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Analog Devices Inc. ADSP-21262SBBCZ150
- Part No.:
- ADSP-21262SBBCZ150
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 136-LFBGA, CSPBGA
- Datasheet:
-
ADSP-21262SBBCZ150.pdf
- Description:
- IC DSP 32BIT 150MHZ 136CSBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
ADSP-21262SBBCZ150 from Analog Devices is a 150 MHz, 32-bit/40-bit floating-point SHARC DSP optimized for multichannel audio decoding and real-time signal processing. It integrates 2 Mbit dual-ported SRAM, 4 Mbit mask-programmable ROM containing Dolby Digital, DTS, and WMA-PRO decoders, six full-duplex serial ports, and a digital application interface (DAI) with two precision clock generators. It targets high-fidelity AV receivers and professional audio systems requiring deterministic low-latency processing.
For engineers reviewing the ADSP-21262SBBCZ150 datasheet, ADSP-21262SBBCZ150 pinout, ADSP-21262SBBCZ150 application, or ADSP-21262SBBCZ150 equivalent, key selection criteria include core instruction rate (150 MHz), ROM-based decoder support (DTS Neo:6, Dolby Pro Logic IIx), SIMD computational throughput (900 MFLOPS), and BGA-136 package compatibility with thermal and signal integrity constraints in audio subsystems.
Technical Context
The ADSP-21262SBBCZ150 implements a dual-processing-element SIMD architecture (PEX and PEY), each with independent ALU, multiplier, shifter, and 32-register file, enabling parallel execution of identical instructions on distinct data streams. Its enhanced Harvard architecture supports simultaneous fetch of one 48-bit instruction and four 32-bit operands per cycle via separate PM and DM buses.
It features a software-configurable on-chip PLL with selectable integer ratios (e.g., 16:1, 8:1 at boot; programmable numerator 1–64, divisor 2/4/8/16), dual-ported memory blocks permitting concurrent core and I/O processor access, and a signal routing unit (SRU) that dynamically interconnects DAI peripherals-including IDP, PCGs, timers, and flag I/O-under firmware control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Instruction Rate | 150 MHz (6.6 ns cycle time); determines maximum sustained algorithm throughput in real-time audio pipelines. |
| Floating-Point Performance | 900 MFLOPS (SIMD mode); enables concurrent execution of complex FIR/IIR filters and FFTs across stereo/multichannel paths. |
| On-Chip Memory | 2 Mbit dual-ported SRAM + 4 Mbit mask-ROM; supports zero-wait-state code/data access and preloaded surround-sound decoders (DTS Neo:6, Dolby Pro Logic IIx). |
| Serial Interfaces | 6 full-duplex SPORTs + SPI + DAI with 8 serial interfaces; provides native TDM/I2S connectivity to up to 24 audio channels without external glue logic. |
| Digital Application Interface | Includes 2 PCGs, IDP (7×I2S + 1×20-bit parallel), 3 timers, 6 flag I/O; allows flexible clock domain bridging and synchronized acquisition from ADCs/DACs. |
| Power Supply Requirements | VDDINT = 1.2 V, VDDEXT = 3.3 V, AVDD = 1.2 V (PLL-critical); mandates separate analog/digital power planes and local ferrite-filtered AVDD per layout guidelines. |
| JTAG Compliance | IEEE 1149.1 test access port; enables full-speed emulation, register inspection, and non-intrusive debug without affecting system timing. |
Pinout & Package
ADSP-21262SBBCZ150 is housed in a 136-ball fine-pitch ball grid array (BGA) package (package code: BC-136-1), measuring 12 mm × 12 mm with 0.8 mm ball pitch. The package supports thermal dissipation requirements for sustained 150 MHz operation in compact AV receiver designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | External reference clock input | Accepts 1–50 MHz crystal or oscillator; feeds on-chip PLL to generate internal 150 MHz core clock. |
| BOOT_CFG1–0 | Boot configuration pins | Determine boot source: parallel port EPROM, SPI master/slave, or internal ROM; set at power-up only. |
| FLAG0–5 | Programmable I/O flags | Support interrupt generation, PWM output, pulse capture, or general-purpose GPIO; routed via SRU to DAI peripherals. |
| DAI_P20–1 | Digital application interface pins | Configurable as I2S, left-justified, or 20-bit parallel inputs; each channel has dedicated DMA for zero-overhead audio streaming. |
| SPORT0–5 | Synchronous serial port I/O | Each SPORT provides Tx/Rx pairs with frame sync and clock; supports TDM up to 128-channel frames at 37.5 Mbps max data rate. |
| VDDINT / VDDEXT / AVDD | Power supply terminals | VDDINT (1.2 V) powers core logic; VDDEXT (3.3 V) drives I/O; AVDD (1.2 V) supplies PLL-requires local LC filtering per Figure 2. |
Key Features
| Feature | Design Value |
|---|---|
| ROM-Based Audio Decoders | Preprogrammed DTS Neo:6, Dolby Pro Logic IIx, MPEG2 AAC LC, and WMA-PRO V7.1 enable certified multichannel playback without external firmware loading. |
| SIMD Computational Architecture | Parallel PEX/PEY execution delivers 900 MFLOPS at 150 MHz-critical for real-time 7.1-channel post-processing with dynamic range compression and bass management. |
| Dual-Ported On-Chip Memory | 2 Mbit SRAM + 4 Mbit ROM accessible simultaneously by core and I/O processor; eliminates bus contention during concurrent audio decode and rendering. |
| Digital Application Interface (DAI) | Software-reconfigurable SRU routes IDP, PCGs, timers, and flags to any DAI pin-enables custom clock tree synthesis and adaptive sample-rate conversion. |
| Hardware Security Lock | 64-bit JTAG key authentication prevents unauthorized code readout or emulation; ensures IP protection for proprietary audio algorithms stored in ROM. |
Applications
| Home Theater AV Receiver | Professional Broadcast Audio Mixer |
|---|---|
Use Scenario: Real-time decoding and upmixing of Dolby Digital and DTS bitstreams into 7.1-channel analog outputs for cinema-grade playback. IC Role / Device Role / Timing Role: Primary audio processor executing ROM-resident decoders, applying room correction filters, and managing HDMI/SPDIF I/O synchronization. Use Value: Eliminates need for external decoder ICs and reduces BOM cost while guaranteeing certified compliance with Dolby/DTS licensing requirements. |
Use Scenario: Low-latency mixing, dynamics processing, and format conversion of 32-channel broadcast audio streams with sample-accurate routing. IC Role / Device Role / Timing Role: Core signal path processor handling 48 kHz/96 kHz multichannel I/O via SPORTs and DAI, with deterministic interrupt latency under 1 μs. Use Value: Enables sub-sample jitter performance and frame-synchronized processing across all channels-essential for EBU R128 loudness compliance. |
| Automotive Infotainment Head Unit | High-End Studio Monitor Controller |
Use Scenario: Concurrent decoding of Bluetooth A2DP, USB audio, and tuner sources into spatialized 5.1 output with parametric EQ and delay compensation. IC Role / Device Role / Timing Role: Central audio hub managing multiple asynchronous clock domains (BT, USB, FM) using DAI's dual PCGs and SRU-based resampling. Use Value: Reduces system-level clock tree complexity and eliminates external SRC ICs-improving EMI robustness in automotive EMC environments. |
Use Scenario: Precision digital volume control, phase-linear crossover synthesis, and real-time THD+N measurement for active studio monitors. IC Role / Device Role / Timing Role: High-precision DSP executing 40-bit extended-precision FIR filters and calibrated ADC/DAC calibration routines from ROM. Use Value: Achieves <−110 dB THD+N and <100 ps inter-channel skew-meeting AES67 and ITU-R BS.1770-4 measurement standards. |
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-21262SBBCZ200 | 200 MHz core (vs. 150 MHz); 1200 MFLOPS SIMD; identical ROM content and pinout. | Required for >96 kHz/24-bit real-time processing of >8-channel DTS-HD MA streams. | Select when peak computational headroom exceeds 900 MFLOPS or when lower instruction-cycle latency is critical. |
| ADSP-21266KBBCZ200 | 200 MHz core; includes full ROM decoder suite (including WMA-PRO 7.1 96 kHz); same BGA-136 package. | Supports premium-tier audio formats absent in ADSP-21262 (e.g., WMA-PRO 96 kHz) for flagship consumer products. | Choose when certification for Windows Media Audio Professional 7.1 is mandatory and higher clock rate is acceptable. |
Compared with ADSP-21262SBBCZ150, the ADSP-21262SBBCZ200 offers higher throughput for compute-bound tasks without changing PCB layout, while ADSP-21266KBBCZ200 adds certified WMA-PRO 96 kHz decoding-making it suitable for premium OEM audio platforms requiring broader codec coverage.
Availability
ADSP-21262SBBCZ150 is available at Aetrix Electronics and suitable for home theater receivers, broadcast audio mixers, automotive infotainment systems, and studio monitor controllers requiring stable component supply and long-term industrial lifecycle support.
Supply support for ADSP-21262SBBCZ150 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 Norwood, MA, with design centers worldwide and ISO 9001-certified manufacturing.
The ADSP-21262SBBCZ150 belongs to the SHARC® family of SIMD floating-point DSPs, engineered specifically for deterministic, low-latency audio signal processing in consumer, professional, and automotive audio systems.
FAQ
What audio decoding algorithms are factory-programmed in the ROM of the ADSP-21262SBBCZ150?
The ADSP-21262SBBCZ150 includes factory-masked ROM containing Dolby Digital, Dolby Pro Logic II, Dolby Pro Logic IIx, DTS Neo:6, DTS ES Matrix 6.1, DTS 96/24 5.1, MPEG2 AAC LC, and MPEG2 BC 2ch decoders. These are fixed at manufacture and cannot be modified. PCM 96 kHz and noise generation are also supported. WMA-PRO 7.1 96 kHz is excluded-this feature appears only in the ADSP-21266 variant.
Does the ADSP-21262SBBCZ150 support pin-compatible upgrades to higher clock speeds?
Yes-the ADSP-21262SBBCZ150 shares identical 136-ball BGA (BC-136-1) packaging and pinout with the ADSP-21262SBBCZ200. No PCB redesign is required to upgrade from 150 MHz to 200 MHz operation; only the CLKIN frequency and PLL configuration settings need adjustment in firmware.
How does the ROM security feature of the ADSP-21262SBBCZ150 protect firmware IP?
The ADSP-21262SBBCZ150 implements hardware-enforced ROM security: when enabled, it prevents JTAG readout of internal code, disables external boot modes, and requires a unique 64-bit key scanned via JTAG to unlock emulation or debugging. This ensures proprietary audio algorithms stored in mask-ROM remain inaccessible to unauthorized parties.
Can the ADSP-21262SBBCZ150 interface directly with common audio codecs like the AD183x series?
Yes-the ADSP-21262SBBCZ150 supports direct connection to Analog Devices AD183x audio codecs via its six SPORTs operating in I2S or left-justified mode. Each SPORT provides independent Tx/Rx lines with configurable word length (8–32 bits), frame sync polarity, and clock phase-matching AD183x timing requirements without level-shifting or protocol translation.
What thermal management guidance applies to the ADSP-21262SBBCZ150 in continuous 150 MHz operation?
For sustained 150 MHz operation, Analog Devices specifies a maximum junction temperature of 105°C. The ADSP-21262SBBCZ150 requires a 4-layer PCB with dedicated internal ground/power planes, thermal vias under the exposed pad (if present), and ≥200 mm² copper pour connected to GND. Thermal resistance θJA is 32°C/W in standard JEDEC 2s2p board conditions.
ADSP-21262SBBCZ150 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SHARC®
- Package/Case:
- 136-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Floating Point
- Interface:
- DAI, SPI
- Clock Rate:
- 150MHz
- Non-Volatile Memory:
- ROM (512kB)
- 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:
- 136-CSPBGA (12x12)
ADSP-21262SBBCZ150 FAQ
1.How can I place an order for ADSP-21262SBBCZ150 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-21262SBBCZ150 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-21262SBBCZ150 reliable?
The price and inventory of ADSP-21262SBBCZ150 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-21262SBBCZ150 is usually 5 days.
3.What payment methods are accepted for ADSP-21262SBBCZ150?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-21262SBBCZ150 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-21262SBBCZ150?
ADSP-21262SBBCZ150 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-21262SBBCZ150 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-21262SBBCZ150?
For technical support, including ADSP-21262SBBCZ150 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-21262SBBCZ150 requirements.
6.How does Aetrix verify that ADSP-21262SBBCZ150 is sourced from the original manufacturer or authorized distributors?
All ADSP-21262SBBCZ150 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-21262SBBCZ150 meets industry standards.
7.What is the process for return or replacement of ADSP-21262SBBCZ150?
All ADSP-21262SBBCZ150 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-21262SBBCZ150, 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-21262SBBCZ150 part is unused and in its original packaging.
Return procedure for ADSP-21262SBBCZ150:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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