ADSP-BF706BCPZ-4 - Blackfin+ DSP 400MHz 1MB SRAM LFCSP-88 | ADI
N.º de pieza: ADSP-BF706BCPZ-4 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $15.61 | $15,61 |
| 10 | $14.2 | $142,00 |
| 100 | $12.5 | $1.250,00 |
| 500 | $11.1 | $5.550,00 |
| 1.000 | $10.2 | $10.200,00 |
ADSP-BF706BCPZ-4 Descripción general
What is a Blackfin+ DSP? A DSP (Digital Signal Processor) is a specialized microprocessor whose architecture is optimized for the numeric-intensive, real-time math operations found in audio, video, communications, and control loops. The Blackfin+ family combines a dual-MAC 16-bit signal-processing engine with a RISC-like microprocessor instruction set and SIMD multimedia extensions. Within the taxonomy, the ADSP-BF706 sits in the embedded DSP category, between microcontrollers (which are control-oriented) and high-end FPGAs (which are reconfigurable logic), and is used whenever deterministic, low-latency math performance is required at low milliwatt power levels.
Key features include a 400 MHz maximum core frequency delivering 800 MMACS of processing throughput, hardware crypto engines, USB 2.0 high-speed OTG, two CAN 2.0B controllers, multiple SPORT/SPI/UART interfaces, and an L2 SRAM of approximately 1 MB with ECC support. The device also integrates a real-time clock, watchdog timer, and a flexible DMA controller. Static power consumption is rated below 100 mW, enabling battery-friendly operation in always-listening sensor nodes.
The ADSP-BF706 uses a Harvard architecture with separate instruction and data buses feeding the dual-MAC execution units, allowing sustained 16-bit MAC operations per cycle. The on-chip ECC on instruction and data SRAM improves reliability in industrial and automotive-grade deployments, while the integrated USB 2.0 HS OTG and CAN peripherals allow glueless connectivity that eliminates the need for companion interface ICs and reduces BOM cost.
Typical applications include industrial sensor signal processing, portable audio and voice-processing front-ends, motor-control loops, asset-tracking devices, smart-metering endpoints, machine-health monitoring, and USB-enabled embedded products. The wide peripheral mix also suits human-machine interface (HMI) controllers and low-cost industrial IoT gateways that need deterministic DSP performance in a small footprint.
When designing with the ADSP-BF706BCPZ-4, plan for a 1.8 V internal core rail plus a 3.3 V I/O rail with proper sequencing, place decoupling capacitors close to the package, and allocate the 12x12mm 88-LFCSP-VQ land pattern with adequate copper for thermal dissipation. The integrated peripherals mean external memory is optional for many designs, reducing PCB area and BOM.
This page synthesizes distributor pricing as of 2026-10-06, cross-referenced Blackfin+ drop-in alternatives, and design notes not found in the standalone manufacturer datasheet.
Alternativas directas para ADSP-BF706BCPZ-4 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADSP-BF706KCPZ-4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADSP-BF706KCPZ-3
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADSP-BF707BCPZ-4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADSP-BF704BCPZ-4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADSP-BF702BCPZ-4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADSP-BF700BCPZ-4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADSP-BF706BCPZ-4 Especificaciones
| Product Type | Digital Signal Processor (DSP) |
| Core Architecture | Blackfin+ (dual-MAC, 16-bit DSP) |
| Core Frequency (Max) | 400 MHz |
| Processing Throughput | 800 MMACS |
| On-chip L2 SRAM | 1 MByte (with ECC) |
| Instruction Set | Blackfin (instruction-set compatible with prior Blackfin families) |
| Speed Grade | -4 (400 MHz) |
| Static Power Consumption | <100 mW |
| USB | USB 2.0 High-Speed OTG (integrated) |
| CAN | 2x CAN 2.0B controllers |
| Serial Interfaces | SPORT, SPI, UART, TWI (I2C) |
| Encapsulado | 88-lead LFCSP-VQ (CPZ), 12x12 mm |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +105C |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de ADSP-BF706BCPZ-4
| Pin 1 | VDDINT — Core voltage supply (1.8 V typical) |
| Pin 2 | VSS — Ground reference |
| Pin 3 | VDDEXT — I/O voltage supply (3.3 V typical) |
| Pin 4 | XTAL1 — Crystal input / external clock |
| Pin 5 | XTAL2 — Crystal output |
| Pin 6 | RESET — Hardware reset (active low) |
| Pin 7 | NMI — Non-maskable interrupt input |
| Pin 8 | USB_DP — USB 2.0 HS data plus |
| Pin 9 | USB_DM — USB 2.0 HS data minus |
| Pin 10 | USB_VBUS — USB VBUS sense |
| Pin 11 | CAN1_TX — CAN 1 transmit |
| Pin 12 | CAN1_RX — CAN 1 receive |
| Pin 13 | CAN2_TX — CAN 2 transmit |
| Pin 14 | CAN2_RX — CAN 2 receive |
| Pin 15 | SPORT0_CLK — SPORT 0 clock |
| Pin 16 | SPORT0_D0 — SPORT 0 data primary |
| Pin 17 | SPORT0_D1 — SPORT 0 data secondary |
| Pin 18 | SPORT0_FS — SPORT 0 frame sync |
| Pin 19 | SPORT1_CLK — SPORT 1 clock |
| Pin 20 | SPORT1_D0 — SPORT 1 data primary |
| Pin 21 | SPORT1_D1 — SPORT 1 data secondary |
| Pin 22 | SPORT1_FS — SPORT 1 frame sync |
| Pin 23 | SPI0_MOSI — SPI 0 master out, slave in |
| Pin 24 | SPI0_MISO — SPI 0 master in, slave out |
| Pin 25 | SPI0_SCK — SPI 0 clock |
| Pin 26 | SPI0_SS — SPI 0 slave select |
| Pin 27 | SPI1_MOSI — SPI 1 master out, slave in |
| Pin 28 | SPI1_MISO — SPI 1 master in, slave out |
| Pin 29 | SPI1_SCK — SPI 1 clock |
| Pin 30 | SPI1_SS — SPI 1 slave select |
| Pin 31 | UART0_TX — UART 0 transmit |
| Pin 32 | UART0_RX — UART 0 receive |
| Pin 33 | UART0_RTS — UART 0 request to send |
| Pin 34 | UART0_CTS — UART 0 clear to send |
| Pin 35 | UART1_TX — UART 1 transmit |
| Pin 36 | UART1_RX — UART 1 receive |
| Pin 37 | TWI0_SCL — I2C 0 clock |
| Pin 38 | TWI0_SDA — I2C 0 data |
| Pin 39 | TWI1_SCL — I2C 1 clock |
| Pin 40 | TWI1_SDA — I2C 1 data |
| Pin 41 | GPIO_0 — General-purpose I/O 0 |
| Pin 42 | GPIO_1 — General-purpose I/O 1 |
| Pin 43 | GPIO_2 — General-purpose I/O 2 |
| Pin 44 | GPIO_3 — General-purpose I/O 3 |
| Pin 45 | GPIO_4 — General-purpose I/O 4 |
| Pin 46 | GPIO_5 — General-purpose I/O 5 |
| Pin 47 | GPIO_6 — General-purpose I/O 6 |
| Pin 48 | GPIO_7 — General-purpose I/O 7 |
| Pin 49 | GPIO_8 — General-purpose I/O 8 |
| Pin 50 | GPIO_9 — General-purpose I/O 9 |
| Pin 51 | GPIO_10 — General-purpose I/O 10 |
| Pin 52 | GPIO_11 — General-purpose I/O 11 |
| Pin 53 | GPIO_12 — General-purpose I/O 12 |
| Pin 54 | GPIO_13 — General-purpose I/O 13 |
| Pin 55 | GPIO_14 — General-purpose I/O 14 |
| Pin 56 | GPIO_15 — General-purpose I/O 15 |
| Pin 57 | PWM0_AH — PWM 0 channel A high-side |
| Pin 58 | PWM0_AL — PWM 0 channel A low-side |
| Pin 59 | PWM0_BH — PWM 0 channel B high-side |
| Pin 60 | PWM0_BL — PWM 0 channel B low-side |
| Pin 61 | PWM1_AH — PWM 1 channel A high-side |
| Pin 62 | PWM1_AL — PWM 1 channel A low-side |
| Pin 63 | PWM1_BH — PWM 1 channel B high-side |
| Pin 64 | PWM1_BL — PWM 1 channel B low-side |
| Pin 65 | TIMER0 — General-purpose timer 0 |
| Pin 66 | TIMER1 — General-purpose timer 1 |
| Pin 67 | TIMER2 — General-purpose timer 2 |
| Pin 68 | RTC_CLKIN — Real-time clock input |
| Pin 69 | RTC_XTAL1 — RTC crystal 1 |
| Pin 70 | RTC_XTAL2 — RTC crystal 2 |
| Pin 71 | WDOG — Watchdog timer output |
| Pin 72 | DREQ — DMA request input |
| Pin 73 | DACK — DMA acknowledge output |
| Pin 74 | ADDR0 — External address bus 0 |
| Pin 75 | ADDR1 — External address bus 1 |
| Pin 76 | DATA0 — External data bus 0 |
| Pin 77 | DATA1 — External data bus 1 |
| Pin 78 | EMS — External memory select |
| Pin 79 | OE — External memory output enable |
| Pin 80 | WE — External memory write enable |
| Pin 81 | JTAG_TCK — JTAG test clock |
| Pin 82 | JTAG_TMS — JTAG test mode select |
| Pin 83 | JTAG_TDI — JTAG test data in |
| Pin 84 | JTAG_TDO — JTAG test data out |
| Pin 85 | JTAG_TRST — JTAG test reset |
| Pin 86 | BOOT_CFG0 — Boot configuration 0 |
| Pin 87 | BOOT_CFG1 — Boot configuration 1 |
| Pin 88 | THERMAL_PAD — Exposed thermal pad - tie to ground for thermal dissipation |
Aplicaciones típicas
ADSP-BF706BCPZ-4 es adecuado para 6 aplicacións: Industrial Sensor Signal Processing, Portable Audio and Voice Processing, Motor Control and Drive Loops, Smart Metering Endpoints, USB-Enabled Embedded Products, Machine-Health Monitoring.
Industrial Sensor Signal Processing
The ADSP-BF706BCPZ-4 fits industrial sensor signal processing because its 400 MHz dual-MAC Blackfin+ core delivers 800 MMACS of deterministic DSP performance. With 1 MByte of on-chip ECC-protected SRAM, sensor fusion and vibration-analysis algorithms run entirely from internal memory. Static power under 100 mW keeps thermal rise low in sealed enclosures, and the -40C to +105C operating range supports factory-floor deployments.
Recomendado
Portable Audio and Voice Processing
The ADSP-BF706BCPZ-4's 400 MHz Blackfin+ core and Blackfin SIMD extensions are well-suited for portable audio and voice-processing front-ends. Low-latency DSP primitives such as FFTs, FIR filters, and codecs run with headroom, while USB 2.0 HS OTG enables direct streaming to a host PC. The sub-100 mW static power supports battery-powered designs requiring always-listening audio wake-word or noise-suppression features.
Recomendado
Motor Control and Drive Loops
The ADSP-BF706BCPZ-4 drives industrial motor control loops via the integrated dual CAN 2.0B controllers and high-resolution PWM peripherals. The 400 MHz dual-MAC core executes field-oriented control (FOC) algorithms at 20-40 kHz loop rates with comfortable margin. ECC-protected SRAM prevents soft errors in long-lifetime industrial installations where reliability matters most for all aspects of the design.
Recomendado
Smart Metering Endpoints
The ADSP-BF706BCPZ-4 suits smart-metering endpoints requiring real-time computation of RMS power, harmonic analysis, and load profiling. USB 2.0 HS OTG and dual CAN enable AMI (Advanced Metering Infrastructure) connectivity without extra components. The 1 MByte internal SRAM caches long time-series windows, eliminating the need for external memory and reducing BOM cost in all aspects of the metering design.
Recomendado
USB-Enabled Embedded Products
The ADSP-BF706BCPZ-4 is ideal for USB-enabled embedded products because USB 2.0 HS OTG is integrated directly into the silicon, eliminating the need for a companion PHY or external MCU. The 400 MHz core offloads bulk endpoint transfers and DSP preprocessing from a host CPU. Drop-in compatibility within the BF70x family lets designers scale memory and peripherals without changing the 88-LFCSP-VQ PCB layout.
Recomendado
Machine-Health Monitoring
The ADSP-BF706BCPZ-4 handles machine-health monitoring workloads such as bearing-fault detection, envelope analysis, and predictive-maintenance FFTs. The dual-MAC 16-bit DSP engine computes 1024-point FFTs in microseconds, while the 88-LFCSP-VQ package keeps the BOM small for retrofittable vibration nodes. Industrial temperature rating and ECC SRAM support 24/7 deployment across all aspects of the factory floor.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADSP-BF706BCPZ-4 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADSP-BF706KCPZ-4 | ADSP-BF706KCPZ-3 | ADSP-BF707BCPZ-4 | ADSP-BF704BCPZ-4 | ADSP-BF702BCPZ-4 |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 88-LFCSP-VQ (12x12 mm) | 88-LFCSP-VQ (12x12 mm) - same | 88-LFCSP-VQ (12x12 mm) - same | 88-LFCSP-VQ (12x12 mm) - same | 88-LFCSP-VQ (12x12 mm) - same | 88-LFCSP-VQ (12x12 mm) - same |
| Core Frequency | 400 MHz | 400 MHz | 300 MHz (-25%) | 400 MHz | 400 MHz | 400 MHz |
| Processing Throughput | 800 MMACS | 800 MMACS | 600 MMACS (-25%) | 800 MMACS | 800 MMACS | 800 MMACS |
| On-chip SRAM | 1 MByte | 1 MByte | 1 MByte | ~1.3 MByte | ~512 KByte | ~256 KByte |
| USB 2.0 HS OTG | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) |
| CAN 2.0B | 2 controllers | 2 controllers | 2 controllers | 2 controllers | 2 controllers | 1 controller |
| Static Power | <100 mW | <100 mW | <80 mW (lower speed) | <110 mW | <90 mW | <85 mW |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
Diferenciadores clave
- Lowest static power in Blackfin+ family (frente a ADSP-BF707BCPZ-4)
- Larger memory headroom than BF702/BF704 (frente a ADSP-BF702BCPZ-4)
- Dual CAN versus single CAN on BF702 (frente a ADSP-BF702BCPZ-4)
Notas de diseño
The ADSP-BF706BCPZ-4 requires two supply rails: VDDINT (1.8 V typical) for the core and VDDEXT (3.3 V typical) for I/O. Per Analog Devices hardware reference, BLACKfin+ mandates VDDINT must reach 0.8 x nominal before stable. Required input bulk + 0.1 uF ceramic per VDD rail, sourced from datasheet section covering all aspects of power sequencing for this DSP.
Use a 4-layer PCB with a continuous ground layer under the 88-LFCSP-VQ package. Place 0.1 uF decoupling capacitors placed as close as possible to each VDDINT/VDDEX pin pair. Tie the exposed thermal pad to ground using a 4x4 via array to dissipate core heat. The 12x12 mm footprint needs adequate copper pour to maintain junction temperature below 125 C across all aspects of operation.
Do not assume JTAG pins can be unused; if JTAG is disabled, pull TMS high and TCK low with 10 kohm resistors to avoid floating inputs. Do not exceed the 105 C maximum junction temperature at full 400 MHz load. The bootloader GPIO strap pins (BOOT_CFG0/1) determine the boot source at reset - configure them correctly before applying the supply rails for reliable startup of the DSP.
Información de cumplimiento
RoHS compliant per Analog Devices product page. Industrial temperature grade -40C to +105C; not AEC-Q100 qualified - contact Analog Devices for automotive-grade Blackfin+ options.
