DSPB56720AG - Dual-Core 200MHz Audio DSP | NXP | Audio Processor
부품 번호: DSPB56720AG ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $25.68 | $25.68 |
| 10 | $24.4 | $244.00 |
| 100 | $22.9 | $2,290.00 |
| 500 | $21.5 | $10,750.00 |
| 1,000 | $20.1 | $20,100.00 |
DSPB56720AG 개요
An audio DSP (digital signal processor) is a specialized microprocessor optimized for real-time mathematical processing of audio streams - filtering, mixing, sample-rate conversion, and codec management. Within the signal-chain hierarchy, it sits between audio converters (ADC/DAC) and system controllers, forming part of the broader embedded processor family alongside MCUs and application processors.
Key features include 200 MHz core clock for high-throughput audio algorithms, 24-bit fixed-point data path native to professional audio resolution, dual multi-core architecture for parallel audio processing, and I2C and SPI interfaces for control and data transfer. The device operates over a commercial temperature range of 0C to +70C and comes in a halogen-free, lead-free LQFP-144 package supporting surface-mount assembly.
Architecturally, the DSP56720 family continues Freescale/NXP Symphony DSP lineage, combining DSP core computation with on-chip audio peripherals to minimize external component count in audio pipelines. This integration reduces board space and simplifies firmware development for multi-channel audio products.
Typical applications include AV receivers and soundbars, professional audio mixers and effects processors, and automotive or industrial audio amplification systems where real-time multi-channel processing is required. Its 24-bit path preserves signal fidelity for high-end audio products.
Design consideration: verify supply sequencing and clock configuration against the NXP DSP56720 datasheet, and plan PCB layout with solid ground planes and short trace runs to the audio converters to preserve the 24-bit noise floor.
드롭인 대체품: DSPB56720AG — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPB56720AG (동일 폼 팩터 및 풋프린트) — 차이점: Package, Core Architecture, Mounting Type, Temperature Grade, Core Frequency.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPB56721AG
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPB56364AF100
⚡ 동일 패키지✓ 재고 있음
$8.32 / 개
데이터시트 보기 →TMS320F28335QPGFAQ1
⚡ 동일 패키지 ⚠️ 사양 미검증✓ 재고 있음
$14.4 / 개
데이터시트 보기 →TMS320F28376SQ-Q1
⚡ 동일 패키지 ⚠️ 사양 미검증✓ 재고 있음
$14.55 / 개
데이터시트 보기 →DSPB56720AG 최대 정격 & 전기적 특성
| Product Type | Audio Processor Digital Signal Processor (DSP) |
| Core Clock Frequency | 200 MHz |
| Data Width | 24-bit |
| Series | Symphony DSP56720/DSP56721 |
| 패키지 | 144-LQFP (20x20 mm) |
| 실장 유형 | Surface Mount |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| Interfaces | I2C, SPI |
| 동작 온도 | 0C to +70C |
| Temperature Grade | Commercial |
| Lead Free | Yes |
| 할로겐 프리 | Yes |
| RoHS 상태 | Compliant |
| Number of Terminals | 144 |
DSPB56720AG 핀 구성
| 핀 1 | [DATA_NEEDED: pin name] — See NXP DSP56720/DSP56721 datasheet for full 144-LQFP pin assignment |
일반적인 애플리케이션
DSPB56720AG 적합 용도: 6 애플리케이션s: AV Receivers and Soundbars, Professional Audio Mixers and Effects Processors, Multi-Channel Amplifier Systems, Karaoke and Live Sound Systems, Digital Audio Interfaces and Processors, Industrial and Commercial Audio Annunciation.
AV Receivers and Soundbars
The DSPB56720AG's 200 MHz multi-core processing and native 24-bit data path make it a strong fit for AV receiver and soundbar audio engines, where Dolby/DTS decoding support, bass management, room correction, and multi-channel post-processing must run concurrently in real time. Placed between HDMI/audio input stages and multi-channel DACs, the DSP performs filtering, mixing, and sample-rate conversion while the I2C/SPI interfaces link it to the host MCU for control. The dual-core architecture allows one core to handle decode pipelines while the other runs speaker-processing algorithms, avoiding audible latency spikes.
추천
Professional Audio Mixers and Effects Processors
Professional mixing consoles and rack effects units demand deterministic, low-latency 24-bit processing of many simultaneous channels - EQ, dynamics, reverb, and routing. The DSPB56720AG's 200 MHz Symphony core delivers the MIPS headroom for dozens of concurrent filter and effect blocks, while its 24-bit fixed-point path preserves dynamic range through long processing chains. The LQFP-144 package provides ample GPIO and serial audio ports for ADC/DAC connectivity, and I2C/SPI handle user-interface and preset management. Firmwares typically time-slice effects per core to keep round-trip latency below a few milliseconds.
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Multi-Channel Amplifier Systems
In multi-zone and distributed audio amplifiers, the DSPB56720AG performs speaker equalization, level limiting, and crossover filtering ahead of power amplifier stages. Its I2C and SPI interfaces integrate with system supervisors for fault reporting and volume control, and the commercial 0C to +70C rating suits indoor installed-audio environments. A typical topology feeds the DSP from an SPDIF/I2S source, applies per-channel FIR/IIR crossovers, then outputs I2S to digital-input amplifier ICs. The 24-bit path ensures limiter action does not audibly degrade signal fidelity in high-output installations.
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Karaoke and Live Sound Systems
Karaoke mixers and powered loudspeakers rely on real-time microphone processing - feedback suppression, echo, pitch shift, and voice-priority ducking - all of which map naturally onto the DSPB56720AG's 200 MHz fixed-point core. Its multi-core architecture lets effects run in parallel with mixing and routing, maintaining stable latency during simultaneous mic and music processing. The LQFP-144 footprint offers enough serial ports to connect multiple ADC channels for mic inputs and multiple DAC channels for output zones, reducing external glue logic and keeping BOM cost controlled in cost-sensitive entertainment products.
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Digital Audio Interfaces and Processors
Standalone digital audio processors - format converters, sample-rate converters, and networked-audio endpoints - use the DSPB56720AG as the central processing element. Its 24-bit path and 200 MHz clock handle asynchronous sample-rate conversion and clock-domain bridging cleanly, while I2C/SPI manage communication with network modules and host controllers. Because the Symphony family integrates audio-specific peripherals on-chip, designers can implement SRC, level metering, and routing tables without external FPGA support. The commercial temperature range and lead-free LQFP-144 package support standard consumer product assembly and compliance requirements.
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Industrial and Commercial Audio Annunciation
Public-address, paging, and safety-annunciation systems in commercial buildings require reliable voice processing, message storage playback, and zone routing. The DSPB56720AG provides the real-time filtering, AGC, and delay-align processing needed for intelligible announcements across zones, with SPI/I2C linking to system controllers for fault monitoring. Its lead-free, halogen-free LQFP-144 construction meets commercial environmental compliance requirements, and the 200 MHz processing budget leaves margin for future firmware features such as ambient-noise-adaptive volume, extending product life without hardware redesign.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPB56720AG — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPB56721AG | DSPB56364AF100 | TMS320F28335QPGFAQ1 |
|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) | 144-LQFP | 144-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Texas Instruments |
| Core Clock | 200 MHz | 200 MHz | 100 MHz | 150 MHz |
| Data Width | 24-bit | 24-bit | 24-bit | 32-bit floating point |
| Architecture | Multi-core audio DSP | Multi-core audio DSP | Single-core DSP | Single-core control DSP |
| Interfaces | I2C, SPI | I2C, SPI | SPI, ESAI | SPI, I2C, CAN, eQEP |
| Audio Optimization | Yes (Symphony audio processor) | Yes | Yes (DSP56300 audio family) | No (motor/control oriented) |
| Pin Compatibility | Reference | Same family footprint | Not pin-compatible | Not pin-compatible |
주요 차별점
- Multi-core 200 MHz audio processing (vs DSPB56364AF100)
- Audio-optimized Symphony architecture (vs TMS320F28335QPGFAQ1)
- Lead-free, halogen-free LQFP-144 (vs DSPB56721AG)
설계 노트
The 144-LQFP (20x20 mm) package requires careful land-pattern design per the NXP DSP56720 datasheet footprint. Use a solid ground plane on layer 2 and connect all GND pins with short vias. Route I2S/audio serial traces as short as possible and away from clock lines to preserve the 24-bit noise floor; keep 200 MHz core clock traces impedance-controlled and length-matched where the datasheet recommends.
Decouple each supply pin group with 100 nF ceramic capacitors placed within 2 mm of the pins, plus bulk capacitance near the package. Verify the DSP56720 core and I/O supply sequencing requirements in the NXP datasheet before finalizing the power tree - incorrect sequencing can stress internal structures. Confirm exact core/I/O voltage values from the datasheet as they are not captured in distributor summary data.
The DSPB56720AG is commercial grade (0C to +70C) and not AEC-Q100 qualified - do not specify it for automotive cabins. The 'B' in DSPB56720AG denotes the Pb-free package; older 'C'-suffix counterparts may differ in assembly compatibility. Also note the DSPB56721AG differs in memory configuration, so firmware and linker files must be validated when substituting within the family.
규정 준수 정보
Distributor data confirms lead-free, halogen-free LQFP-144 package and RoHS compliance. REACH and conflict minerals status not stated in provided data.
