. The ADSP-21369BBP-2A datasheet specifies timing parameters and setup/hold margins validated at this speed grade.
Does the ADSP-21369BBP-2A support S/PDIF input and output simultaneously?
Yes, the ADSP-21369BBP-2A integrates a single S/PDIF transceiver that supports concurrent receive and transmit operations using shared biphase encoding/decoding logic. Input data can be sourced from external pins or routed via DAI SRU from SPORTs or ASRC outputs; output is driven directly to dedicated S/PDIF pins. The ADSP-21369BBP-2A does not require external transceivers for basic IEC-60958 compliance.
How many independent asynchronous sample rate converters (ASRC) does the ADSP-21369BBP-2A include?
The ADSP-21369BBP-2A includes four independent asynchronous sample rate converters (ASRC), each capable of converting between arbitrary input and output sampling frequencies with 128 dB dynamic range. These ASRC units operate in the DAI domain and are fully software-configurable via dedicated control registers - a capability confirmed in the ADSP-21369 Rev. H datasheet Table 2 and Section "Digital Applications Interface (DAI)".
What package type is used for the ADSP-21369BBP-2A?
The ADSP-21369BBP-2A uses a 256-ball BGA_ED package (ball pitch: 1.0 mm, body size: 17 mm × 17 mm) with an exposed thermal pad. This package is distinct from the LQFP_EP variant (ADSP-21369KCPZ-2A) and is optimized for high-density, thermally demanding audio processing modules. Pinout and mechanical dimensions are documented in the ADSP-21369 Rev. H datasheet pages 53–55.
Is the ADSP-21369BBP-2A pin-compatible with other SHARC processors like the ADSP-21367?
No, the ADSP-21369BBP-2A is not pin-compatible with ADSP-21367 or earlier SHARC devices. While code-compatible at the assembly level, it uses a 256-ball BGA_ED footprint unique to the ADSP-21369 family - differing in ball count, arrangement, and power/ground distribution from the 144-ball LQFP of ADSP-21367. Migration requires PCB redesign; the ADSP-21369BBP-2A datasheet confirms no pin-to-pin mapping exists with prior generations.
ADSP-21369BBP-2A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 256-LBGA Exposed Pad
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Floating Point
- Interface:
- DAI, DPI
- Clock Rate:
- 333MHz
- Non-Volatile Memory:
- ROM (768kB)
- On-Chip RAM:
- 256kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.20V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 256-BGA-ED (27x27)
ADSP-21369BBP-2A FAQ
1.How can I place an order for ADSP-21369BBP-2A through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21369BBP-2A 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 ADSP-21369BBP-2A reliable?
The price and inventory of ADSP-21369BBP-2A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21369BBP-2A is usually 5 days.
3.What payment methods are accepted for ADSP-21369BBP-2A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21369BBP-2A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21369BBP-2A?
ADSP-21369BBP-2A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21369BBP-2A 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 ADSP-21369BBP-2A?
For technical support, including ADSP-21369BBP-2A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21369BBP-2A requirements.
6.How does Aetrix verify that ADSP-21369BBP-2A is sourced from the original manufacturer or authorized distributors?
All ADSP-21369BBP-2A 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 ADSP-21369BBP-2A meets industry standards.
7.What is the process for return or replacement of ADSP-21369BBP-2A?
All ADSP-21369BBP-2A units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21369BBP-2A, 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 ADSP-21369BBP-2A part is unused and in its original packaging.
Return procedure for ADSP-21369BBP-2A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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