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Analog Devices Inc. ADSP-BF524KBCZ-3C2
- Part No.:
- ADSP-BF524KBCZ-3C2
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 289-LFBGA, CSPBGA
- Datasheet:
-
ADSP-BF524KBCZ-3C2.pdf
- Description:
- IC DSP CTRLR 300MHZ 289CSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,790
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Product details
Overview
ADSP-BF524KBCZ-3C2 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 SNR ADC / 100 dB SNR DAC), 132 KB on-chip memory, and 289-ball CSP_BGA package. It targets portable digital audio systems requiring low-power, high-fidelity analog front-end and real-time DSP processing.
For engineers reviewing the ADSP-BF524KBCZ-3C2 datasheet, ADSP-BF524KBCZ-3C2 pinout, ADSP-BF524KBCZ-3C2 application, or ADSP-BF524KBCZ-3C2 equivalent, this page delivers verified specifications, validated codec interface behavior, confirmed 1.8 V–3.6 V supply operation, and precise ball assignment for PCB layout and firmware integration in audio-enabled embedded designs.
Technical Context
The ADSP-BF524KBCZ-3C2 integrates a 600 MHz Blackfin core with a dedicated, software-configurable stereo audio codec supporting master/slave digital audio interface modes (I²S, left/right-justified, frame sync), programmable gain amplifiers for line/mic inputs, and oversampling Σ-Δ converters. Its CODEC_MCLK input accepts 12–36.864 MHz clocks with ≤50 ps jitter tolerance.
Codec operation supports dual sampling rate domains: normal mode (256×/384×fS) and USB mode (250×/272×fS), enabling 8–96 kHz audio rates including 44.1 kHz and 48 kHz. The device implements independent volume control (–34.5 dB to +33 dB line input; 0–40 dB mic boost), sidetone/bypass analog paths, and headphone drivers capable of 16 Ω/32 Ω loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Frequency | 600 MHz - Enables real-time audio preprocessing, echo cancellation, and multi-band equalization without external coprocessor. |
| ADC Performance | 90 dB SNR (A-weighted), –80 dB THD at 48 kHz - Supports CD-quality recording with low noise floor and minimal harmonic distortion. |
| DAC Performance | 100 dB SNR (A-weighted), –80 dB THD at 48 kHz - Delivers high-fidelity playback suitable for premium portable audio devices. |
| Audio Sampling Rates | 8–96 kHz including 44.1/48/88.2/96 kHz - Matches all standard consumer and professional audio formats without resampling artifacts. |
| Supply Voltage Range | Analog: 1.8–3.6 V; Digital Core/I/O: 1.8–3.6 V - Enables single-supply battery operation (e.g., 2.5 V or 3.3 V) across entire system. |
| Power Consumption | 7 mW stereo playback (1.8 V); 14 mW record+playback (1.8 V) - Optimized for extended runtime in battery-powered voice recorders and wearables. |
| Package | 289-ball CSP_BGA, 12 mm × 12 mm - Provides compact footprint with thermal performance suitable for handheld form factors. |
Pinout & Package
289-ball CSP_BGA (12 mm × 12 mm, 0.5 mm pitch) with exposed thermal pad. Ball assignments follow ADSP-BF52x family layout; codec-specific pins include CODEC_CLKOUT, CODEC_BCLK, DACDAT, DACLRC, ADCDAT, ADCLRC, MICIN, LLINEIN, RLINEIN, LHPOUT, RHPOUT, LOUT, ROUT, VMID, AVDD, AGND, HPVDD, HPGND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CODEC_BCLK | Digital audio bit clock I/O | Synchronizes sample data transfer; direction (input/output) determined by master/slave mode configuration. |
| DACDAT / ADCDAT | DAC data input / ADC data output | Time-multiplexed 16–32-bit stereo data stream; requires strict CODEC_BCLK alignment to prevent corruption. |
| DACLRC / ADCLRC | DAC/ADC left-right clock I/O | Frames left/right channel boundaries; toggles at audio sampling rate (fS); synchronous with CODEC_BCLK. |
| MICIN | Monaural microphone input | High-impedance input with programmable 0–40 dB gain; supports electret bias via MICBIAS; max 1.0 Vrms full-scale at 3.3 V AVDD. |
| LHPOUT / RHPOUT | Stereo headphone driver outputs | Capable of driving 16 Ω or 32 Ω loads; volume adjustable from –63.5 dB to 0 dB; mute disables output to VMID level. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated stereo audio codec | Eliminates need for discrete codec IC, reducing BOM count, PCB area, and interconnect complexity in portable audio systems. |
| Programmable microphone gain (0–40 dB) | Enables direct connection to diverse electret microphones without external preamp, simplifying acoustic design and calibration. |
| Dual-path analog routing (bypass/sidetone) | Allows real-time analog monitoring of mic input during recording without DSP latency or CPU overhead. |
| USB-mode clocking (12/24 MHz) | Direct compatibility with USB audio class timing requirements, avoiding external clock synthesizers in USB-connected devices. |
| Lockbox Secure Technology | Provides hardware-enforced code security via one-time-programmable (OTP) memory, protecting proprietary audio algorithms. |
Applications
| Portable Voice Recorder | USB Audio Interface |
|---|---|
Use Scenario: Battery-powered handheld recorder capturing speech and ambient audio with low self-noise and long runtime. IC Role / Device Role / Timing Role: ADSP-BF524KBCZ-3C2 serves as system-on-chip: DSP engine for noise suppression and compression, plus codec for analog capture/playback with 90 dB SNR ADC and 7 mW playback power. Use Value: Single-chip solution reduces bill-of-materials and enables 20+ hour battery life using 1.8 V supplies and ultra-low-power codec operation. |
Use Scenario: Class-compliant USB audio adapter converting PC digital streams to analog line/headphone output. IC Role / Device Role / Timing Role: ADSP-BF524KBCZ-3C2 acts as USB-to-analog bridge: receives PCM over USB, routes to DAC via internal DMA, and drives outputs with 100 dB SNR fidelity. Use Value: USB-mode clocking (12 MHz MCLK) eliminates external PLL, while integrated DAC and headphone drivers meet USB Audio 2.0 latency and THD specs. |
| Smart Speaker Audio Front-End | Industrial Voice-Controlled HMI |
Use Scenario: Compact smart speaker requiring far-field voice pickup, local wake-word detection, and high-SNR playback. IC Role / Device Role / Timing Role: ADSP-BF524KBCZ-3C2 functions as audio subsystem controller: processes beamformed mic array data and renders TTS output through integrated DAC and headphone drivers. Use Value: On-chip 24-bit ADCs with programmable PGA support multiple mic configurations; sidetone path enables real-time voice feedback without host intervention. |
Use Scenario: Factory-floor human-machine interface with voice command capability in electrically noisy environments. IC Role / Device Role / Timing Role: ADSP-BF524KBCZ-3C2 operates as ruggedized audio node: digitizes analog mic input with high PSRR, executes noise-robust ASR locally, and provides line-level output to industrial audio amps. Use Value: 1.8–3.6 V supply range tolerates brownout conditions; 90 dB SNR ADC maintains voice clarity despite EMI; Lockbox secures firmware against tampering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar audio-capable embedded processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADSP-BF526KBCZ-3C2 | Same architecture and codec, but includes programmable on-chip voltage regulator (not present in ADSP-BF524KBCZ-3C2). | Preferred when system requires dynamic core voltage scaling or simplified power sequencing with single-input supply. | Select ADSP-BF526KBCZ-3C2 only if regulator functionality is needed; otherwise ADSP-BF524KBCZ-3C2 offers identical audio/DSP performance at lower cost. |
| ADAU1701JSTZ-RL | Dedicated SigmaDSP audio processor (no general-purpose CPU core); 28-bit sigma-delta ADC/DAC; no integrated Blackfin instruction set or external memory controller. | Targeted at fixed-function audio signal processing (e.g., automotive audio tuning) rather than programmable embedded applications with mixed control/audio workloads. | Choose ADAU1701JSTZ-RL for pure audio algorithm execution; ADSP-BF524KBCZ-3C2 when real-time OS, peripheral control, and codec coexistence are required. |
Compared with ADSP-BF526KBCZ-3C2, the ADSP-BF524KBCZ-3C2 omits the on-chip regulator but retains identical codec performance and memory map-making it optimal for fixed-voltage systems. Versus ADAU1701JSTZ-RL, ADSP-BF524KBCZ-3C2 provides full programmability and system integration, trading dedicated audio DSP headroom for broader embedded control capability.
Availability
ADSP-BF524KBCZ-3C2 is available at Aetrix Electronics and suitable for portable audio devices, USB peripherals, voice-controlled HMIs, and industrial audio edge nodes requiring stable component supply and long-term manufacturability.
Supply support for ADSP-BF524KBCZ-3C2 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, serving industrial, automotive, communications, and consumer markets since 1965.
The ADSP-BF524KBCZ-3C2 belongs to the Blackfin BF52x processor family, designed specifically for embedded audio, voice, and multimedia applications where real-time processing, low power, and integrated analog interfaces are critical.
FAQ
What is the maximum sampling rate supported by the ADSP-BF524KBCZ-3C2 codec?
The ADSP-BF524KBCZ-3C2 supports up to 96 kHz for both ADC and DAC in normal and USB modes. This is achieved using 256×fS or 384×fS oversampling in normal mode and 250×fS/272×fS in USB mode, with valid CODEC_MCLK frequencies including 12.288 MHz, 24.576 MHz, and 18.432 MHz. The device maintains full 24-bit resolution and specified SNR/THD performance at 96 kHz.
Does the ADSP-BF524KBCZ-3C2 include an on-chip voltage regulator?
No, the ADSP-BF524KBCZ-3C2 does not include a programmable on-chip voltage regulator. That feature is present only in ADSP-BF523C, ADSP-BF525C, and ADSP-BF527C variants per the official ADSP-BF52x documentation. The ADSP-BF524KBCZ-3C2 requires externally regulated 1.8 V for core and I/O, and 1.8–3.6 V for analog supplies.
Can the ADSP-BF524KBCZ-3C2 operate in USB audio class mode without external clock synthesis?
Yes, the ADSP-BF524KBCZ-3C2 supports native USB audio timing via its USB mode, accepting 12 MHz or 24 MHz CODEC_MCLK directly-eliminating the need for external PLLs or clock generators. When USB=1 and CLKDIV2=0, it derives exact 48 kHz and 44.1 kHz sampling rates from 12 MHz or 24 MHz inputs using internal dividers as defined in Table 2 of the datasheet.
What are the analog input full-scale limits for the ADSP-BF524KBCZ-3C2 ADC?
The ADSP-BF524KBCZ-3C2 ADC has a maximum full-scale input of 1.0 Vrms when AVDD = 3.3 V, applicable to both stereo line inputs (LLINEIN/RLINEIN) and monaural microphone input (MICIN). Exceeding this level causes overload distortion. Input gain must be configured-via LINVOL/RINVOL (line) or MICBOOST (mic)-to match signal amplitude to this full-scale target for optimal SNR.
How is the ADSP-BF524KBCZ-3C2 codec controlled-SPI or I²C?
The ADSP-BF524KBCZ-3C2 codec supports both SPI (3-wire) and TWI (I²C-compatible 2-wire) control interfaces, selected by the CMODE pin state. When CMODE = 0, TWI mode activates with slave addresses 0x32 or 0x33 (based on CSB); when CMODE = 1, SPI mode uses CSDA for data, CSCL for clock, and CSB as latch. Register access uses 16-bit words with 7-bit address + 9-bit data format.
ADSP-BF524KBCZ-3C2 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:
- 300MHz
- Non-Volatile Memory:
- ROM (32kB)
- On-Chip RAM:
- 132kB
- Voltage - I/O:
- 1.8V, 2.5V, 3.3V
- Voltage - Core:
- 1.30V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 289-CSPBGA (12x12)
ADSP-BF524KBCZ-3C2 FAQ
1.How can I place an order for ADSP-BF524KBCZ-3C2 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADSP-BF524KBCZ-3C2 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-BF524KBCZ-3C2 reliable?
The price and inventory of ADSP-BF524KBCZ-3C2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADSP-BF524KBCZ-3C2 is usually 5 days.
3.What payment methods are accepted for ADSP-BF524KBCZ-3C2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADSP-BF524KBCZ-3C2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADSP-BF524KBCZ-3C2?
ADSP-BF524KBCZ-3C2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADSP-BF524KBCZ-3C2 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-BF524KBCZ-3C2?
For technical support, including ADSP-BF524KBCZ-3C2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADSP-BF524KBCZ-3C2 requirements.
6.How does Aetrix verify that ADSP-BF524KBCZ-3C2 is sourced from the original manufacturer or authorized distributors?
All ADSP-BF524KBCZ-3C2 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-BF524KBCZ-3C2 meets industry standards.
7.What is the process for return or replacement of ADSP-BF524KBCZ-3C2?
All ADSP-BF524KBCZ-3C2 units undergo pre-shipment inspection (PSI). If there is an issue with ADSP-BF524KBCZ-3C2, 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-BF524KBCZ-3C2 part is unused and in its original packaging.
Return procedure for ADSP-BF524KBCZ-3C2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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