ADSP-21469BBCZ-3 - 400MHz SHARC DSP | Analog Devices
MPN: ADSP-21469BBCZ-3 ✓ Active| Qty | Unit Price | Extended |
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| 1 | $22.83 | $22.83 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ADSP-21469BBCZ-3 Overview
A SHARC processor is a specialized digital signal processor built around the Super Harvard Architecture and single-instruction, multiple-data execution. In the broader hierarchy, it belongs to the DSP, embedded signal-processing, semiconductor, and real-time control-device categories. Its parallel architecture allows multiple data elements to be processed under one instruction, which is useful for audio filtering, mixing, equalization, decoding, and other data-intensive operations.
The verified distributor information identifies the ADSP-21469BBCZ-3 as a floating-point DSP operating at 400 MHz with a 324-CSPBGA package. Analog Devices describes the ADSP-21469 family as delivering up to 450 MHz and 2700 MFLOPs, while the verified distributor listing for this specific orderable variant identifies 400 MHz. The family documentation also describes fourth-generation SHARC architecture, hardware filter accelerators, audio-focused peripherals, memory configurations, and compatibility with related processor families.
The part is identified as a production product by Analog Devices and is listed for order by DigiKey and Mouser. The verified distributor data does not provide a complete public pin-by-pin signal mapping, detailed electrical limits, memory-map values, or thermal design data in the supplied text, so those fields are explicitly marked as data needed rather than inferred. The ADSP-21469 family is supported by the manufacturer’s ADSP-21469 product page and family datasheet.
Typical application domains include professional audio equipment, automotive audio systems, surround-sound decoders, digital mixing consoles, loudspeaker management, and other real-time audio products. Its 32-bit/40-bit floating-point processing, 400 MHz clock, and 5 Mbit RAM make it suitable for algorithms that require predictable real-time throughput and substantial on-chip working memory.
The Analog Devices ADSP-21469 EZ-KIT Lite evaluation board provides a practical development environment for evaluating ADSP-2146x SHARC processors through a USB-based, PC-hosted tool set. System designers should use the family datasheet and evaluation hardware documentation for clocking, memory, peripheral, power, and pin-level implementation details.
This product page combines verified distributor specifications, manufacturer documentation links, application guidance, and replacement analysis. It distinguishes exact same-family orderable variants from general functional alternatives and does not claim unverified pin compatibility or unverified electrical equivalence.
Drop-in alternatives for ADSP-21469BBCZ-3 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →ADSP-21469BBCZ-3 Specifications
| Product Type | Fourth-generation SHARC floating-point digital signal processor |
| Clock Frequency | 400 MHz |
| Processor Architecture | 32-bit/40-bit floating-point SIMD SHARC |
| Maximum Advertised Family Performance | 450 MHz and 2700 MFLOPs |
| On-Chip RAM | 5 Mbit |
| Data Bus | 40 bit |
| Package | 324-CSPBGA, 19 mm x 19 mm |
| Package Type | CSPBGA |
| Pin Count | 324 pins |
| Surface-Mount Form | Surface-mount BGA |
| Core Architecture | Super Harvard Architecture |
| Execution Model | Single-instruction, multiple-data (SIMD) |
| Audio Features | Hardware-based filter accelerators and audio-focused peripherals |
| Application Focus | Professional and automotive audio processing |
| Memory Type | On-chip RAM; detailed organization unavailable |
| Development Tool | ADSP-21469 EZ-KIT Lite evaluation board |
| Lifecycle Status | Production |
ADSP-21469BBCZ-3 cspbga Pin Configuration Guide
Pin configuration for ADSP-21469BBCZ-3 (cspbga package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for ADSP-21469BBCZ-3.
Refer to the datasheet for full pin configuration.
Typical Applications
ADSP-21469BBCZ-3 is suitable for 6 applications: Professional Audio Processor, Automotive Audio System, Surround-Sound Decoder, Digital Mixing Console, Loudspeaker Management, Industrial Audio Control.
Professional Audio Processor
The ADSP-21469BBCZ-3 fits professional audio equipment that requires deterministic real-time filtering, mixing, equalization, and effect processing. Its verified 400 MHz clock and 32-bit/40-bit floating-point SIMD architecture provide computational throughput for parallel audio operations, while 5 Mbit of RAM supports working buffers and DSP algorithms. The processor can sit between digital audio interfaces and an output stage, reducing host-processor involvement and improving timing control. Because the verified data does not include peripheral details, interface selection must be checked against the family datasheet.
Recommended
Automotive Audio System
The ADSP-21469BBCZ-3 is suitable for automotive audio architectures because Analog Devices identifies the ADSP-21469 family for automotive audio applications. The 400 MHz SHARC processor can support real-time audio decoding, filtering, mixing, and routing where predictable throughput and local signal processing are important. Its 5 Mbit RAM can accommodate audio buffers and intermediate algorithm data. Automotive qualification, temperature limits, EMC requirements, and production lifecycle details must be verified separately because those values are not present in the supplied data.
Recommended
Surround-Sound Decoder
The ADSP-21469BBCZ-3 is a strong candidate for surround-sound decoding because the manufacturer describes the ADSP-21469 family as supporting modern surround-sound decoder algorithms. Its 32-bit/40-bit floating-point engine and 400 MHz verified clock can process multiple audio channels and complex transformations in parallel through SIMD execution. The 5 Mbit RAM provides a substantial local working store for channel data, coefficients, and intermediate results. Final channel count, sample-rate support, and accelerator utilization must be confirmed from the complete datasheet.
Recommended
Digital Mixing Console
A digital mixing console can use the ADSP-21469BBCZ-3 for per-channel filtering, gain control, dynamics, routing, and mix processing. The SIMD architecture is useful when many channels require similar real-time operations, while floating-point arithmetic helps preserve signal headroom and numerical flexibility. At 400 MHz, the processor is intended for demanding multi-channel audio workloads, and its 5 Mbit RAM can hold channel buffers and parameter data. Interface mapping, control update rates, and latency budgets should be designed against the verified peripheral and memory architecture.
Recommended
Loudspeaker Management
The ADSP-21469BBCZ-3 can support loudspeaker crossover, EQ, limiting, delay, and monitoring functions where multiple filters operate continuously. Hardware-based filter accelerators mentioned by Analog Devices may reduce the burden on the main processor for suitable filter workloads, while the 400 MHz core can coordinate system processing. The 5 Mbit RAM supports coefficient and signal-state storage. Designers should verify accelerator constraints, coefficient formats, latency behavior, and clocking details in the ADSP-21467/21469 family datasheet before selecting the processor.
Recommended
Industrial Audio Control
The ADSP-21469BBCZ-3 is applicable to industrial audio controllers, monitoring equipment, and embedded sound systems that require local real-time processing. The processor can execute filtering, analysis, and control functions without relying entirely on a host processor, while its SIMD architecture supports efficient data-parallel workloads. The 400 MHz clock provides a performance margin for multi-stage pipelines, and 5 Mbit RAM reduces pressure on external memory for selected working sets. Confirm industrial temperature range, electromagnetic compliance, and long-term availability before production release.
Recommended
Recommended Products Summary
Engineering reference data for ADSP-21469BBCZ-3 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADSP-21469BBCZ-2 | ADSP-21469BBCZ-1 | ADSP-21469KBCZ-3 | ADSP-21469KBCZ-4 |
|---|---|---|---|---|---|
| Product Type | Floating-point SHARC DSP | ADSP-21469 family DSP | ADSP-21469 family DSP | Functional-equivalent ADSP-21469-family alternate | Functional-equivalent ADSP-21469-family alternate |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
Key Differentiators
- Verified 400 MHz orderable configuration (vs ADSP-21469BBCZ-2)
- 5 Mbit on-chip RAM for real-time audio working storage (vs ADSP-21469KBCZ-3)
- Explicit 324-CSPBGA package identification (vs ADSP-21469KBCZ-4)
Design Notes
Use the manufacturer’s BGA land pattern and escape-routing guidance rather than constructing a 324-CSPBGA footprint from generic BGA assumptions. The verified package is 19 mm by 19 mm and contains 324 pins, so pad pitch, ball diameter, solder-mask definition, and via-in-pad requirements must be taken from the package drawing. Confirm the exact ADSP-21469BBCZ-3 package variant and pin map before PCB release. Place decoupling and clock-routing structures according to the family datasheet and reference evaluation-board layout.
Do not infer the processor’s supply rails, sequencing, or power-consumption budget from the distributor description. The supplied data does not provide verified voltage ranges or current limits. Use the ADSP-21467/21469 family datasheet and the ADSP-21469 EZ-KIT Lite schematic as references, then validate rail startup, shutdown, noise, and load behavior on the final board. Stable supply rails are especially important because the device is a high-performance floating-point DSP operating at a verified 400 MHz.
The supplied data does not include junction temperature, thermal resistance, or package power limits, so no thermal calculation is provided. Estimate only after obtaining the manufacturer’s electrical and package limits. For a production design, use the actual BGA pad escape, PCB copper area, airflow, ambient temperature, and processor activity to assess thermal margin. Keep the processor’s operating temperature within the verified grade selected for the ordering code, and validate with thermal simulation and board-level measurements.
Treat clock and high-speed memory or external interface signals as constrained routes. The verified data identifies a 400 MHz DSP but does not provide trace-length, impedance, or timing specifications. Follow the family reference design for clock distribution, decoupling, return paths, and pin escapes. Avoid routing noisy switching or power-conversion nodes beneath sensitive clock and signal paths, and verify signal integrity with the actual stack-up, loaded-output conditions, and peripheral configuration.
A family relationship or functional-equivalent listing does not prove drop-in interchangeability. Check the exact package suffix, pinout, speed grade, temperature range, memory organization, supply requirements, qualification markings, and software assumptions before substituting ADSP-21469BBCZ-2, ADSP-21469BBCZ-1, ADSP-21469KBCZ-3, or ADSP-21469KBCZ-4. The supplied cross-reference data does not provide complete verified electrical tables for those alternatives.
Compliance Information
The supplied Abacus Technologies search result lists EU RoHS compliant, REACH compliant, and DRC Conflict Free Undeterminable. Lead-free status is identified in the verified cross-reference snippet. AEC-Q100, halogen-free status, and full conflict-minerals status are not established by the supplied data.
