Analog Devices Inc. ADSP-21262SKBCZ200

Overview

ADSP-21262SKBCZ200 from Analog Devices is a 32-bit/40-bit floating-point SHARC DSP optimized for high-performance multichannel audio processing, operating at 200 MHz core instruction rate, featuring 2M-bit dual-ported SRAM, 4M-bit mask-programmable ROM with preloaded surround sound decoders (Dolby Digital, DTS-ES, WMA-PRO V7.1), and six full-duplex serial ports supporting up to 24 audio channels.

For engineers reviewing the ADSP-21262SKBCZ200 datasheet, ADSP-21262SKBCZ200 pinout, ADSP-21262SKBCZ200 application, or ADSP-21262SKBCZ200 equivalent, key selection criteria include SIMD computational throughput (1200 MFLOPS), ROM-based decoder availability, DAI-configurable signal routing, and 144-lead LQFP package compatibility with industrial audio system layouts.

Technical Context

The ADSP-21262SKBCZ200 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. It supports IEEE 32-bit single-precision, 40-bit extended-precision floating-point, and 32-bit fixed-point arithmetic in single-cycle operations.

Its Digital Application Interface (DAI) integrates two precision clock generators (PCGs), an 8-channel I²S/serial input data port (IDP) with dedicated DMA, six flag I/Os, three programmable timers, and a software-controllable signal routing unit (SRU) for dynamic peripheral interconnection - all mapped to dedicated LQFP pins without external logic.

Key Specifications

Pinout & Package

ADSP-21262SKBCZ200 is housed in a 144-lead LQFP (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per Analog Devices Rev. G datasheet, Pages 39–42.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance audio DSP applications.

Compared with ADSP-21266KBCZ200, ADSP-21262SKBCZ200 trades preloaded ROM decoders for identical compute and memory resources; versus ADSP-21369BBCZ-2A, it sacrifices raw speed and I/O expansion for guaranteed codec certification and reduced firmware validation effort.

Availability

ADSP-21262SKBCZ200 is available at Aetrix Electronics and suitable for home theater receivers, professional audio consoles, automotive infotainment systems, and high-end soundbars requiring stable component supply and long-term lifecycle support.

Supply support for ADSP-21262SKBCZ200 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, communications, and industrial applications.

The ADSP-21262SKBCZ200 belongs to the SHARC® family of SIMD floating-point DSPs, designed specifically for deterministic, low-latency audio signal processing in consumer and professional audio equipment where certified codec integration and real-time compute density are critical.

FAQ

What is the core instruction rate and maximum computational throughput of the ADSP-21262SKBCZ200?

The ADSP-21262SKBCZ200 operates at a 200 MHz core instruction rate, achieving 1200 MFLOPS in SIMD mode. This performance level is confirmed in Table 1 of the Rev. G datasheet and enables real-time execution of complex audio algorithms such as 1024-point FFTs in 61.3 µs and FIR filtering at 3.3 ns per tap under multichannel SIMD conditions.

Does the ADSP-21262SKBCZ200 include factory-programmed audio decoders in its on-chip ROM?

No, the ADSP-21262SKBCZ200 contains 4M-bit mask-programmable ROM but does not ship with preloaded Dolby or DTS decoders. Per Table 2 and Table 3 of the Rev. G datasheet, only the ADSP-21266 variant includes factory-programmed multichannel surround sound algorithms; ADSP-21262SKBCZ200 requires external firmware loading for codec execution.

What package type and pin count does the ADSP-21262SKBCZ200 use?

The ADSP-21262SKBCZ200 uses a 144-lead LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad, as specified in the "Package Information" section (Page 15) and "144-Lead LQFP Pin Configurations" (Page 39) of the Rev. G datasheet. This matches the ADSP-21262 variant designation in Table 2.

How does the Digital Application Interface (DAI) enhance system design flexibility for the ADSP-21262SKBCZ200?

The DAI in the ADSP-21262SKBCZ200 includes a software-configurable Signal Routing Unit (SRU), two Precision Clock Generators (PCGs), and an Input Data Port (IDP) - allowing runtime assignment of clock outputs, data inputs, and timer signals to any DAI pin without hardware changes. This is documented in the "Digital Application Interface (DAI)" section (Page 6) and functional block diagram (Figure 1).

What power supply requirements must be met to ensure stable operation of the ADSP-21262SKBCZ200?

The ADSP-21262SKBCZ200 requires three isolated supplies: VDDINT = 1.2 V ±3% for the core, VDDEXT = 3.3 V ±5% for I/O, and AVDD = 1.2 V ±3% for the PLL. Per Page 7, AVDD must be filtered with a muRata BLM18AG102SN1D ferrite bead and 1nF/10nF/100nF capacitors placed adjacent to the AVDD/AVSS pins to maintain PLL jitter below 1 ps RMS.