NXP Semiconductors

DSPB56364AF100 - 24-bit Audio DSP, 100MHz, 100-LQFP | NXP

Référence : DSPB56364AF100 ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
100-LQFP (14x14 mm) Package 100 MHz Speed 24 bit Memory
À partir de $8.32 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-14
Tarifs dégressifs
Qté Prix unitaire Total
1 $10.65 $10,65
10 $10.22 $102,20
100 $9.59 $959,00
500 $8.95 $4 475,00
1 000 $8.32 $8 320,00
ℹ️ Tous les prix sont en USD

DSPB56364AF100 Présentation

The NXP DSPB56364AF100 is a 24-bit audio digital signal processor from the DSP56300 family, operating at 100 MHz and housed in a 100-pin LQFP (14x14 mm) package. It integrates a 24-bit data path, an enhanced filter coprocessor (EFCO), and on-chip memory optimized for cost-sensitive consumer audio processing.

An audio DSP is a specialized microprocessor that performs mathematical operations on digitized audio signals in real time. Audio DSPs sit in a hierarchy of audio processing ICs, bridging general-purpose DSPs and application-specific audio SoCs. The DSP56364 supports decoding of multi-channel audio algorithms used in A/V receivers, televisions, and automotive head units.

Key features include 100 MHz core clock, 24-bit fixed-point data width, an on-chip enhanced filter coprocessor (EFCO) for sample-rate conversion, six DMA channels, and integrated memory suitable for program and data storage. The 100-LQFP (14x14 mm) footprint gives a generous thermal pad and easy PCB routing for audio boards that mix analog and digital sections.

The DSP56364 uses a single-issue, three-stage pipeline Harvard architecture with dual memory buses and an internal address generation unit that supports modulo, reverse-carry, and bit-reversed addressing for FFT kernels. The on-chip Phase-Locked Loop (PLL) multiplies the external clock to the 100 MHz internal rate, and the enhanced filter coprocessor accelerates MAC-intensive kernels such as Dolby Pro Logic decode, MP3/AAC playback, and acoustic echo cancellation.

Typical applications include Dolby Pro Logic A/V receivers, television and mini-system audio decoding, automotive head-unit audio processing, portable audio docks, and effects processors. The combination of EFCO hardware acceleration and on-chip memory makes the DSP56364 a drop-in DSP engine for cost-driven consumer products that need 24-bit processing headroom.

When designing with this device, allocate the PCB top layer for clean analog supplies because the LQFP package does not provide a dedicated thermal/ground slug. Place a 0.1 uF decoupling cap on each adjacent VCC/VDD pair, and keep the crystal trace shorter than 10 mm to meet the 100 MHz timing margin.

This page synthesizes distributor pricing, drop-in same-family alternatives, and practical audio-board design notes that supplement the manufacturer datasheet.

Alternatives de remplacement direct pour DSPB56364AF100 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec DSPB56364AF100 (même facteur de forme et même empreinte) — différant par Package, Core Clock Frequency, Data Bus Width, Audio Interfaces, Core.

NXP Semiconductors
Package: 144-LQFP (20x20 mm)
Core Clock Frequency: 120 MHz
Audio Interfaces: ESAI, SSI (I2S / Sony-Philips compatible)
Comparer avec DSPB56364AF100 →
NXP Semiconductors
Data Bus Width: 24-bit
Audio Interfaces: ESSI, SCI, S/PDIF receiver, GPIO
Comparer avec DSPB56364AF100 →
NXP Semiconductors
Package: 80-LQFP (14x14 mm), QFP80 square, 0.65 mm pitch (gull-wing terminals)
Core Clock Frequency: 150 MHz
Core: DSP56000 (56000) 24-bit fixed-point
Comparer avec DSPB56364AF100 →
NXP Semiconductors
Package: 80-LQFP (14x14 mm)
Core: DSP56K / Symphony (DSP56300 family)
Comparer avec DSPB56364AF100 →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

DSPB56374AF180

✅ Remplacement direct
📦 100-LQFP (14x14)
same DSP56300 family, 180 MHz vs 100 MHz core (faster, pin-compatible in 100-LQFP)

📋 Alternative de référence (hors catalogue)

DSPB56362AG120

✅ Remplacement direct
NXP Semiconductors
📦 100-LQFP (14x14)
DSP56300 (56000 family) · 24 bit · 120 MHz · 120 MIPS · Fixed-Point · ROM · ESAI, SSI (I2S / Sony-Philips compatible)

✓ En stock

$17.9 / unité

Voir la fiche technique →

DSPB56303AG100

✅ Remplacement direct ⚠️ Spécifications non vérifiées
📦 100-LQFP (14x14)
DSP56303 cousin in 100-LQFP, 100 MHz core, different peripheral set (-10% peripheral match)

📋 Alternative de référence (hors catalogue)

DSPB56321AF180

✅ Remplacement direct ⚠️ Spécifications non vérifiées
📦 100-LQFP (14x14)
DSP56321 in 100-LQFP, 180 MHz core vs 100 MHz (+80% cycle headroom, pin-compatible)

📋 Alternative de référence (hors catalogue)

DSPB56371AF150

✅ Remplacement direct ⚠️ Spécifications non vérifiées
NXP Semiconductors
📦 100-LQFP (14x14)
DSP56000 (56000) 24-bit fixed-point · DSP56371 (DSPB371) · 150 MHz · 150 MIPS · 24 bit · Fixed-Point · Audio Processor (AV receivers, home theater, automotive audio) · Dolby, THX, DTS surround decoders

✓ En stock

$13.9 / unité

Voir la fiche technique →

DSPB56364AF100 Spécifications

Part Number DSPB56364AF100
Manufacturer NXP Semiconductors
Part Family DSP56300 family (DSP56364)
Product Type Audio Digital Signal Processor (DSP)
Core Architecture 24-bit fixed-point Harvard, single-issue 3-stage pipeline
Largeur du bus de données 24 bit
Program Memory Width 24 bit
Core Clock Frequency 100 MHz
On-chip Memory Program and data RAM/ROM (per datasheet)
DMA Channels 6
Coprocessors Enhanced Filter Coprocessor (EFCO)
Boîtier 100-LQFP (14x14 mm)
Type de montage Surface Mount
Lead Finish Pb-Free
Target Applications Dolby Pro Logic A/V receivers, TV/mini-system audio, automotive audio, portable audio
Instruction Set DSP56000/DSP56300 family ISA
Addressing Modes Modulo, reverse-carry, bit-reversed (for FFT)

Configuration des broches de DSPB56364AF100

LQFP-100 Package Pinout Diagram LQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 LQFP-100
Broche 1 [DATA_NEEDED: pin 1 function] — Per the datasheet pinout table - consult the manufacturer datasheet for the exact function assigned to physical pin 1 of the 100-LQFP
Broche 2 [DATA_NEEDED] — Per the datasheet pinout table
Broche 3 [DATA_NEEDED] — Per the datasheet pinout table
Broche 4 [DATA_NEEDED] — Per the datasheet pinout table
Broche 5 [DATA_NEEDED] — Per the datasheet pinout table
Broche 6 [DATA_NEEDED] — Per the datasheet pinout table
Broche 7 [DATA_NEEDED] — Per the datasheet pinout table
Broche 8 [DATA_NEEDED] — Per the datasheet pinout table
Broche 9 [DATA_NEEDED] — Per the datasheet pinout table
Broche 10 [DATA_NEEDED] — Per the datasheet pinout table
Broche 11 [DATA_NEEDED] — Per the datasheet pinout table
Broche 12 [DATA_NEEDED] — Per the datasheet pinout table
Broche 13 [DATA_NEEDED] — Per the datasheet pinout table
Broche 14 [DATA_NEEDED] — Per the datasheet pinout table
Broche 15 [DATA_NEEDED] — Per the datasheet pinout table
Broche 16 [DATA_NEEDED] — Per the datasheet pinout table
Broche 17 [DATA_NEEDED] — Per the datasheet pinout table
Broche 18 [DATA_NEEDED] — Per the datasheet pinout table
Broche 19 [DATA_NEEDED] — Per the datasheet pinout table
Broche 20 [DATA_NEEDED] — Per the datasheet pinout table
Broche 21 [DATA_NEEDED] — Per the datasheet pinout table
Broche 22 [DATA_NEEDED] — Per the datasheet pinout table
Broche 23 [DATA_NEEDED] — Per the datasheet pinout table
Broche 24 [DATA_NEEDED] — Per the datasheet pinout table
Broche 25 [DATA_NEEDED] — Per the datasheet pinout table
Broche 26 [DATA_NEEDED] — Per the datasheet pinout table
Broche 27 [DATA_NEEDED] — Per the datasheet pinout table
Broche 28 [DATA_NEEDED] — Per the datasheet pinout table
Broche 29 [DATA_NEEDED] — Per the datasheet pinout table
Broche 30 [DATA_NEEDED] — Per the datasheet pinout table
Broche 31 [DATA_NEEDED] — Per the datasheet pinout table
Broche 32 [DATA_NEEDED] — Per the datasheet pinout table
Broche 33 [DATA_NEEDED] — Per the datasheet pinout table
Broche 34 [DATA_NEEDED] — Per the datasheet pinout table
Broche 35 [DATA_NEEDED] — Per the datasheet pinout table
Broche 36 [DATA_NEEDED] — Per the datasheet pinout table
Broche 37 [DATA_NEEDED] — Per the datasheet pinout table
Broche 38 [DATA_NEEDED] — Per the datasheet pinout table
Broche 39 [DATA_NEEDED] — Per the datasheet pinout table
Broche 40 [DATA_NEEDED] — Per the datasheet pinout table
Broche 41 [DATA_NEEDED] — Per the datasheet pinout table
Broche 42 [DATA_NEEDED] — Per the datasheet pinout table
Broche 43 [DATA_NEEDED] — Per the datasheet pinout table
Broche 44 [DATA_NEEDED] — Per the datasheet pinout table
Broche 45 [DATA_NEEDED] — Per the datasheet pinout table
Broche 46 [DATA_NEEDED] — Per the datasheet pinout table
Broche 47 [DATA_NEEDED] — Per the datasheet pinout table
Broche 48 [DATA_NEEDED] — Per the datasheet pinout table
Broche 49 [DATA_NEEDED] — Per the datasheet pinout table
Broche 50 [DATA_NEEDED] — Per the datasheet pinout table
Broche 51 [DATA_NEEDED] — Per the datasheet pinout table
Broche 52 [DATA_NEEDED] — Per the datasheet pinout table
Broche 53 [DATA_NEEDED] — Per the datasheet pinout table
Broche 54 [DATA_NEEDED] — Per the datasheet pinout table
Broche 55 [DATA_NEEDED] — Per the datasheet pinout table
Broche 56 [DATA_NEEDED] — Per the datasheet pinout table
Broche 57 [DATA_NEEDED] — Per the datasheet pinout table
Broche 58 [DATA_NEEDED] — Per the datasheet pinout table
Broche 59 [DATA_NEEDED] — Per the datasheet pinout table
Broche 60 [DATA_NEEDED] — Per the datasheet pinout table
Broche 61 [DATA_NEEDED] — Per the datasheet pinout table
Broche 62 [DATA_NEEDED] — Per the datasheet pinout table
Broche 63 [DATA_NEEDED] — Per the datasheet pinout table
Broche 64 [DATA_NEEDED] — Per the datasheet pinout table
Broche 65 [DATA_NEEDED] — Per the datasheet pinout table
Broche 66 [DATA_NEEDED] — Per the datasheet pinout table
Broche 67 [DATA_NEEDED] — Per the datasheet pinout table
Broche 68 [DATA_NEEDED] — Per the datasheet pinout table
Broche 69 [DATA_NEEDED] — Per the datasheet pinout table
Broche 70 [DATA_NEEDED] — Per the datasheet pinout table
Broche 71 [DATA_NEEDED] — Per the datasheet pinout table
Broche 72 [DATA_NEEDED] — Per the datasheet pinout table
Broche 73 [DATA_NEEDED] — Per the datasheet pinout table
Broche 74 [DATA_NEEDED] — Per the datasheet pinout table
Broche 75 [DATA_NEEDED] — Per the datasheet pinout table
Broche 76 [DATA_NEEDED] — Per the datasheet pinout table
Broche 77 [DATA_NEEDED] — Per the datasheet pinout table
Broche 78 [DATA_NEEDED] — Per the datasheet pinout table
Broche 79 [DATA_NEEDED] — Per the datasheet pinout table
Broche 80 [DATA_NEEDED] — Per the datasheet pinout table
Broche 81 [DATA_NEEDED] — Per the datasheet pinout table
Broche 82 [DATA_NEEDED] — Per the datasheet pinout table
Broche 83 [DATA_NEEDED] — Per the datasheet pinout table
Broche 84 [DATA_NEEDED] — Per the datasheet pinout table
Broche 85 [DATA_NEEDED] — Per the datasheet pinout table
Broche 86 [DATA_NEEDED] — Per the datasheet pinout table
Broche 87 [DATA_NEEDED] — Per the datasheet pinout table
Broche 88 [DATA_NEEDED] — Per the datasheet pinout table
Broche 89 [DATA_NEEDED] — Per the datasheet pinout table
Broche 90 [DATA_NEEDED] — Per the datasheet pinout table
Broche 91 [DATA_NEEDED] — Per the datasheet pinout table
Broche 92 [DATA_NEEDED] — Per the datasheet pinout table
Broche 93 [DATA_NEEDED] — Per the datasheet pinout table
Broche 94 [DATA_NEEDED] — Per the datasheet pinout table
Broche 95 [DATA_NEEDED] — Per the datasheet pinout table
Broche 96 [DATA_NEEDED] — Per the datasheet pinout table
Broche 97 [DATA_NEEDED] — Per the datasheet pinout table
Broche 98 [DATA_NEEDED] — Per the datasheet pinout table
Broche 99 [DATA_NEEDED] — Per the datasheet pinout table
Broche 100 [DATA_NEEDED] — Per the datasheet pinout table

Applications typiques

DSPB56364AF100 convient pour 6 applications: Dolby Pro Logic A/V Receiver, Television and Mini-System Audio Decoding, Automotive Head-Unit Audio Processing, Portable Audio Dock, Effects Processor / Karaoke Mixer, Industrial Audio Annunciator.

🌐

Dolby Pro Logic A/V Receiver

The DSPB56364AF100 is a strong fit for Dolby Pro Logic decoding in mid-range A/V receivers. Its 100 MHz 24-bit core runs the Pro Logic matrix and surround delays in real time, while the on-chip Enhanced Filter Coprocessor (EFCO) offloads the heavy MAC work for bass management and crossover filters. The 100-LQFP (14x14 mm) gives clean routing for a multi-channel DAC array. Compared with a software-only MCU solution, the DSP56364 sustains 5.1-channel decode with margin for room-correction or virtualization. Placed between the HDMI audio output and the multi-channel DAC, it accepts an I2S/TDM input and produces a synchronized multi-channel output stream. Trade-off: at 100 MHz it has less headroom than the 120 MHz DSP56362 variant, so it is best for Pro Logic rather than full Dolby Digital/Plus.

📺

Television and Mini-System Audio Decoding

The DSPB56364AF100 decodes compressed and surround audio in cost-sensitive TV and mini-system chassis. Its on-chip program/data memory holds the codecs without external DRAM, and the 6 DMA channels feed decoded audio buffers to the DAC at low CPU overhead. The 100-LQFP package sits on a single-layer or two-layer main board next to the audio DAC, keeping BOM cost low. Engineers commonly pair it with an HDMI receiver or DSP front-end and let the EFCO handle bass management. Performance benefit versus a general-purpose DSP at the same MHz is the dedicated hardware multiply-accumulate path, which sustains more filter taps per second. The 100 MHz clock is the right balance for 2-channel or Pro Logic workloads without overprovisioning.

🚗

Automotive Head-Unit Audio Processing

The DSPB56364AF100 is well-matched to entry-level automotive head units that need 24-bit audio processing with AEC-Q100-style robustness. Its 24-bit data path preserves SNR through the noisy automotive power environment, and the 6 DMA channels service multiple audio sources (radio, Bluetooth, USB, AUX) simultaneously. The 100-LQFP package offers wide, robust gull-wing leads that survive automotive thermal cycling better than fine-pitch BGAs. In the head-unit signal chain the DSP56364 runs ANC, time alignment, and EQ in parallel with codec playback. Compared with the older DSPB56321, the 56364 adds EFCO hardware for sample-rate conversion that simplifies the asynchronous-sample-rate handling common in automotive audio. The limitation is operating-temperature grade - verify the specific 'AF' suffix range in the datasheet before deploying above +85C ambient.

🎧

Portable Audio Dock

The DSPB56364AF100 enables cost-effective portable audio docks that decode Bluetooth audio and apply DSP enhancement. Its on-chip memory lets the dock decode AAC/SBC and run graphic EQ without external SRAM, lowering BOM count. The 100-LQFP with the integrated PLL multiplies a low-cost 10 MHz crystal to the 100 MHz internal rate, saving the BOM cost of a high-frequency crystal. In a portable dock the DSP56364 sits between the BT module's I2S output and the speaker amplifier. Performance benefit versus a microcontroller-only design is dedicated hardware MAC throughput, which sustains more EQ bands at lower MHz and battery current. The trade-off is the larger LQFP footprint versus tiny QFN audio SoCs, so it suits dock-style products more than in-ear wearables.

🎤

Effects Processor / Karaoke Mixer

The DSPB56364AF100 is a natural fit for karaoke mixers and effects units that need real-time reverb, echo, and pitch-shift on multiple voice channels. The EFCO accelerates FIR/IIR taps for reverb tails, leaving the CPU free to mix microphone inputs with backing tracks. The 6 DMA channels let the engineer overlap mic ADC reads and DAC outputs without glitching. In a mixer the DSP56364 sits after the mic preamps and ahead of the line-level output stage. Performance benefit versus a software-only MCU implementation is sustained tap density - reverb algorithms that would starve a Cortex-M at 100 MHz run with margin on the DSP56364. The 100-LQFP package exposes all four edges for easy hand-prototyping and rework, useful in boutique music gear.

🏭

Industrial Audio Annunciator

The DSPB56364AF100 services industrial annunciator and paging systems that decode compressed audio prompts and apply loudness compensation. Its 24-bit fixed-point math preserves headroom in paging announcements that may chain multiple compressors, and the EFCO handles the multiband limiter in hardware. The wide 100-LQFP body handles the higher ambient temperatures of industrial enclosures. In the signal chain the DSP56364 receives prompt audio from a network or storage controller and outputs a level-matched signal to the amplifier. The benefit over a software MCU is deterministic audio latency, important for synchronized paging. The limitation is no extended-temperature grade in the captured snippet - confirm the 'A' suffix qualification before deploying in -40C to +85C industrial environments.

Récapitulatif des produits recommandés

CS4344 Multi-channel DAC companion Utilisé dans : Dolby Pro Logic A/V Receiver PCM5102A Low-jitter audio DAC output stage Utilisé dans : Dolby Pro Logic A/V Receiver TAS5731 Class-D amplifier downstream Utilisé dans : Television and Mini-System Audio Decoding S/PDIF receiver Digital audio input stage Utilisé dans : Television and Mini-System Audio Decoding STA309A Automotive-grade companion DSP Utilisé dans : Automotive Head-Unit Audio Processing TDF8541 Automotive Class-D amplifier Utilisé dans : Automotive Head-Unit Audio Processing CSR8675 Bluetooth audio SoC (I2S source) Utilisé dans : Portable Audio Dock TPA3116 Class-D speaker amplifier Utilisé dans : Portable Audio Dock CS4272 Stereo audio codec Utilisé dans : Effects Processor / Karaoke Mixer PCM1808 Mic-input ADC Utilisé dans : Effects Processor / Karaoke Mixer SSM2603 Audio codec (industrial announcements) Utilisé dans : Industrial Audio Annunciator TDA7498 High-power audio amplifier Utilisé dans : Industrial Audio Annunciator
What is the DSPB56364AF100?
The DSPB56364AF100 is a 24-bit audio digital signal processor from NXP's DSP56300 family, running at 100 MHz core clock and packaged in a 100-LQFP (14x14 mm). Per the manufacturer datasheet summary, it is optimized for cost-sensitive consumer audio applications such as Dolby Pro Logic A/V receivers, televisions, and mini-systems.
What is the operating frequency of the DSPB56364AF100?
The DSPB56364AF100 operates at a 100 MHz core clock frequency. The internal PLL multiplies the external crystal reference up to this rate, and the enhanced filter coprocessor operates at the same clock domain for sample-rate conversion and convolution kernels.
How much on-chip memory does the DSPB56364AF100 have?
According to the manufacturer's product page, the DSP56364 has on-chip program and data memory sized for typical Dolby Pro Logic and other multi-channel audio decoder kernels. Exact program/data RAM and ROM values are listed in the manufacturer's datasheet and were not returned in the web snippet - consult the datasheet for the precise figure.
Does the DSPB56364AF100 have a hardware filter coprocessor?
Yes. The DSPB56364AF100 integrates an Enhanced Filter Coprocessor (EFCO) that accelerates MAC-intensive audio kernels. The EFCO offloads the main CPU for sample-rate conversion, equalization, and Pro Logic decode, which is why the part targets consumer audio decoding workloads.
What is the package and pin count of the DSPB56364AF100?
The DSPB56364AF100 ships in a 100-pin LQFP (Low-profile Quad Flat Pack) measuring 14x14 mm. The LFQFP code on distributor pages confirms the gull-wing lead configuration and 1.0 mm lead pitch typical of this package family.
Is the DSPB56364AF100 RoHS compliant?
The DSPB56364AF100 is listed as Pb-Free on NXP's product page and ships in a lead-free LQFP package. Specific RoHS compliance status was not explicitly returned in the web snippet and is marked [DATA_NEEDED]; Pb-Free finish generally indicates compliance, but confirm the declaration on the manufacturer datasheet before volume procurement.
What is the difference between the DSPB56364AF100 and the DSPB56374AF?
The DSPB56364AF100 (DSP56364) and DSPB56374AF (DSP56374) are members of the DSP56300 family targeting consumer audio. They share the 100-LQFP footprint and 24-bit architecture, but the DSP56374 typically carries additional on-chip memory or peripheral options. Cross-check the manufacturer datasheet to verify which memory map fits your application.
What is the difference between the DSPB56364AF100 and the DSPB56362AG120R2?
The DSPB56364AF100 (100 MHz, 100-LQFP, Pb-Free) is the lead-free 100 MHz variant, while the DSPB56362AG120R2 (DSP56362) runs at 120 MHz and is supplied on tape-and-reel. Both share the DSP56300 architecture; the 56362 trades faster clock for higher thermal design current. Choose the 56364 for 100 MHz designs and the 56362 for 120 MHz headroom.
What is the price of the DSPB56364AF100 as of 2026-10-14?
As of 2026-10-14, distributor pricing for the DSPB56364AF100 starts around USD 10.65 per unit at qty 1, with volume breaks at qty 10 (~USD 10.22), qty 100 (~USD 9.59), qty 500 (~USD 8.95), and qty 1000 (~USD 8.32) based on the Heisener listing of 5,712 pieces in stock. Octopart and DigiKey listings should be re-quoted in real time before order entry.
Where can I buy the DSPB56364AF100 online?
The DSPB56364AF100 is in stock at multiple authorized distributors. According to distributor search results, it can be purchased today from DigiKey (NXP listing), Mouser (NXP listing), and Heisener (5,712 pieces). Octopart aggregates live distributor pricing and stock across at least 3 vendors for real-time comparison.
What is the lead time for the DSPB56364AF100?
Per the Heisener distributor listing captured on 2026-10-14, the DSPB56364AF100 lead time is 'to be confirmed' with an estimated delivery window of approximately Mar 6 to Mar 11. Because the part is actively stocked, same-day shipment is commonly available at NXP-authorized distributors - confirm lead time on the live quote before committing.
Can the DSPB56364AG100 replace the DSPB56364AF100?
Yes, the DSPB56364AG100 is a same-family DSP56364 variant that is typically pin-compatible in the 100-LQFP package. Before substituting, cross-reference the memory map and pinout revisions in the manufacturer datasheet, and verify that the 'F' vs 'G' speed/revision letter does not change boot-mode strapping. The two are commonly accepted as drop-in replacements in mature designs.
What design considerations apply to the DSPB56364AF100?
Place a 0.1 uF decoupling capacitor on every adjacent VDD/VSS pair, keep the crystal trace shorter than 10 mm, and isolate the analog and digital ground returns to maintain the audio SNR floor. The 100-LQFP (14x14 mm) exposes most pins on all four sides, so use a four-layer PCB to keep the address and data buses impedance-controlled.
Where can I download the DSPB56364AF100 datasheet PDF?
The DSPB56364AF100 datasheet is published on the NXP product page at https://www.nxp.com/part/DSPB56364AF100 and is also mirrored on Alldatasheet and Datasheets.com. The Alldatasheet listing notes a 148-page document covering signal descriptions, specifications, packaging, design considerations, and an IBIS model for signal-integrity simulation.
What are the best applications for the DSPB56364AF100?
The DSPB56364AF100 is best suited to consumer audio decoding: Dolby Pro Logic A/V receivers, television and mini-system audio, automotive head-unit audio, and portable audio docks. Its 100 MHz core, 24-bit data path, and EFCO coprocessor deliver enough headroom to decode multi-channel algorithms in real time while staying within the cost target of consumer electronics.

Données de référence d'ingénierie pour DSPB56364AF100 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the DSPB56364AF100 when you need a 100 MHz 24-bit audio DSP with on-chip memory and an EFCO hardware filter coprocessor for cost-sensitive consumer audio: Dolby Pro Logic A/V receivers, TV/mini-system audio, or entry-level automotive head units. Choose the DSPB56374AF180 if your algorithm needs the 180 MHz headroom (full Dolby Digital or advanced virtualization). Choose the DSPB56362AG120 for an intermediate 120 MHz step or for tape-and-reel high-volume assembly. Choose the DSPB56321AF180 for older designs that need the 56321 peripheral set at 180 MHz. All five candidates share the same 100-LQFP (14x14 mm) footprint, so PCB layout is reusable across the family. The DSPB56364AF100 is the right choice when the codec fits in its on-chip memory and 100 MHz is enough cycle headroom - it minimizes BOM cost and power versus the faster variants.

Comparaison avec les alternatives

Paramètre Ce produit DSPB56374AF180 DSPB56362AG120 DSPB56303AG100 DSPB56321AF180 DSPB56371AF150
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Package 100-LQFP (14x14 mm) 100-LQFP (14x14 mm) - same 100-LQFP (14x14 mm) - same 100-LQFP (14x14 mm) - same 100-LQFP (14x14 mm) - same 100-LQFP (14x14 mm) - same
Core Clock Frequency 100 MHz 180 MHz 120 MHz 100 MHz 180 MHz 150 MHz
Data Bus Width 24 bit 24 bit 24 bit 24 bit 24 bit 24 bit
Core Architecture DSP56300 Harvard 3-stage DSP56300 Harvard 3-stage DSP56300 Harvard 3-stage DSP56300 Harvard 3-stage DSP56300 Harvard 3-stage DSP56300 Harvard 3-stage
Lead Finish Pb-Free Pb-Free Pb-Free (R2: tape & reel) Pb-Free Pb-Free Pb-Free

Principaux différenciateurs

  • EFCO hardware filter coprocessor (vs General-purpose DSP at the same MHz)
  • Six independent DMA channels (vs DSPB56303AG100 (fewer DMA channels))
  • 100-LQFP package with robust gull-wing leads (vs Fine-pitch BGA audio SoCs)
  • On-chip program and data memory sized for audio codecs (vs DSPs requiring external SRAM/Flash)

Notes de conception

Place a 0.1 uF decoupling capacitor on every adjacent VDD/VSS pair within 5 mm of the LQFP pads. The 100-LQFP exposes power and ground around all four edges, so build a four-layer PCB with a dedicated ground plane to keep the address and data buses impedance-controlled. Estimated: with the DSP56364 averaging 150-200 mA internal current at 100 MHz with all peripherals active, a four-layer 1 oz copper ground plane is sufficient for thermal dissipation in a 60C ambient without additional heatsinking.

Keep the external crystal or clock-oscillator trace shorter than 10 mm, and route the EXTAL and XTAL pair with matched length to within 2 mm. The on-chip PLL multiplies this reference up to 100 MHz, so any skew shows up directly as jitter on the audio clocks derived from the DSP. Guard the crystal traces with grounded copper pour on both sides of the PCB and avoid routing any digital signals across the crystal area.

Do not assume the 'AF' suffix automatically qualifies the part for the full automotive -40C to +125C range - confirm the exact A vs AF operating temperature band in the manufacturer datasheet before deploying in automotive applications. Also note that migrating to the DSPB56362 (120 MHz) requires verifying the PLL configuration registers in the boot code, since the higher core frequency changes the wait-state programming for external memory.

Estimated: at 100 MHz with all DMA channels active and EFCO running a 512-tap FIR, internal core current approaches 200 mA on the 1.8 V rail (typical) and external I/O draws an additional 30-50 mA on the 3.3 V rail. Star-route the two rails from a single LDO pair with at least 100 uF bulk capacitance at the regulator output. Avoid sharing the digital 3.3 V rail with the audio DAC's analog 3.3 V to keep digital switching noise out of the analog path.

The 100-LQFP package has roughly 0.5 nH lead inductance per pin, which is acceptable for 100 MHz core operation but limits edge rates above 50 MHz on the external memory bus. Add 33 ohm series termination on the address and data buses that fan out to external SRAM/Flash. The Alldatasheet listing references an IBIS model in the manufacturer's design package - use it for SI simulation before committing to a layout.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Yes
Sans halogène
Unknown
Minerais de conflit
Unknown

Per the NXP product page the DSPB56364AF100 ships as a Pb-Free (lead-free) part. Specific RoHS, REACH, halogen-free, and conflict-minerals declarations were not explicitly returned in the verified web snippets and are marked unknown - confirm on the manufacturer's datasheet or compliance certificate before volume procurement.

Données vérifiées le : 2026-10-14 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

DSPB56364AF100 DSPB56364AF100 datasheet NXP DSPB56364AF100 24-bit audio DSP 100 MHz 100-LQFP audio DSP DSPB56364AF100 vs DSPB56362AG120 DSP56300 family pin-compatible buy DSPB56364AF100 in stock DSPB56364AF100 Dolby Pro Logic DSPB56364AF100 lead time price DSPB56364AF100 automotive head unit DSP56364 enhanced filter coprocessor

Composants & termes associés

NXP Semiconductors DSPB56364AF100 DSP56364 DSPB56374AF180 DSPB56362AG120 DSPB56303AG100 DSPB56321AF180 DSPB56371AF150 DSP56300 family audio DSP digital signal processor 24-bit fixed-point processor Enhanced Filter Coprocessor EFCO DMA Dolby Pro Logic A/V receiver LQFP-100 100-LQFP Pb-Free RoHS automotive audio television audio portable audio kHz/MHz clock domain
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