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Analog Devices Inc. ADSP-21369BBPZ-2A
- Part No.:
- ADSP-21369BBPZ-2A
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 256-LBGA Exposed Pad
- Datasheet:
-
ADSP-21369BBPZ-2A.pdf
- Description:
- IC DSP 32BIT 333MHZ 256-BGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADSP-21369BBPZ-2A from Analog Devices is a 400 MHz, 32-bit/40-bit floating-point SHARC® DSP optimized for high-fidelity automotive and professional audio processing. 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 16 PWM outputs - enabling real-time multi-channel audio effects, active noise cancellation, and digital amplifier control in compact embedded systems.
For engineers reviewing the ADSP-21369BBPZ-2A datasheet, ADSP-21369BBPZ-2A pinout, ADSP-21369BBPZ-2A application, or ADSP-21369BBPZ-2A equivalent, key selection criteria include its 256-ball BGA_ED package, JTAG-secured ROM boot mode, 400 MHz core instruction rate, and DAI/DPI peripheral routing flexibility for custom audio I/O topologies.
Technical Context
The ADSP-21369BBPZ-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 64-bit PM/DM buses and on-chip instruction cache.
Peripherals operate in a dedicated I/O processor domain clocked separately from the core: the Digital Applications Interface (DAI) provides software-configurable signal routing among 8 serial ports, S/PDIF Tx/Rx, 4 PCGs, and IDP; the Digital Peripheral Interface (DPI) includes 2 UARTs, 2 SPIs, TWI, and 3 timers - all interconnected via flexible SRUs without fixed hardware paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 400 MHz - delivers 2.4 GFLOPS peak 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 zero-wait-state code/data execution and secure boot from protected ROM with 64-bit JTAG key authentication. |
| Digital Audio Peripherals | S/PDIF transceiver + 4-channel ASRC (128 dB SNR) - enables seamless interconnection between consumer/professional digital audio sources with sample rate translation. |
| Serial Interfaces | 8 SPORTs (50 Mbps max) + 2 UARTs + 2 SPIs + TWI - allows concurrent connection to multiple codecs (e.g., AD183x), ADCs, DACs, and control ICs without external glue logic. |
| PWM Outputs | 16 outputs grouped into 4 × 4-channel banks - supports center-aligned or edge-aligned modulation for Class-D amplifier gate driving or motor control with double-update mode reducing harmonic distortion. |
| External Memory Interface | 32-bit SDRAM controller (664 MB/s) + AMI (221 MB/s) - enables direct attachment of up to 256 MB external memory across 4 banks, with glueless support for industry-standard SDRAM and parallel flash/SRAM. |
| Package | 256-ball BGA_ED (17 mm × 17 mm, 1.0 mm pitch) - matches thermal and routing requirements for high-density audio processing modules with controlled impedance PCB layout. |
Pinout & Package
ADSP-21369BBPZ-2A is housed in a 256-ball BGA_ED package (17 mm × 17 mm, 1.0 mm ball pitch) with exposed thermal pad. Pin assignments follow the functional grouping defined in Analog Devices' Rev. H datasheet (Pages 53–55), supporting core clocking, JTAG debug, DAI/DPI signal routing, external memory interface, and power delivery across VDDINT/VDDIO domains.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDINT_0–VDDINT_7 | Core power supply (1.2 V) | Eight dedicated 1.2 V inputs decoupled individually to sustain 400 MHz operation with low-noise analog/RF coexistence. |
| VDDIO_0–VDDIO_5 | I/O power supply (3.3 V) | Six 3.3 V inputs powering DAI/DPI pins, external port, and SDRAM interface - configurable for mixed-voltage I/O interfacing. |
| CLKIN | Core clock input | Accepts 1–50 MHz crystal or LVDS clock source; internal PLL generates 400 MHz core clock with programmable multiplier/divider ratios. |
| TCK/TMS/TDO/TDI/nTRST | JTAG test access port | Enables boundary scan, emulation, and secure ROM access only after valid 64-bit key scan - prevents unauthorized firmware extraction. |
| DAI_P00–DAI_P23 | Digital Applications Interface pins | 24 configurable I/Os routed via SRU to S/PDIF, SPORTs, PCGs, or ASRC - eliminates fixed-function pin constraints in audio system design. |
| SDRAM_A0–A12 / SDRAM_DQ0–DQ31 | SDRAM address/data bus | 32-bit data + 13-bit address interface supporting up to 256 MB SDRAM with programmable timing for industrial-grade memory devices. |
Key Features
| Feature | Design Value |
|---|---|
| Dual SIMD Processing Elements (PEx/PEy) | Enables parallel execution of identical instructions on independent data streams - doubling throughput for vectorized audio algorithms like convolution reverb or beamforming. |
| ROM-Based Security with 64-bit JTAG Key | Prevents external boot and unauthorized memory readout - ensures IP protection for proprietary audio processing firmware deployed in automotive ECUs. |
| Digital Applications Interface (DAI) with SRU | Software-defined routing matrix connects peripherals (S/PDIF, SPORTs, PCGs) to any DAI pin - eliminates hardware redesign when changing audio topology or adding new codecs. |
| Asynchronous Sample Rate Converter (ASRC) | Four independent channels with 128 dB SNR - synchronizes audio streams from disparate sources (e.g., Bluetooth A2DP + USB audio + analog ADC) without audible artifacts. |
| Flexible PWM Module (16 outputs) | Supports center-aligned, edge-aligned, and complementary output modes with double-update capability - enables precise Class-D amplifier control and reduced EMI in automotive infotainment amplifiers. |
Applications
| Automotive Active Noise Cancellation | Professional Digital Mixing Console |
|---|---|
Use Scenario: Real-time analysis and synthesis of cabin noise using microphone arrays and reference engine signals to generate anti-noise waveforms. IC Role / Device Role / Timing Role: ADSP-21369BBPZ-2A serves as the primary audio DSP executing adaptive LMS filters, FFT-based spectral analysis, and multi-channel ASRC for sensor synchronization. Use Value: 400 MHz SIMD core processes 16-channel ANC in <50 µs latency; on-chip SRAM stores filter coefficients and delay lines without external memory bottlenecks. | Use Scenario: Low-latency mixing, dynamics processing, and effects rendering across 64+ input channels in live sound reinforcement systems. IC Role / Device Role / Timing Role: ADSP-21369BBPZ-2A acts as the central audio processing engine handling TDM stream demultiplexing, parametric EQ, and stereo bus compression with deterministic sub-sample jitter. Use Value: Eight SPORTs accept 128-channel TDM frames at 48 kHz; DAI SRU routes S/PDIF inputs directly to ASRC for seamless integration of digital stageboxes. |
| High-End Home Theater AV Receiver | Industrial Audio Analytics Platform |
Use Scenario: Decoding Dolby Atmos and DTS:X object-based audio while applying room correction, bass management, and speaker time-alignment. IC Role / Device Role / Timing Role: ADSP-21369BBPZ-2A functions as the main audio post-processor, managing 11.2-channel output via S/PDIF and HDMI audio return channel (ARC) with ASRC compensation. Use Value: 6 Mbits ROM stores certified codec libraries; 16 PWM outputs drive precision DC-DC converters for dynamic speaker bias control. | Use Scenario: Continuous acoustic monitoring of rotating machinery for predictive maintenance using spectral anomaly detection and bearing fault classification. IC Role / Device Role / Timing Role: ADSP-21369BBPZ-2A performs real-time FFT, cepstral analysis, and neural network inference on 8-channel vibration sensor data streamed via SPORTs. Use Value: Dual 64-bit data buses sustain 2×64-bit transfers per cycle - enabling 24-bit/96 kHz acquisition on all 8 channels with no DMA overhead or CPU intervention. |
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-21364BBCZ-2A | 333 MHz core, 1.5 Mbits SRAM, no S/PDIF, 2-channel ASRC, 256-ball BGA_ED | Lacks integrated S/PDIF and reduced ASRC count - requires external transceiver for digital audio I/O. | Select when cost-sensitive designs tolerate lower clock speed and can add discrete S/PDIF interface. |
| ADSP-21369KBPZ-2A | Same core/peripherals but in 208-lead LQFP_EP package (28 mm × 28 mm), higher thermal resistance | Lower pin density and larger footprint - suited for prototyping or space-tolerant industrial audio gear. | Select when BGA assembly is unavailable or thermal management favors exposed-pad LQFP over BGA. |
Compared with ADSP-21369BBPZ-2A, the ADSP-21364BBCZ-2A trades 16.7% lower compute throughput and missing S/PDIF for reduced power and cost, while the ADSP-21369KBPZ-2A retains full feature parity but shifts packaging trade-offs toward manual assembly and thermal derating.
Availability
ADSP-21369BBPZ-2A is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, and industrial acoustic analytics requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for ADSP-21369BBPZ-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 instrumentation, industrial automation, and communications infrastructure.
The SHARC® processor family - including ADSP-21369BBPZ-2A - was designed specifically for computationally intensive, low-latency audio signal processing in automotive, studio, and broadcast environments where floating-point precision and peripheral integration are critical.
FAQ
What is the maximum operating frequency of the ADSP-21369BBPZ-2A?
The ADSP-21369BBPZ-2A operates at a guaranteed maximum core instruction rate of 400 MHz, achieving 2.4 GFLOPS peak performance. This frequency is supported across the full industrial temperature range (−40°C to +85°C) with proper power sequencing and thermal management per the Rev. H datasheet specifications.
Does the ADSP-21369BBPZ-2A support secure boot from internal ROM?
Yes, the ADSP-21369BBPZ-2A supports ROM-based security with mandatory 64-bit JTAG key authentication. When enabled, the device boots exclusively from internal mask-programmable ROM and blocks external code loading and unauthorized memory reads - a key requirement for automotive and medical audio applications.
How many serial audio interfaces does the ADSP-21369BBPZ-2A provide?
The ADSP-21369BBPZ-2A integrates eight synchronous serial ports (SPORTs), each supporting up to 4 channels in I2S or left-justified mode, plus a dedicated S/PDIF transceiver and an 8-channel input data port (IDP). This enables concurrent connection to >32 audio channels across multiple codecs, ADCs, and digital sources without external multiplexers.
What package type is used for the ADSP-21369BBPZ-2A?
The ADSP-21369BBPZ-2A uses a 256-ball BGA_ED package (17 mm × 17 mm, 1.0 mm pitch) with exposed thermal pad. This package is optimized for high-density PCB layouts in audio processing modules and requires controlled-impedance routing and six-layer board stack-up per Analog Devices' AN-1183 design guidelines.
Can the ADSP-21369BBPZ-2A perform sample rate conversion between different audio sources?
Yes, the ADSP-21369BBPZ-2A includes four independent asynchronous sample rate converters (ASRC) with 128 dB SNR. These enable real-time, artifact-free conversion between unsynchronized audio streams - such as Bluetooth A2DP (44.1 kHz), USB audio (48 kHz), and analog ADC (96 kHz) - routed through the DAI SRU to any serial port or S/PDIF interface.
ADSP-21369BBPZ-2A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 256-LBGA Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- 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-21369BBPZ-2A FAQ
1.How can I place an order for ADSP-21369BBPZ-2A through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21369BBPZ-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-21369BBPZ-2A reliable?
The price and inventory of ADSP-21369BBPZ-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-21369BBPZ-2A is usually 5 days.
3.What payment methods are accepted for ADSP-21369BBPZ-2A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21369BBPZ-2A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21369BBPZ-2A?
ADSP-21369BBPZ-2A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21369BBPZ-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-21369BBPZ-2A?
For technical support, including ADSP-21369BBPZ-2A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21369BBPZ-2A requirements.
6.How does Aetrix verify that ADSP-21369BBPZ-2A is sourced from the original manufacturer or authorized distributors?
All ADSP-21369BBPZ-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-21369BBPZ-2A meets industry standards.
7.What is the process for return or replacement of ADSP-21369BBPZ-2A?
All ADSP-21369BBPZ-2A units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21369BBPZ-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-21369BBPZ-2A part is unused and in its original packaging.
Return procedure for ADSP-21369BBPZ-2A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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