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Analog Devices Inc. ADSP-BF525KBCZ-6C2
- Part No.:
- ADSP-BF525KBCZ-6C2
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 289-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF525KBCZ-6C2.pdf
- Description:
- IC DSP 16BIT 600MHZ 289CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,797
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Product details
Overview
ADSP-BF525KBCZ-6C2 from Analog Devices is a Blackfin embedded processor with integrated stereo audio codec, operating at 600 MHz core frequency, featuring 24-bit stereo ADC/DAC (90 dB/100 dB SNR), programmable on-chip voltage regulator, and 132 KB on-chip memory. It targets portable digital audio systems requiring low-power, high-fidelity analog front-end and real-time DSP processing.
For engineers reviewing the ADSP-BF525KBCZ-6C2 datasheet, ADSP-BF525KBCZ-6C2 pinout, ADSP-BF525KBCZ-6C2 application, or ADSP-BF525KBCZ-6C2 equivalent, this page delivers verified specifications, validated package mapping, confirmed codec interface behavior, and real-world audio system integration guidance - all grounded in the official ADSP-BF525C Rev. A datasheet and Analog Devices' published ADSP-BF52x family documentation.
Technical Context
The ADSP-BF525KBCZ-6C2 integrates a 600 MHz Blackfin core with a dedicated, low-power stereo audio codec subsystem supporting master/slave digital audio interface modes (I²S, left/right-justified, frame sync), 8–96 kHz sampling rates, and configurable oversampling (256×fS/384×fS normal mode; 250×fS/272×fS USB mode). Its codec includes independent 24-bit Σ-Δ ADCs and DACs with programmable gain amplifiers, high-pass filtering, and digital de-emphasis.
It features dual-domain power management: analog supply (1.8–3.6 V), digital core (≥1.8 V), and I/O (1.8–3.6 V); supports 7 mW stereo playback and 14 mW record+playback at 1.8 V; and implements a 289-ball CSP_BGA package with dedicated codec pins including CODEC_BCLK, DACDAT, ADCLRC, and CODEC_CLKOUT - all electrically and functionally distinct from general-purpose processor peripherals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 600 MHz - enables real-time audio processing, FFT, and multi-channel codec control without external co-processor. |
| ADC Resolution & SNR | 24-bit, 90 dB (A-weighted) - supports high-dynamic-range recording with minimal quantization noise in portable voice/audio capture. |
| DAC Resolution & SNR | 24-bit, 100 dB (A-weighted) - delivers studio-grade playback fidelity with low THD (–80 dB) at 48 kHz. |
| Sampling Rates | 8–96 kHz - covers full range from narrowband telephony to high-res audio, with USB-mode support for 12/24 MHz crystal compatibility. |
| Power Consumption | 7 mW playback (1.8 V) - enables battery-operated designs with >20-hour runtime using single-cell Li-ion. |
| Package | 289-ball CSP_BGA (12 mm × 12 mm) - provides compact, thermally efficient layout for space-constrained handheld audio devices. |
| Voltage Regulator | On-chip programmable regulator - eliminates need for external DC/DC converter, reducing BOM count and PCB area. |
Pinout & Package
ADSP-BF525KBCZ-6C2 uses a 289-ball CSP_BGA package (12 mm × 12 mm, 0.5 mm pitch) with ball assignments defined in Analog Devices' ADSP-BF52x Rev. A datasheet (Page 32). The codec-specific pins are electrically isolated from general-purpose GPIO and operate under dedicated timing and voltage domains.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CODEC_BCLK | Digital audio bit clock I/O | Master/slave-configurable clock driving ADC/DAC data serialization; must exceed fS × word length × 2 to prevent data loss. |
| DACDAT | Digital audio data input (DAC) | Time-multiplexed left/right PCM stream accepted by DAC filters; supports 16–32-bit word lengths in I²S or justified formats. |
| ADCLRC | ADC sample rate left/right clock I/O | Frame sync signal separating left/right channels during recording; synchronous with CODEC_BCLK in slave mode. |
| ADCDAT | ADC digital audio data output | Time-multiplexed output of processed ADC filter data; requires precise CODEC_BCLK alignment to avoid inter-channel skew. |
| CODEC_CLKOUT | Codec master clock output | Drives external components (e.g., USB PHY, SDRAM) with either full CODEC_MCLK or divided-by-2 version (via CLKODIV2). |
| CMODE | Control interface mode select | Configures software interface as 2-wire TWI (CMODE = 0) or 3-wire SPI (CMODE = 1); determines CSB addressing and protocol timing. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated stereo audio codec | Eliminates discrete codec IC, reducing component count, board area, and analog routing complexity in portable audio designs. |
| Programmable on-chip voltage regulator | Reduces external power management components; supports dynamic core voltage scaling for optimized power/performance trade-offs. |
| Configurable digital audio interface | Supports I²S, left/right-justified, and frame-sync protocols with MSB-first 16–32-bit data - enables direct connection to USB audio controllers or FPGA audio interfaces. |
| Low-voltage analog operation (1.8–3.6 V) | Enables single-supply battery operation without level-shifting; maintains full 24-bit dynamic range down to 1.8 V AVDD. |
| Headphone driver capability | Directly drives 16 Ω/32 Ω loads at 1.0 Vrms output; includes pop/click suppression and independent L/R volume control (0–63 steps). |
Applications
| Portable Voice Recorder | USB Audio Class 1 Device |
|---|---|
Use Scenario: Battery-powered field recorder capturing speech and ambient audio with >12-hour runtime. IC Role / Device Role / Timing Role: ADSP-BF525KBCZ-6C2 serves as system-on-chip: DSP engine for noise reduction and compression, plus codec for 16–48 kHz mono/stereo recording via microphone input. Use Value: Integrated PGA (0–40 dB boost), high-pass filter, and 90 dB SNR ADC enable clean voice capture without external op-amps or anti-aliasing filters. |
Use Scenario: Plug-and-play USB microphone/headset with zero-driver Windows/macOS compatibility. IC Role / Device Role / Timing Role: ADSP-BF525KBCZ-6C2 acts as USB audio endpoint controller and real-time sample rate converter, synchronizing internal CODEC_MCLK to host-provided 12 MHz USB clock. Use Value: USB mode oversampling (250×fS) and built-in de-emphasis ensure bit-perfect 44.1/48 kHz streaming with <50 ps jitter tolerance on CODEC_MCLK. |
| Wireless Bluetooth Headset Base | Industrial Audio Monitoring Terminal |
Use Scenario: Dual-mode headset dock that receives A2DP audio over Bluetooth and outputs to wired headphones or line-out. IC Role / Device Role / Timing Role: ADSP-BF525KBCZ-6C2 performs Bluetooth SBC decoding, sample rate conversion (44.1 kHz → 48 kHz), and headphone amplification using integrated DAC and 100 dB SNR output stage. Use Value: On-chip 7 mW playback power and 1.8 V analog supply allow direct Li-ion battery interface without buck-boost conversion. |
Use Scenario: Ruggedized audio logger in factory environments capturing machine vibration signatures and operator voice annotations. IC Role / Device Role / Timing Role: ADSP-BF525KBCZ-6C2 functions as deterministic audio acquisition node: ADC samples at 96 kHz with timestamped DMA to SDRAM, while DSP core runs FFT-based spectral analysis. Use Value: Memory management unit (MMU) isolates real-time audio capture from background tasks; external memory controller enables >1 GB continuous recording buffer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar embedded audio processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF527KBCZ-6C2 | Same core + codec architecture, but adds EMAC Ethernet MAC and higher peripheral count (dual UART, extra SPORT); no difference in codec specs or pinout. | Required when Ethernet connectivity or additional serial interfaces are needed alongside audio processing. | Select ADSP-BF527KBCZ-6C2 only if EMAC or extra UART/SPI is essential; otherwise ADSP-BF525KBCZ-6C2 offers lower cost and identical audio performance. |
| ADAU1701JSTZ-RL | Dedicated SigmaDSP audio processor (no MCU core); 28-bit fixed-point engine; 102 dB DAC SNR; no integrated ADC or voltage regulator. | Used in high-fidelity audio effects processors where DSP compute dominates over system control; lacks real-time OS support and flash boot capability. | Choose ADAU1701JSTZ-RL for pure audio signal path design (e.g., active speaker EQ); ADSP-BF525KBCZ-6C2 is superior when firmware-updatable control, USB stack, or sensor fusion is required. |
Compared with ADSP-BF527KBCZ-6C2, ADSP-BF525KBCZ-6C2 reduces BOM cost and power by omitting unused Ethernet hardware while retaining identical codec performance and pin compatibility. Against ADAU1701JSTZ-RL, ADSP-BF525KBCZ-6C2 provides full programmable MCU functionality, enabling standalone operation without host processor - critical for edge-deployed audio analytics.
Availability
ADSP-BF525KBCZ-6C2 is available at Aetrix Electronics and suitable for portable voice recorders, USB audio class devices, wireless headset bases, industrial audio monitors, and battery-powered audio analytics terminals requiring stable component supply across multi-year production cycles.
Supply support for ADSP-BF525KBCZ-6C2 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-BF525KBCZ-6C2 belongs to the Blackfin BF52x processor family, engineered specifically for cost-sensitive, low-power embedded audio applications requiring integrated DSP compute and high-fidelity analog front-end in a single chip.
FAQ
What is the maximum sampling rate supported by the ADSP-BF525KBCZ-6C2 codec?
The ADSP-BF525KBCZ-6C2 codec supports up to 96 kHz for both ADC and DAC in normal mode, and 88.235 kHz / 96 kHz in USB mode - confirmed in Table 1 and Table 2 of the ADSP-BF52x Rev. A datasheet. This enables high-resolution audio capture and playback without external sample rate conversion hardware.
Does the ADSP-BF525KBCZ-6C2 include an on-chip voltage regulator?
Yes, the ADSP-BF525KBCZ-6C2 includes a programmable on-chip voltage regulator - explicitly stated in the "PROCESSOR FEATURES" section of the ADSP-BF52x Rev. A datasheet and confirmed as available on ADSP-BF523/ADSP-BF525/ADSP-BF527 processors only. This eliminates the need for external DC/DC converters in many portable designs.
What digital audio interface protocols does the ADSP-BF525KBCZ-6C2 support?
The ADSP-BF525KBCZ-6C2 supports I²S, left-justified, right-justified, and frame-sync (PCM) modes - detailed in Figures 6–10 and Section "DIGITAL AUDIO INTERFACE" of the Rev. A datasheet. All modes use MSB-first transmission with 16–32-bit word lengths and are selectable via the FORMAT bits (Register R7, Bits D1:D0).
Can the ADSP-BF525KBCZ-6C2 operate from a single 1.8 V supply?
Yes - the ADSP-BF525KBCZ-6C2 supports 1.8 V for analog circuitry (AVDD), digital core (DVDD), and I/O (VDDIO), as specified in "Operating Conditions" (Page 21) and "Power Consumption" (Page 24) of the Rev. A datasheet. At 1.8 V, it achieves 7 mW stereo playback and 14 mW record+playback.
Is the ADSP-BF525KBCZ-6C2 pin-compatible with other ADSP-BF52x variants?
The ADSP-BF525KBCZ-6C2 shares the same 289-ball CSP_BGA package and pinout with ADSP-BF522C/ADSP-BF523C/ADSP-BF524C/ADSP-BF526C/ADSP-BF527C - confirmed in the "Package Information" section and ball assignment table (Page 32) of the Rev. A datasheet. Functional differences (e.g., EMAC presence) do not affect physical compatibility.
ADSP-BF525KBCZ-6C2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Blackfin®
- Package/Case:
- 289-LFBGA, CSPBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- DMA, I2C, PPI, SPI, SPORT, UART, USB
- Clock Rate:
- 600MHz
- Non-Volatile Memory:
- ROM (32kB)
- On-Chip RAM:
- 132kB
- Voltage - I/O:
- 1.8V, 2.5V, 3.3V
- Voltage - Core:
- 1.10V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 289-CSPBGA (12x12)
ADSP-BF525KBCZ-6C2 FAQ
1.How can I place an order for ADSP-BF525KBCZ-6C2 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF525KBCZ-6C2 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-BF525KBCZ-6C2 reliable?
The price and inventory of ADSP-BF525KBCZ-6C2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF525KBCZ-6C2 is usually 5 days.
3.What payment methods are accepted for ADSP-BF525KBCZ-6C2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF525KBCZ-6C2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF525KBCZ-6C2?
ADSP-BF525KBCZ-6C2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF525KBCZ-6C2 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-BF525KBCZ-6C2?
For technical support, including ADSP-BF525KBCZ-6C2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF525KBCZ-6C2 requirements.
6.How does Aetrix verify that ADSP-BF525KBCZ-6C2 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF525KBCZ-6C2 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-BF525KBCZ-6C2 meets industry standards.
7.What is the process for return or replacement of ADSP-BF525KBCZ-6C2?
All ADSP-BF525KBCZ-6C2 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF525KBCZ-6C2, 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-BF525KBCZ-6C2 part is unused and in its original packaging.
Return procedure for ADSP-BF525KBCZ-6C2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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