My Inquiry
My Account
Analog Devices Inc. ADAU1452KCPZ
- Part No.:
- ADAU1452KCPZ
- Manufacturer:
- Analog Devices Inc.
- Category:
- DSP (Digital Signal Processors)
- Package:
- 72-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADAU1452KCPZ.pdf
- Description:
- 300 MHZ 32BIT SIGMADSP AUDIO PRO
- Quantity:
- Payment:
- Shipping:
Inventory:1,909
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADAU1452KCPZ from Analog Devices is an automotive-qualified, fully programmable 32-bit SigmaDSP audio processor with a 294.912 MHz core clock, 40 kWords of parameter/data RAM, 800 ms digital audio delay pool at 48 kHz, and integrated stereo S/PDIF I/O - deployed in head units and DSP amplifiers for real-time multi-band EQ, dynamic range control, and speaker management.
For engineers reviewing the ADAU1452KCPZ datasheet, ADAU1452KCPZ pinout, ADAU1452KCPZ application, or ADAU1452KCPZ equivalent, this page delivers verified functional specifications, validated pin roles, confirmed automotive-grade thermal performance (0°C to +70°C), and direct alternative options for multirate audio hub designs requiring ASRCs, self-boot EEPROM support, and TDM/I²S routing flexibility.
Technical Context
The ADAU1452KCPZ implements a restructured 32-bit SigmaDSP core executing up to 6144 SIMD instructions per sample at 48 kHz, with dedicated hardware for asynchronous sample rate conversion (16-channel ASRC, 139 dB DNR), flexible TDM/I²S/PCM serial port configuration (48-channel I/O up to 192 kHz), and integer PLL-based clock generation supporting up to 15 simultaneous sample rates.
It integrates dual control interfaces (I²C and SPI, both master and slave), on-chip 1.2 V regulator (fed from 3.3 V), die temperature sensor, 6-channel 10-bit auxiliary ADC, and 14 multipurpose GPIO pins - enabling standalone operation via self-boot from serial EEPROM and direct interfacing with PDM MEMS microphones, DACs, ADCs, and amplifiers without external clock conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSP Core Frequency | 294.912 MHz - enables full 48 kHz sample-rate processing with complex multi-channel algorithms including 10-band EQ per channel and active crossover. |
| Parameter/Data RAM | 40 kWords - supports large-scale audio processing flows with extensive filter banks, delay lines, and coefficient tables in SigmaStudio. |
| ASRC Channels | 16 channels (8 rates × 2 channels) - allows seamless integration of mixed-sample-rate sources (e.g., Bluetooth 44.1 kHz + USB 48 kHz + tuner 96 kHz) into a unified 48 kHz or 96 kHz processing domain. |
| S/PDIF I/O | Stereo input and output - provides direct connection to CD/DVD players, AV receivers, and digital media sources without external transceivers. |
| Digital Audio I/O | 48-channel, 32-bit, up to 192 kHz - supports high-resolution multi-zone automotive audio systems with independent front/rear/surround processing paths. |
| Temperature Range | 0°C to +70°C - qualified for infotainment head unit and rear-seat entertainment applications where extended industrial range is not required. |
| Package | 72-lead, 10 mm × 10 mm LFCSP with 5.3 mm exposed pad - optimized for thermal dissipation in compact automotive PCB layouts with tight EMI constraints. |
Pinout & Package
ADAU1452KCPZ uses a 72-lead, 10 mm × 10 mm LFCSP package with 5.3 mm exposed thermal pad (pin 72 = EPAD, connected to GND). The device features four serial input/output ports, dual S/PDIF I/O, crystal oscillator inputs (XTALIN/MCLK, XTALOUT), PLL filter (PLLFILT), and 14 multipurpose pins (MP0–MP13) configurable as GPIO, PWM, or interrupt outputs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDATA_IN0–SDATA_IN3 | Digital audio input data lanes | Accept 48-channel TDM/I²S/PCM streams; each port handles up to 12 channels at 32-bit resolution. |
| SDATA_OUT0–SDATA_OUT3 | Digital audio output data lanes | Route processed audio to DACs, amplifiers, or downstream processors with full channel-level routing control. |
| SPDIFIN / SPDIFOUT | S/PDIF receiver/transmitter | Direct stereo digital audio interface compliant with IEC-60958; no external transceiver needed. |
| BCLK_IN0–BCLK_IN3 / LRCLK_IN0–LRCLK_IN3 | Input bit clock and frame sync | Support independent clock domains per serial port - essential for multirate ASRC-fed systems. |
| XTALIN / XTALOUT | Clock oscillator terminals | Drive external 12.288 MHz crystal to generate master clock; eliminates need for external clock generator IC. |
| MP0–MP13 | Multipurpose I/O pins | Configurable as GPIO, PWM, or interrupt sources - used for button detection, LED control, or amplifier mute signaling. |
Key Features
| Feature | Design Value |
|---|---|
| SigmaStudio graphical programming | Enables drag-and-drop development of signal flows (EQ, crossover, dynamics, delay) without C coding - reduces firmware validation time by >70% vs. traditional DSP toolchains. |
| Self-boot from EEPROM | Loads program and parameter memory automatically on power-up - enables fully autonomous operation in head units without host MCU involvement. |
| On-chip 1.2 V regulator | Derives core voltage directly from 3.3 V supply - eliminates external LDO, saves board space, and simplifies power sequencing in multi-rail automotive systems. |
| Integrated PDM microphone interface | Four-channel decimation path for MEMS microphones - removes need for external PDM-to-I²S converters in voice-enabled infotainment and ANC systems. |
| Dual I²C/SPI interfaces (master + slave) | Allows ADAU1452KCPZ to configure external DACs/ADCs while simultaneously accepting updates from host MCU - ideal for hierarchical audio subsystems. |
Applications
| Automotive Head Units | DSP Amplifiers |
|---|---|
Use Scenario: Central infotainment system processing audio from multiple sources (USB, Bluetooth, tuner, HDMI ARC) with zone-specific EQ and loudness compensation. IC Role / Device Role / Timing Role: Multirate audio hub performing ASRC-based sample rate alignment, real-time FIR filtering, and 48-channel TDM routing to amplifier channels. Use Value: Eliminates external clock domain translators and reduces BOM count by integrating S/PDIF, ASRC, and self-boot EEPROM controller. |
Use Scenario: High-fidelity car audio amplifier with active crossover, time alignment, and speaker protection algorithms. IC Role / Device Role / Timing Role: Real-time signal conditioner generating precise delay-matched outputs for tweeter/midbass/woofer channels at 96 kHz. Use Value: Delivers 800 ms total delay pool at 48 kHz - sufficient for 17.4 m acoustic delay, enabling sub-1 cm time-alignment resolution across speaker arrays. |
| Rear Seat Entertainment | Navigation System Audio |
Use Scenario: Dual-display rear-seat system delivering independent audio streams (movies, games, video calls) with headphone and speaker outputs. IC Role / Device Role / Timing Role: Audio resource manager handling concurrent 48 kHz (video) and 16 kHz (VoIP) streams via ASRC, then mixing and routing to dual DACs. Use Value: 16-channel ASRC supports eight independent rate conversions - enabling simultaneous playback of diverse content types without sample dropouts. |
Use Scenario: Turn-by-turn navigation with text-to-speech overlay on music playback, requiring low-latency voice insertion and ducking. IC Role / Device Role / Timing Role: Voice priority mixer with dynamic gain control, triggered by navigation MCU via I²C, operating within <5 ms latency budget. Use Value: On-chip 6-channel auxiliary ADC monitors analog line-in levels for automatic ducking - avoids external comparator circuits and reduces latency by 2–3 ms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable audio DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADAU1452WBCPZ | Identical architecture and feature set, but rated for −40°C to +105°C automotive grade. | Required for under-hood or dashboard-mounted modules exposed to extended temperature extremes. | Select ADAU1452WBCPZ when full AEC-Q100 Grade 2 qualification is mandatory; ADAU1452KCPZ suffices for climate-controlled cabin locations. |
| ADAU1451WBCPZ | Same 294.912 MHz core and ASRC capability, but only 16 kWords of data RAM (vs. 40 kWords). | Suitable for mid-tier head units with fewer audio zones or simpler processing (e.g., 2×2 EQ + basic crossover). | Choose ADAU1451WBCPZ to reduce cost where 40 kWords RAM is unnecessary; ADAU1452KCPZ retains headroom for future firmware upgrades. |
Compared with ADAU1452WBCPZ, the ADAU1452KCPZ trades extended temperature range for lower cost and same core performance - making it optimal for cabin-localized infotainment. Against ADAU1451WBCPZ, it doubles data RAM capacity while retaining identical ASRC count and S/PDIF functionality - critical for scalable multi-zone audio expansion.
Availability
ADAU1452KCPZ is available at Aetrix Electronics and suitable for automotive head units, DSP amplifiers, rear seat entertainment systems, and navigation audio subsystems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-aligned sourcing.
Supply support for ADAU1452KCPZ 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving automotive, industrial, communications, and consumer markets since 1965.
The ADAU1452KCPZ belongs to the SigmaDSP family - engineered specifically for real-time, low-latency audio signal processing in automotive infotainment and premium audio systems, with emphasis on multirate interoperability and graphical configurability.
FAQ
What is the operating temperature range for the ADAU1452KCPZ?
The ADAU1452KCPZ is specified for operation from 0°C to +70°C. This grade is intended for cabin-located applications such as head units and rear-seat displays where ambient temperatures remain within commercial limits. It shares identical electrical and functional specifications with the −40°C to +105°C ADAU1452WBCPZ, except for thermal qualification. For ADAU1452KCPZ designs, thermal derating above 70°C is not supported.
Does the ADAU1452KCPZ support self-boot functionality?
Yes, the ADAU1452KCPZ supports self-boot from external serial EEPROM via its dedicated boot interface. Upon power-up, it automatically loads program code and parameter memory without host MCU intervention - a key enabler for standalone audio modules in automotive infotainment. The boot sequence is configurable via hardware pins and supports checksum verification to ensure integrity of the ADAU1452KCPZ firmware image.
How many asynchronous sample rate converters (ASRCs) does the ADAU1452KCPZ include?
The ADAU1452KCPZ includes 16-channel ASRC capability - structured as eight independent sample rate conversion pairs (8 × 2 channels), supporting conversion ratios from 1:8 to 7.75:1 with 139 dB A-weighted dynamic range. This enables robust integration of mixed-source audio (e.g., Bluetooth 44.1 kHz, USB 48 kHz, tuner 96 kHz) into a unified processing domain - a core requirement for modern ADAU1452KCPZ-based head units.
Is stereo S/PDIF I/O available on the ADAU1452KCPZ?
Yes, the ADAU1452KCPZ includes fully functional stereo S/PDIF input and output interfaces (SPDIFIN and SPDIFOUT pins), compliant with IEC-60958. Unlike the ADAU1450, which omits S/PDIF entirely, the ADAU1452KCPZ uses these pins for direct connection to digital audio sources and sinks - eliminating the need for external S/PDIF transceivers in ADAU1452KCPZ-based navigation or amplifier designs.
What serial control interfaces does the ADAU1452KCPZ support?
The ADAU1452KCPZ supports both I²C and SPI interfaces in dual-role mode - functioning as either master or slave on each bus. This allows the ADAU1452KCPZ to be configured by a host MCU (slave mode) while simultaneously programming external DACs, ADCs, or EEPROMs (master mode). Pin multiplexing enables shared use of SCL/SDA and SCLK/MOSI/MISO signals, reducing PCB routing complexity in tightly constrained automotive layouts.
ADAU1452KCPZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- SigmaDSP®
- Package/Case:
- 72-VFQFN Exposed Pad, CSP
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Sigma
- Interface:
- I2C, SPI
- Clock Rate:
- 294.912MHz
- Non-Volatile Memory:
- ROM (32kB)
- On-Chip RAM:
- 160kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.20V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 72-LFCSP-VQ (10x10)
ADAU1452KCPZ FAQ
1.How can I place an order for ADAU1452KCPZ through Aetrix?
Please submit a Request for Quotation (RFQ) for ADAU1452KCPZ 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 ADAU1452KCPZ reliable?
The price and inventory of ADAU1452KCPZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADAU1452KCPZ is usually 5 days.
3.What payment methods are accepted for ADAU1452KCPZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADAU1452KCPZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADAU1452KCPZ?
ADAU1452KCPZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADAU1452KCPZ 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 ADAU1452KCPZ?
For technical support, including ADAU1452KCPZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADAU1452KCPZ requirements.
6.How does Aetrix verify that ADAU1452KCPZ is sourced from the original manufacturer or authorized distributors?
All ADAU1452KCPZ 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 ADAU1452KCPZ meets industry standards.
7.What is the process for return or replacement of ADAU1452KCPZ?
All ADAU1452KCPZ units undergo pre-shipment inspection (PSI). If there is an issue with ADAU1452KCPZ, 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 ADAU1452KCPZ part is unused and in its original packaging.
Return procedure for ADAU1452KCPZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADAU1452KCPZ Tags
-
TMS320C5535AZAY10
Texas Instruments
-
TMS320VC5501PGF300
Texas Instruments
-
ADSP-BF592KCPZ
Analog Devices Inc.
-
ADAU1463WBCPZ150
Analog Devices Inc.
-
TMS320VC5402PGE100
Texas Instruments
-
ADAU1701JSTZ-RL
Analog Devices Inc.
-
ADAU1701JSTZ
Analog Devices Inc.
-
TMS320VC5502PGF300
Texas Instruments
-
ADAU1462WBCPZ300RL
Analog Devices Inc.
-
ADAU1452KCPZRL
Analog Devices Inc.
-
ADAU1452WBCPZ-RL
Analog Devices Inc.
-
TMS320C6747DZKB3
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
