DSPB56362AG120 - 24-bit Audio DSP, 120MHz, 144-LQFP | NXP
MPN: DSPB56362AG120 ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $22.4 | $2,240.00 |
| 500 | $19.85 | $9,925.00 |
| 1,000 | $17.9 | $17,900.00 |
DSPB56362AG120 Overview
An audio DSP is a specialized microprocessor optimized for real-time numeric computation on streaming sample data. The DSP56300 architecture sits inside the broader taxonomy of microcontrollers and embedded processors, but distinguishes itself with single-cycle multiply-accumulate (MAC) units, dual Harvard memory buses, and deterministic interrupt response. Audio-specific DSPs in this class typically integrate serial audio interfaces (I2S, Sony/Philips), host ports, and time-division multiplexed (TDM) buses, eliminating the need for external glue logic in multichannel playback chains.
Key features of the DSPB56362AG120 include the 24-bit fixed-point datapath, 120 MHz core clock, on-chip ROM and RAM sized for consumer audio codecs, and a peripheral set with Enhanced Serial Audio Interface (ESAI) ports, a Host Interface (HI), and a Synchronous Serial Interface (SSI). The 144-pin LQFP package provides generous I/O for multichannel audio routing while remaining compatible with standard SMT assembly lines. A low-voltage core with separate I/O rails enables efficient power delivery in A/V receiver chassis.
Typical applications span A/V receivers, surround-sound decoders, DVD players, set-top boxes, digital television audio, automotive head units, and outboard sound bars. The DSP56362 was designed by Motorola (now NXP) explicitly for cost-sensitive consumer audio, and the multimode, multichannel variant includes licensing for popular surround formats. General-purpose users can also deploy the part for speech processing, acoustic echo cancellation, and equalization in conferencing systems.
When designing with the DSPB56362AG120, ensure the JTAG/OnCE port is accessible for boundary-scan and in-system debug. The 3.3V I/O and 1.6V core rails require a sequenced power-up circuit, and the ESAI master clock should be derived from a low-jitter audio-grade PLL rather than a switching regulator output.
Drop-in alternatives for DSPB56362AG120 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPB56362AG120 (same form factor and footprint) — differing in Data Bus Width, Audio Interfaces, Core Architecture, Core Clock Frequency, Manufacturer.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPB56366AG120
✅ Drop-In✓ In Stock
$17.95 / Unit
View Datasheet →DSPB56362AG120R2
✅ Drop-In📋 Reference alternative (not in catalog)
DSPB56362AG120
✅ Drop-In✓ In Stock
$17.9 / Unit
View Datasheet →DSPB56362AG120 Maximum Ratings & Electrical Characteristics
| Core Architecture | DSP56300 (56000 family) |
| Data Bus Width | 24 bit |
| Core Clock Frequency | 120 MHz |
| Processing Throughput | 120 MIPS |
| Instruction Type | Fixed-Point |
| Program Memory Type | ROM |
| Audio Interfaces | ESAI, SSI (I2S / Sony-Philips compatible) |
| Host Interface | Yes (parallel HI port) |
| Debug Port | JTAG / OnCE |
| Package | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| Core Voltage | 1.6 V |
| I/O Voltage | 3.3 V |
| RoHS Status | Compliant (LEAD FREE per NXP product page) |
| Lead-Free | Yes |
DSPB56362AG120 Pin Configuration
| Pin 1 | VCC_CORE — Core supply (1.6 V) |
| Pin 2 | GND — Ground |
| Pin 3 | VCC_IO — I/O supply (3.3 V) |
| Pin 4 | RESET — Hardware reset (active-low) |
| Pin 5 | TCK — JTAG Test Clock |
| Pin 6 | TMS — JTAG Test Mode Select |
| Pin 7 | TDI — JTAG Test Data In |
| Pin 8 | TDO — JTAG Test Data Out |
| Pin 9 | TRST — JTAG Test Reset (active-low) |
| Pin 10 | DE — Debug Event |
| Pin 11 | GND — Ground |
| Pin 12 | MODA — Mode select A (boot mode) |
| Pin 13 | MODB — Mode select B (boot mode) |
| Pin 14 | MODC — Mode select C (boot mode) |
| Pin 15 | MODD — Mode select D (boot mode) |
| Pin 16 | GND — Ground |
| Pin 17 | VCC_CORE — Core supply (1.6 V) |
| Pin 18 | HA0 — Host Address 0 |
| Pin 19 | HA1 — Host Address 1 |
| Pin 20 | HA2 — Host Address 2 |
| Pin 21 | HD0 — Host Data 0 |
| Pin 22 | HD1 — Host Data 1 |
| Pin 23 | HD2 — Host Data 2 |
| Pin 24 | HD3 — Host Data 3 |
| Pin 25 | GND — Ground |
| Pin 26 | HRW — Host Read/Write |
| Pin 27 | HCS — Host Chip Select |
| Pin 28 | HDS — Host Data Strobe |
| Pin 29 | HREQ — Host Request |
| Pin 30 | HACK — Host Acknowledge |
| Pin 31 | VCC_IO — I/O supply (3.3 V) |
| Pin 32 | GND — Ground |
| Pin 33 | ESAI_TXD0 — ESAI Transmit Data 0 |
| Pin 34 | ESAI_TXD1 — ESAI Transmit Data 1 |
| Pin 35 | ESAI_TXD2 — ESAI Transmit Data 2 |
| Pin 36 | ESAI_TXD3 — ESAI Transmit Data 3 |
| Pin 37 | ESAI_TXD4 — ESAI Transmit Data 4 |
| Pin 38 | ESAI_TXD5 — ESAI Transmit Data 5 |
| Pin 39 | ESAI_RXD0 — ESAI Receive Data 0 |
| Pin 40 | ESAI_RXD1 — ESAI Receive Data 1 |
| Pin 41 | ESAI_RXD2 — ESAI Receive Data 2 |
| Pin 42 | ESAI_RXD3 — ESAI Receive Data 3 |
| Pin 43 | ESAI_RXD4 — ESAI Receive Data 4 |
| Pin 44 | ESAI_RXD5 — ESAI Receive Data 5 |
| Pin 45 | VCC_CORE — Core supply (1.6 V) |
| Pin 46 | GND — Ground |
| Pin 47 | ESAI_SCKR — ESAI Receiver Serial Clock |
| Pin 48 | ESAI_FSR — ESAI Receiver Frame Sync |
| Pin 49 | ESAI_HCKR — ESAI Receiver High-Frequency Clock |
| Pin 50 | ESAI_SCKT — ESAI Transmitter Serial Clock |
| Pin 51 | ESAI_FST — ESAI Transmitter Frame Sync |
| Pin 52 | ESAI_HCKT — ESAI Transmitter High-Frequency Clock |
| Pin 53 | VCC_IO — I/O supply (3.3 V) |
| Pin 54 | GND — Ground |
| Pin 55 | SSI_MCLK — SSI Master Clock |
| Pin 56 | SSI_BCLK — SSI Bit Clock |
| Pin 57 | SSI_FS — SSI Frame Sync |
| Pin 58 | SSI_TXD — SSI Transmit Data |
| Pin 59 | SSI_RXD — SSI Receive Data |
| Pin 60 | GND — Ground |
| Pin 61 | VCC_CORE — Core supply (1.6 V) |
| Pin 62 | PQA0 — GPIO / peripheral pin |
| Pin 63 | PQA1 — GPIO / peripheral pin |
| Pin 64 | PQA2 — GPIO / peripheral pin |
| Pin 65 | PQA3 — GPIO / peripheral pin |
| Pin 66 | PQA4 — GPIO / peripheral pin |
| Pin 67 | PQA5 — GPIO / peripheral pin |
| Pin 68 | GND — Ground |
| Pin 69 | PQA6 — GPIO / peripheral pin |
| Pin 70 | PQA7 — GPIO / peripheral pin |
| Pin 71 | PQB0 — GPIO / peripheral pin |
| Pin 72 | PQB1 — GPIO / peripheral pin |
| Pin 73 | PQB2 — GPIO / peripheral pin |
| Pin 74 | PQB3 — GPIO / peripheral pin |
| Pin 75 | VCC_IO — I/O supply (3.3 V) |
| Pin 76 | GND — Ground |
| Pin 77 | PQB4 — GPIO / peripheral pin |
| Pin 78 | PQB5 — GPIO / peripheral pin |
| Pin 79 | PQB6 — GPIO / peripheral pin |
| Pin 80 | PQB7 — GPIO / peripheral pin |
| Pin 81 | PQC0 — GPIO / peripheral pin |
| Pin 82 | PQC1 — GPIO / peripheral pin |
| Pin 83 | PQC2 — GPIO / peripheral pin |
| Pin 84 | PQC3 — GPIO / peripheral pin |
| Pin 85 | GND — Ground |
| Pin 86 | VCC_CORE — Core supply (1.6 V) |
| Pin 87 | PQC4 — GPIO / peripheral pin |
| Pin 88 | PQC5 — GPIO / peripheral pin |
| Pin 89 | PQC6 — GPIO / peripheral pin |
| Pin 90 | PQC7 — GPIO / peripheral pin |
| Pin 91 | PQD0 — GPIO / peripheral pin |
| Pin 92 | PQD1 — GPIO / peripheral pin |
| Pin 93 | PQD2 — GPIO / peripheral pin |
| Pin 94 | PQD3 — GPIO / peripheral pin |
| Pin 95 | GND — Ground |
| Pin 96 | VCC_IO — I/O supply (3.3 V) |
| Pin 97 | PQD4 — GPIO / peripheral pin |
| Pin 98 | PQD5 — GPIO / peripheral pin |
| Pin 99 | PQD6 — GPIO / peripheral pin |
| Pin 100 | PQD7 — GPIO / peripheral pin |
| Pin 101 | IRQA — Interrupt request A |
| Pin 102 | IRQB — Interrupt request B |
| Pin 103 | IRQC — Interrupt request C |
| Pin 104 | IRQD — Interrupt request D |
| Pin 105 | GND — Ground |
| Pin 106 | VCC_CORE — Core supply (1.6 V) |
| Pin 107 | EXTAL — External clock / crystal connection |
| Pin 108 | XTAL — Crystal connection |
| Pin 109 | CLKOUT — Clock output |
| Pin 110 | PCAP — PLL capacitor |
| Pin 111 | GND — Ground |
| Pin 112 | PINIT — PLL initialization / NMI |
| Pin 113 | VCC_IO — I/O supply (3.3 V) |
| Pin 114 | A0 — External address bus 0 |
| Pin 115 | A1 — External address bus 1 |
| Pin 116 | A2 — External address bus 2 |
| Pin 117 | A3 — External address bus 3 |
| Pin 118 | A4 — External address bus 4 |
| Pin 119 | A5 — External address bus 5 |
| Pin 120 | A6 — External address bus 6 |
| Pin 121 | A7 — External address bus 7 |
| Pin 122 | A8 — External address bus 8 |
| Pin 123 | A9 — External address bus 9 |
| Pin 124 | A10 — External address bus 10 |
| Pin 125 | A11 — External address bus 11 |
| Pin 126 | A12 — External address bus 12 |
| Pin 127 | A13 — External address bus 13 |
| Pin 128 | A14 — External address bus 14 |
| Pin 129 | A15 — External address bus 15 |
| Pin 130 | A16 — External address bus 16 |
| Pin 131 | A17 — External address bus 17 |
| Pin 132 | A18 — External address bus 18 |
| Pin 133 | A19 — External address bus 19 |
| Pin 134 | GND — Ground |
| Pin 135 | VCC_CORE — Core supply (1.6 V) |
| Pin 136 | D0 — External data bus 0 |
| Pin 137 | D1 — External data bus 1 |
| Pin 138 | D2 — External data bus 2 |
| Pin 139 | D3 — External data bus 3 |
| Pin 140 | D4 — External data bus 4 |
| Pin 141 | D5 — External data bus 5 |
| Pin 142 | D6 — External data bus 6 |
| Pin 143 | D7 — External data bus 7 |
| Pin 144 | GND — Ground / thermal pad adjacent |
Typical Applications
DSPB56362AG120 is suitable for 6 applications: A/V Receiver Audio Decoding, Surround-Sound Soundbar Processor, DVD / Blu-ray Player Audio Engine, Automotive Head Unit Audio DSP, Digital TV Audio Subsystem, Conferencing System Acoustic Processing.
A/V Receiver Audio Decoding
The DSPB56362AG120's 120 MIPS throughput and integrated ESAI host up to 6 serial audio data lines, suiting multichannel A/V receiver decoding pipelines (Dolby Digital, DTS, MPEG audio) without external serializer glue. The DSP56300 core executes licensed surround-sound codecs in real time while a host MCU streams compressed bitstreams via the parallel HI port. The 144-LQFP package exposes enough GPIO for source-selection routing and front-panel control.
Recommended
Surround-Sound Soundbar Processor
Single-chip cost-optimized surround processing for soundbar designs benefits from the DSPB56362AG120's on-chip codec licensing and 24-bit fixed-point MAC pipeline, which handles psychoacoustic virtualization (virtual surround) within a 120 MIPS budget. ESAI ports drive multiple Class-D amplifiers in parallel, while the SSI streams 2-channel PCM from the TV or HDMI receiver. The 3.3V I/O and 1.6V core rails support battery-friendly standby power in wall-powered soundbars.
Recommended
DVD / Blu-ray Player Audio Engine
DVD and Blu-ray players benefit from the DSPB56362AG120's combination of licensed audio codecs and a deterministic DSP56300 interrupt model that maintains lip-sync during disc playback. The Host Interface streams decoded PCM from the main SoC while the DSP performs room correction, bass management, and post-processing before delivering multichannel I2S to DACs. The 144-LQFP footprint fits slimline chassis layouts with conventional SMT lines.
Recommended
Automotive Head Unit Audio DSP
In automotive head units, the DSPB56362AG120's DSP56300 core delivers 120 MIPS sufficient for ANC (active noise cancellation), road-noise compensation, and cabin-tuned equalization in real time. The ESAI links the head-unit SoC to the external Class-D amplifier stage over I2S, and the HI port supports CAN-bridge or Ethernet audio front-ends. Designers should verify operating-temperature grade against AEC-Q100 requirements before qualifying for automotive builds.
Recommended
Digital TV Audio Subsystem
Integrated digital televisions use the DSPB56362AG120 to decode broadcast audio formats (AC-3, MPEG-1 Layer 2/3) and apply virtualization on stereo speaker enclosures. The DSP56300 dual-Harvard memory bandwidth sustains concurrent decode plus post-processing without dropouts. ESAI feeds the TV's panel-mounted speakers via an external amplifier while the SSI carries ARC/eARC audio back into the system for HDMI passthrough decoding.
Recommended
Conferencing System Acoustic Processing
Conference phones and beam-forming microphone arrays leverage the DSPB56362AG120's deterministic MAC pipeline for acoustic echo cancellation (AEC), noise suppression, and beam-forming across multiple microphone channels. ESAI's multi-data-pin mode ingests 4-8 mic channels simultaneously, and the HI port links to the application SoC for SIP/VoIP stack integration. The 120 MIPS budget handles full-duplex AEC plus running noise estimators at 48 kHz sample rate.
Recommended
Recommended Products Summary
Engineering reference data for DSPB56362AG120 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPB56366AG120 | DSPB56362AG120R2 |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP (20x20 mm) - same | 144-LQFP (20x20 mm) - same |
| Core Clock | 120 MHz | 120 MHz | 120 MHz |
| Data Bus Width | 24 bit | 24 bit | 24 bit |
| Throughput | 120 MIPS | 120 MIPS | 120 MIPS |
| Core Architecture | DSP56300 (56000) | DSP56300 (56000) - same | DSP56300 (56000) - same |
| Packaging Form | Tray | Tray | 13-inch Reel, 500 pcs |
| Lead-Free / RoHS | Yes / Compliant | Yes / Compliant | Yes / Compliant |
Key Differentiators
- Cost-optimized consumer audio licensing bundle (vs DSPB56366AG120)
- Long-standing industrial supply position (vs TI C6000 audio DSP family)
- On-chip ESAI with 6 data pins (vs Generic ARM Cortex-M4 with I2S)
Design Notes
The DSPB56362AG120 requires two rails: 1.6V core and 3.3V I/O. Power sequencing is required (core first, then I/O) to prevent latch-up. Place 100 nF ceramic decoupling capacitors as close as possible to each VCC pin, plus bulk 10 uF tantalum or polymer caps near the regulator outputs. Per the datasheet's design-considerations chapter, both rails must settle within 50 ms of each other to guarantee proper reset behavior.
Route the ESAI and SSI audio data lines as 50-ohm impedance-controlled traces with matched lengths within a byte group to maintain sample-clock alignment. Keep ESD-protected areas away from the analog supply filter network. A four-layer PCB with a solid ground plane directly under the 144-LQFP is recommended to reduce EMI from the 120 MHz core switching transients.
Do not rely on obsolete datasheet revision 'A' figures - newer NXP revisions add errata for ESAI underrun behavior at specific sample rates. The PLLEN bit must not be written while the PLL filter capacitor (PCAP pin) is settling, as this causes unstable clock output. Always consult the latest NXP errata PDF before locking the BOM, as this part is on last-time-buy and final silicon rev is fixed.
The 120 MHz core clock produces harmonics up to several GHz; route the EXTAL/XTAL pair over a continuous ground reference and keep the crystal within 5 mm of the DSP pins. If using an external CMOS oscillator instead of a crystal, buffer the output through a series 33 ohm resistor to dampen reflections. JTAG chain integrity requires TCK pulled high and TRST tied low through 10 kohm resistors for reliable OnCE debug.
Compliance Information
Per NXP product page, the part is LEAD FREE DSP56362. RoHS compliant per the same listing. AEC-Q100 qualification status is not asserted for the standard (non-automotive) part. Confirm halogen-free status with NXP before committing to halogen-free end products.
