My Inquiry
My Account
Analog Devices Inc. ADSP-21489KCPZ-4
- Part No.:
- ADSP-21489KCPZ-4
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 88-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADSP-21489KCPZ-4.pdf
- Description:
- ADSP-21489 IN 88-LD LFCSP PKG-40
- Quantity:
- Payment:
- Shipping:
Inventory:4,017
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADSP-21489KCPZ-4 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 on-chip SRAM and 4 Mbits mask-ROM. It integrates eight serial ports (SPORTs), S/PDIF transceiver, four asynchronous sample rate converters (ASRCs), digital applications interface (DAI), and precision clock generators (PCGs) - deployed in professional audio mixers, broadcast encoders, and automotive infotainment head units.
For engineers reviewing the ADSP-21489KCPZ-4 datasheet, ADSP-21489KCPZ-4 pinout, ADSP-21489KCPZ-4 application, or ADSP-21489KCPZ-4 equivalent, key selection criteria include SIMD computational throughput (2.7 GFLOPS @ 450 MHz), on-chip memory partitioning (four independent SRAM blocks), DAI routing flexibility, thermal diode integration, and AEC-Q100 qualification for automotive use cases.
Technical Context
The ADSP-21489KCPZ-4 implements a dual-processing-element (PEx/PEy) SIMD core with parallel ALU/multiplier/shifter units supporting IEEE 32-bit single-precision and 40-bit extended-precision floating-point arithmetic. Its enhanced Harvard architecture enables simultaneous fetch of one instruction and four operands per cycle via PM/DM buses and instruction cache.
Peripherals are split across two clock domains: the core domain hosts JTAG, timers, and memory controllers, while the I/O processor domain manages DAI, DPI, S/PDIF, ASRCs, PWM, SPI, TWI, UART, and external port interfaces - all routed through flexible signal routing units (DAI SRU/DPI SRU2) for configurable interconnect.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 450 MHz maximum - enables 2.7 GFLOPS peak performance for real-time FIR/IIR filtering and FFT computation. |
| On-Chip Memory | 5 Mbits SRAM + 4 Mbits ROM - configured as four independent blocks (B0–B3), each accessible in single-cycle via PM/DM buses. |
| Floating-Point Precision | 32-bit single-precision and 40-bit extended-precision - supports high-dynamic-range audio processing without overflow. |
| Serial Interfaces | 8 SPORTs, S/PDIF Tx/Rx, 4 ASRCs - allows concurrent multichannel digital audio I/O with independent sample rate handling. |
| Digital Applications Interface | DAI with PCG, IDP/PDAP, DAI SRU - provides hardware-configurable routing between peripherals and core, eliminating software overhead for signal path setup. |
| Automotive Qualification | AEC-Q100 Grade 3 (−40°C to +105°C) - validated for under-hood and infotainment applications requiring long-term reliability. |
| Thermal Monitoring | Integrated thermal diode - enables real-time junction temperature measurement without external sensors. |
Pinout & Package
ADSP-21489KCPZ-4 is housed in an 88-lead LFCSP_VQ (Lead Frame Chip Scale Package) with exposed thermal pad, measuring 12 mm × 12 mm × 0.8 mm. The package supports fine-pitch surface-mount assembly and efficient heat dissipation via bottom-side thermal pad soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| FLAG0–FLAG7 | General-purpose I/O / Interrupt flags | Configurable as input/output or interrupt request lines; FLAG3 serves as core timer expiration output. |
| CLKIN | External clock input | Accepts 1–50 MHz crystal or CMOS clock source; feeds PLL for internal core and peripheral clock generation. |
| RESET | Active-low reset input | Synchronizes internal state machines and initiates boot sequence from ROM or external memory. |
| TRST, TCK, TMS, TDI, TDO | JTAG boundary scan interface | Enables emulation, debug, and boundary-scan testing; supports IEEE 1149.1 compliance. |
| DAI_Px0–DAI_Px7 | DAI pin multiplexed signals | Programmable as S/PDIF, PCG outputs, ASRC I/O, or general-purpose DAI routing nodes via SRU configuration. |
| SPORT0_DT0–SPORT0_DR0 | Serial port 0 data transmit/receive | Dual 32-bit wide bidirectional lanes supporting I²S, left-justified, or custom frame formats at up to 100 Mbps. |
Key Features
| Feature | Design Value |
|---|---|
| Variable Instruction Set Architecture (VISA) | Supports 16-/32-/48-bit instructions - reduces code size by up to 30% vs. legacy ISA, lowering memory bandwidth demand and flash footprint. |
| Zero-overhead circular buffering | DAG1/DAG2 support 32 independent hardware-managed buffers - eliminates CPU cycles for pointer wraparound in delay-line and filter implementations. |
| FIR/IIR/FFT hardware acceleration | Dedicated execution units accelerate common DSP kernels - achieves 10.0 ns per 4×4 matrix multiply and 20.44 μs for 1024-point complex FFT at 450 MHz. |
| ROM-based security | 64-bit JTAG key authentication required to access internal ROM or enable emulation - prevents unauthorized firmware extraction or debugging. |
| Flexible signal routing unit (DAI SRU) | Configurable interconnect fabric routes signals between DAI peripherals (PCG, ASRC, S/PDIF) without core intervention - enables dynamic audio topology reconfiguration. |
Applications
| Professional Audio Mixer | Broadcast Audio Encoder |
|---|---|
Use Scenario: Real-time mixing of 64-channel AES/EBU and analog inputs with dynamics processing, EQ, and effects. IC Role / Device Role / Timing Role: Primary audio processing engine executing low-latency FIR filters, parametric EQ, and Dolby®/DTS® decoder algorithms from ROM. Use Value: 5 Mbits SRAM enables full channel count buffering; 450 MHz core delivers sub-100 μs round-trip latency for live monitoring paths. |
Use Scenario: Encoding multichannel PCM into Dolby E or MPEG-H for satellite and IP broadcast transmission. IC Role / Device Role / Timing Role: Host processor managing ASRC synchronization between incoming AES streams and encoder clock domains. Use Value: Four integrated ASRCs eliminate external resampling ICs; S/PDIF transceiver handles embedded metadata transport. |
| Automotive Infotainment Head Unit | Studio Monitor Controller |
Use Scenario: In-vehicle audio processing including ANC, cabin EQ, voice enhancement, and Bluetooth A2DP playback. IC Role / Device Role / Timing Role: AEC-Q100-qualified DSP running adaptive noise cancellation and multi-zone audio rendering. Use Value: Thermal diode enables closed-loop fan control; DAI SRU routes microphone array data directly to processing pipelines. |
Use Scenario: High-fidelity monitor controller with room correction, loudspeaker management, and analog/digital I/O switching. IC Role / Device Role / Timing Role: Precision timing engine synchronizing 8-channel analog-to-digital conversion with 192 kHz sample rates. Use Value: Eight SPORTs support simultaneous connection to ADC/DAC arrays; PCG outputs generate jitter-free master clocks. |
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-21487KCPZ-4 | Same 88-lead LFCSP package and 450 MHz speed, but only 2/3 Mbits RAM (configurable) and no ROM. | Lacks factory-programmed Dolby/DTS decoders and reduced SRAM limits multichannel buffer depth. | Select when ROM-based audio codecs are unnecessary and memory requirements fit within 3 Mbits. |
| ADSP-21489KCPZ-5 | Identical functionality and pinout, but rated for 500 MHz operation (higher VDD, tighter timing). | Requires higher-power supply and stricter PCB layout; not drop-in compatible due to voltage/timing constraints. | Choose only when 500 MHz deterministic performance is required and power/thermal design accommodates increased dissipation. |
Compared with ADSP-21487KCPZ-4, the ADSP-21489KCPZ-4 provides guaranteed 5 Mbits SRAM and factory-loaded audio decoders; compared with ADSP-21489KCPZ-5, it offers verified 450 MHz operation with relaxed power delivery and thermal margins for cost-sensitive designs.
Availability
ADSP-21489KCPZ-4 is available at Aetrix Electronics and suitable for professional audio equipment, broadcast infrastructure, and automotive infotainment systems requiring stable component supply, long lifecycle support, and AEC-Q100-compliant silicon.
Supply support for ADSP-21489KCPZ-4 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 leader in high-performance analog, mixed-signal, and DSP technology, headquartered in Wilmington, MA, serving industrial, automotive, communications, and consumer markets.
The ADSP-21489KCPZ-4 belongs to the SHARC® family - designed specifically for computationally intensive, low-latency audio signal processing with deterministic real-time behavior and hardware-accelerated peripherals.
FAQ
What is the maximum operating frequency of the ADSP-21489KCPZ-4?
The ADSP-21489KCPZ-4 is rated for a maximum core clock frequency of 450 MHz under specified thermal and voltage conditions. This enables 2.7 GFLOPS peak performance and deterministic execution of demanding audio algorithms such as 1024-point FFTs in 20.44 μs. Operation above this frequency is not guaranteed and may violate timing specifications.
Does the ADSP-21489KCPZ-4 include factory-programmed audio decoders?
Yes, the ADSP-21489KCPZ-4 includes 4 Mbits of mask-programmed ROM containing licensed Dolby® and DTS® multichannel audio decoding and post-processing algorithms. These decoders are pre-verified and execute directly from ROM, reducing external memory dependency and boot time for audio applications.
Which package type does the ADSP-21489KCPZ-4 use?
The ADSP-21489KCPZ-4 uses an 88-lead LFCSP_VQ (Lead Frame Chip Scale Package) with exposed thermal pad, measuring 12 mm × 12 mm × 0.8 mm. This package supports fine-pitch surface-mount assembly and requires thermal pad soldering to PCB for optimal heat dissipation.
Is the ADSP-21489KCPZ-4 qualified for automotive applications?
Yes, the ADSP-21489KCPZ-4 is AEC-Q100 qualified for Grade 3 operation (−40°C to +105°C ambient), making it suitable for automotive infotainment, active noise cancellation, and telematics systems where reliability under extended temperature and vibration conditions is critical.
How many serial ports does the ADSP-21489KCPZ-4 support?
The ADSP-21489KCPZ-4 supports eight fully independent serial ports (SPORT0–SPORT7), each configurable for I²S, left-justified, right-justified, or custom frame formats. Each SPORT operates at up to 100 Mbps and supports multichannel time-division multiplexing for scalable audio I/O expansion.
ADSP-21489KCPZ-4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 88-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Floating Point
- Interface:
- EBI/EMI, DAI, I2C, SPI, SPORT, UART/USART
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 5Mbit
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.10V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 88-LFCSP (12x12)
ADSP-21489KCPZ-4 FAQ
1.How can I place an order for ADSP-21489KCPZ-4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21489KCPZ-4 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-21489KCPZ-4 reliable?
The price and inventory of ADSP-21489KCPZ-4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21489KCPZ-4 is usually 5 days.
3.What payment methods are accepted for ADSP-21489KCPZ-4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21489KCPZ-4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21489KCPZ-4?
ADSP-21489KCPZ-4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21489KCPZ-4 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-21489KCPZ-4?
For technical support, including ADSP-21489KCPZ-4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21489KCPZ-4 requirements.
6.How does Aetrix verify that ADSP-21489KCPZ-4 is sourced from the original manufacturer or authorized distributors?
All ADSP-21489KCPZ-4 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-21489KCPZ-4 meets industry standards.
7.What is the process for return or replacement of ADSP-21489KCPZ-4?
All ADSP-21489KCPZ-4 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21489KCPZ-4, 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-21489KCPZ-4 part is unused and in its original packaging.
Return procedure for ADSP-21489KCPZ-4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADSP-21489KCPZ-4 Tags
-
TMS320C5535AZAY10
Texas Instruments
-
TMS320VC5501PGF300
Texas Instruments
-
ADSP-BF592KCPZ
Analog Devices Inc.
-
ADAU1463WBCPZ150
Analog Devices Inc.
-
TMS320VC5402PGE100
Texas Instruments
-
ADAU1701JSTZ-RL
Analog Devices Inc.
-
ADAU1701JSTZ
Analog Devices Inc.
-
TMS320VC5502PGF300
Texas Instruments
-
ADAU1462WBCPZ300RL
Analog Devices Inc.
-
ADAU1452KCPZRL
Analog Devices Inc.
-
ADAU1452WBCPZ-RL
Analog Devices Inc.
-
TMS320C6747DZKB3
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
