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Analog Devices Inc. ADSP-21469KBCZ-3
- Part No.:
- ADSP-21469KBCZ-3
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 324-BGA, CSPBGA
- Datasheet:
-
ADSP-21469KBCZ-3.pdf
- Description:
- IC DSP 32/40BIT 400MHZ 324BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,486
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Product details
Overview
ADSP-21469KBCZ-3 from Analog Devices is a 32-bit/40-bit floating-point SHARC® DSP optimized for high-performance audio processing, operating at up to 450 MHz with 5 Mbits of on-chip SRAM and 4 Mbits of mask-programmable ROM. It integrates dual SIMD computational units (PEX/PEY), eight serial ports, S/PDIF transceiver, four asynchronous sample rate converters, and DDR2 memory interface - deployed in automotive infotainment head units and professional audio mixing consoles.
For engineers reviewing the ADSP-21469KBCZ-3 datasheet, ADSP-21469KBCZ-3 pinout, ADSP-21469KBCZ-3 application, or ADSP-21469KBCZ-3 equivalent, key selection criteria include its 324-ball CSP_BGA package, SIMD-enabled 2.7 GFLOPS performance at 450 MHz, audiocentric peripheral set (PCG, ASRC, DAI/DPI), and automotive qualification per AEC-Q100.
Technical Context
The ADSP-21469KBCZ-3 implements a dual-core SIMD architecture with two parallel processing elements (PEX and PEY), each containing ALU, multiplier, shifter, and 40-bit register file - enabling simultaneous execution of identical instructions on independent data streams. Its core clock domain runs at up to 450 MHz and supports single-cycle fetch of one instruction plus four operands via separate PM/DM buses and instruction cache.
The peripheral domain includes dedicated IOD0/IOD1 DMA buses, DDR2 controller (16-bit, up to 2 Gbit), AMI interface, eight SPORTs, four PWM generators, S/PDIF TX/RX, and flexible signal routing units (DAI SRU/DPI SRU). It lacks DTCP hardware acceleration and ROM-based audio decoders - distinguishing it from the ADSP-21467 variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual-processing-element SIMD engine (PEX + PEY) with IEEE 32-/40-bit floating-point support |
| Max Operating Frequency | 450 MHz - enables 2.7 GFLOPS peak compute for real-time FIR/IIR filtering and FFT |
| On-Chip Memory | 5 Mbits SRAM (configurable as 160k × 32-bit data or 106.7k × 48-bit instructions) + 4 Mbits ROM |
| DDR2 Interface | 16-bit bus, up to 2 Gbit capacity, supports SIMD access to complementary PEy registers |
| Audio Peripherals | S/PDIF transceiver, 4× ASRC (–128 dB performance), 4× PCG, 8× SPORT, DAI/DPI routing units |
| Package | 324-ball CSP_BGA (0.5 mm pitch) - automotive-grade thermal and mechanical reliability |
| Qualification | AEC-Q100 qualified for automotive applications - validated for extended temperature and vibration stress |
Pinout & Package
The ADSP-21469KBCZ-3 uses a 324-ball CSP_BGA package with 0.5 mm ball pitch, designed for high-density PCB layouts and automotive thermal cycling compliance. Ball assignments follow the standard CSP_BGA layout defined in Analog Devices' Rev. B datasheet (Pages 70–71).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.1 V ±3% supply for 450 MHz operation; requires low-noise regulation and local decoupling |
| VDD_IO | I/O power supply | 3.3 V supply for DDR2, SPORT, S/PDIF, and peripheral interfaces |
| CLKIN | External reference clock input | Accepts 1–50 MHz crystal or oscillator; feeds PLL for internal 450 MHz core clock generation |
| RESET | Active-low reset input | Synchronizes core, peripherals, and memory initialization; requires 100 ns minimum pulse width |
| BOOTCFG[2:0] | Boot configuration pins | Three-pin strap determines boot source (ROM, external memory, or JTAG); defines IVT location and security mode |
| DAI_PINx | Digital Applications Interface pin | Configurable as S/PDIF TX/RX, PCG output, ASRC input, or IDP data lane - routed via DAI SRU |
| SPORT0_D0–D7 | Serial Port 0 data bus | 8-bit bidirectional data path supporting TDM, I²S, or custom framing at up to 100 Mbps |
| DDR2_DQ[15:0] | DDR2 data bus | 16-bit bidirectional data interface compliant with JEDEC DDR2-800 timing; supports burst lengths 4/8 |
Key Features
| Feature | Design Value |
|---|---|
| Dual SIMD Processing Elements | PEX always active; PEY enabled via MODE1.PEYEN - doubles throughput for FIR, FFT, and matrix operations without code rewrite |
| VISA Instruction Compression | Supports 16-/32-bit opcodes alongside legacy 48-bit - reduces external memory footprint by ~30% and improves cache hit rate |
| Flexible Audio Routing (DAI/DPI) | DAI SRU provides 20-pin signal routing for S/PDIF, PCG, ASRC, and IDP; DPI SRU handles UART, SPI, TWI, and timers |
| Asynchronous Sample Rate Conversion | Four independent ASRC blocks with –128 dB THD+N - enables seamless integration of multiple audio sources with differing sample rates |
| Automotive-Ready DDR2 Controller | 16-bit DDR2 interface with programmable timing, on-chip arbitration, and shared-bus support for multi-DSP systems |
Applications
| Automotive Infotainment Head Unit | Professional Digital Audio Mixer |
|---|---|
Use Scenario: Central audio processor in vehicle head unit handling navigation voice prompts, Bluetooth streaming, AM/FM radio, and multi-zone cabin audio. IC Role / Device Role / Timing Role: Primary SHARC DSP executing Dolby/DTS decode (via external host), real-time equalization, dynamic range control, and speaker protection algorithms. Use Value: On-chip 4 Mbits ROM stores boot firmware and critical audio tables; 5 Mbits SRAM buffers multiple concurrent audio streams with zero-latency routing via DAI SRU. | Use Scenario: Core processing engine in 32-channel live sound mixer supporting effects processing, channel strip EQ, dynamics, and monitor send routing. IC Role / Device Role / Timing Role: Real-time audio signal processor running 1024-point FFTs, 256-tap FIR filters, and IIR biquads at 96 kHz sample rate with deterministic sub-10 µs latency. Use Value: Dual 450 MHz PEX/PEY units deliver 2.7 GFLOPS to sustain >100 simultaneous effects instances; eight SPORTs interface to ADC/DAC ASICs and FPGA I/O expanders. |
| High-End Home Theater Receiver | Medical Ultrasound Beamformer |
Use Scenario: Audio processing subsystem in AV receiver decoding Dolby Atmos and DTS:X object-based audio while performing room correction and bass management. IC Role / Device Role / Timing Role: Secondary DSP offloading computationally intensive ASRC, upmixing, and psychoacoustic post-processing from main ARM host. Use Value: Four integrated ASRC blocks eliminate external SRC ICs; S/PDIF transceiver and PCGs synchronize to HDMI audio clocks with <1 ppm jitter. | Use Scenario: Real-time beamforming and RF data preprocessing in portable ultrasound systems requiring low-power, high-precision digital signal conditioning. IC Role / Device Role / Timing Role: High-speed FIR filter bank and delay-and-sum beamformer executing on 40-bit extended-precision data paths to preserve SNR across 128-channel receive paths. Use Value: 40-bit floating-point arithmetic maintains >110 dB dynamic range over 100+ dB echo attenuation; on-chip RAM avoids external memory bottlenecks during burst-mode acquisition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DSP processing applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-21467KBCZ-3 | Includes factory-programmed ROM with Dolby/DTS decoders and math tables; same 450 MHz speed, 5 Mbits SRAM, 324-BGA package | Pre-integrated audio codec support eliminates need for external decode firmware; higher ROM utilization reduces external flash requirements | Select when deploying turnkey audio decoding without host CPU involvement |
| ADSP-21479KBCZ-3 | Higher core frequency (480 MHz), 6 Mbits SRAM, adds Ethernet MAC and USB 2.0 PHY; same pinout and software compatibility | Enables networked audio distribution and host-controlled firmware updates; larger SRAM accommodates deeper algorithm pipelines | Select when system requires connectivity or >5 Mbits on-chip memory for multi-algorithm concurrency |
Compared with ADSP-21467KBCZ-3, the ADSP-21469KBCZ-3 trades ROM-based audio decoders for lower cost and flexibility in firmware deployment; compared with ADSP-21479KBCZ-3, it offers proven automotive qualification at lower power and cost, but lacks Ethernet/USB and extra memory bandwidth.
Availability
ADSP-21469KBCZ-3 is available at Aetrix Electronics and suitable for automotive infotainment, professional audio equipment, and medical imaging systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant performance.
Supply support for ADSP-21469KBCZ-3 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 company 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 the ADSP-21469KBCZ-3 - was engineered specifically for computationally intensive, low-latency audio and sensor signal processing applications demanding deterministic real-time performance and rich peripheral integration.
FAQ
What is the maximum operating frequency of the ADSP-21469KBCZ-3?
The ADSP-21469KBCZ-3 operates at a maximum frequency of 450 MHz, delivering 2.7 GFLOPS peak performance in SIMD mode. This frequency is sustained under specified thermal conditions using the recommended 1.1 V core supply and proper PCB thermal design. The ADSP-21469KBCZ-3 achieves this speed with full functionality across all on-chip peripherals, including DDR2, S/PDIF, and ASRC blocks.
Does the ADSP-21469KBCZ-3 include built-in audio decoders like Dolby or DTS?
No, the ADSP-21469KBCZ-3 does not include factory-programmed audio decoders in its 4 Mbits ROM. Unlike the ADSP-21467KBCZ-3, which contains Dolby AC-3, DTS Neo:6, and other codecs, the ADSP-21469KBCZ-3 ROM is unprogrammed for decoder functions - enabling customer-specific firmware loading and greater flexibility in audio stack implementation.
What package type and ball count does the ADSP-21469KBCZ-3 use?
The ADSP-21469KBCZ-3 uses a 324-ball CSP_BGA package with 0.5 mm ball pitch, conforming to Analog Devices' standard automotive-layout footprint. This package supports AEC-Q100 qualification, provides thermal performance suitable for 450 MHz operation, and is pin-compatible with other ADSP-2146x variants including ADSP-21467KBCZ-3 and ADSP-21479KBCZ-3.
Can the ADSP-21469KBCZ-3 execute code directly from DDR2 memory?
Yes, the ADSP-21469KBCZ-3 supports code execution from DDR2 memory in Bank 0 only, using either ISA (4 Mword space) or VISA (10 Mword space) instruction formats. VISA compression reduces memory bandwidth demand by up to 30%, and the DDR2 controller ensures deterministic fetch timing for real-time audio algorithms - though on-chip ROM/SRAM remains preferred for lowest-latency interrupt handling.
Is the ADSP-21469KBCZ-3 qualified for automotive applications?
Yes, the ADSP-21469KBCZ-3 is explicitly qualified for automotive applications per AEC-Q100 Grade 2 (–40°C to +105°C ambient), with validation covering thermal cycling, vibration, and ESD robustness. Its CSP_BGA package, DDR2 interface, and integrated ASRC/PCG peripherals are designed to meet stringent automotive infotainment and ADAS subsystem requirements.
ADSP-21469KBCZ-3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 324-BGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Floating Point
- Interface:
- DAI, DPI, EBI/EMI, I2C, SCI, SPI, SSP, UART/USART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 5Mbit
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.05V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 324-CSPBGA (19x19)
ADSP-21469KBCZ-3 FAQ
1.How can I place an order for ADSP-21469KBCZ-3 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21469KBCZ-3 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-21469KBCZ-3 reliable?
The price and inventory of ADSP-21469KBCZ-3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21469KBCZ-3 is usually 5 days.
3.What payment methods are accepted for ADSP-21469KBCZ-3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21469KBCZ-3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21469KBCZ-3?
ADSP-21469KBCZ-3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21469KBCZ-3 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-21469KBCZ-3?
For technical support, including ADSP-21469KBCZ-3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21469KBCZ-3 requirements.
6.How does Aetrix verify that ADSP-21469KBCZ-3 is sourced from the original manufacturer or authorized distributors?
All ADSP-21469KBCZ-3 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-21469KBCZ-3 meets industry standards.
7.What is the process for return or replacement of ADSP-21469KBCZ-3?
All ADSP-21469KBCZ-3 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21469KBCZ-3, 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-21469KBCZ-3 part is unused and in its original packaging.
Return procedure for ADSP-21469KBCZ-3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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