ADAU1401YSTZ-RL Analog Devices Integrated Circuit (Other) In Stock
The ADAU1401YSTZ-RL is a standalone 28-/56-bit audio DSP from Analog Devices with integrated ADC, DAC, and SigmaDSP processing core. It provides on-chip program memory and supports stereo audio signal processing at up to 192 kHz sample rates in a 48-pin LQFP package. Supplied on reel for automated assembly in consumer and professional audio equipment.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- ADAU1401YSTZ-RL Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ADAU1401YSTZ-RL?
- 28-/56-bit dual-precision SigmaDSP core delivers high-fidelity audio processing without an external host MCU
- Integrated stereo ADC and DAC with up to 192 kHz sample rate support for audiophile-grade signal chains
- On-chip program and data memory enables standalone operation, reducing system BOM and simplifying firmware architecture
What is ADAU1401YSTZ-RL used for?
The ADAU1401YSTZ-RL is designed for standalone audio processing in powered loudspeakers, digital mixing consoles, and home theater receivers where a dedicated DSP handles equalization, crossover filtering, and dynamic range control. Its self-boot capability from external serial EEPROM enables operation without a host processor, reducing latency and system complexity. The device is also used in automotive infotainment and professional audio equipment requiring programmable FIR and IIR filter banks at 48 kHz or 96 kHz sample rates.
What are the specifications of ADAU1401YSTZ-RL?
| Pbfree Code | No |
| Manufacturer Package Code | ST-48 |
| YTEOL | 0 |
| Consumer IC Type | CONSUMER CIRCUIT |
| JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.63V |
| Supply Voltage-Min (Vsup) | 2.97V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Mainland China |
Where can I find the ADAU1401YSTZ-RL datasheet?
ADAU1401YSTZ-RL Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for ADAU1401YSTZ-RL?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What audio sample rates does the ADAU1401YSTZ-RL support for signal processing?
The ADAU1401YSTZ-RL supports audio sample rates of 48 kHz, 96 kHz, and 192 kHz, covering the full range from standard consumer to high-resolution professional audio formats. At 48 kHz, the SigmaDSP core provides sufficient processing headroom for complex filter chains including multi-band EQ and dynamic compression with 28-bit or 56-bit precision.
Can the ADAU1401YSTZ-RL operate without an external host microcontroller?
Yes, the ADAU1401YSTZ-RL supports self-boot operation by loading its DSP program from an external I2C serial EEPROM at power-up, requiring no host MCU during runtime. This standalone mode reduces system BOM by eliminating a separate microcontroller and its associated firmware, while still enabling full SigmaDSP filter and mixing algorithms at up to 192 kHz sample rates.
For a compact active loudspeaker design, what does the 48-pin LQFP package of the ADAU1401YSTZ-RL offer?
The ADAU1401YSTZ-RL's 48-pin LQFP (ST-48) package measures approximately 7 mm x 7 mm body with a 0.5 mm pin pitch, providing a small footprint that fits on compact DSP boards inside powered speaker enclosures. The fine-pitch LQFP allows close placement of decoupling capacitors, which is important for maintaining low noise floor in audio ADC and DAC signal paths.
When would a designer choose the ADAU1401YSTZ-RL over a more powerful SHARC DSP for an audio product?
The ADAU1401YSTZ-RL is the preferred choice when the application requires stereo or 2-in/4-out audio processing at up to 192 kHz without the cost and complexity of a full SHARC floating-point DSP. Its integrated 2-channel ADC and DAC, on-chip memory, and SigmaStudio graphical programming tool reduce development time from months to weeks compared to a SHARC-based design, making it cost-effective for mid-range audio products.
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Why Buy from FindMyChip
About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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