ADAU1701JSTZ - 28/56-Bit Audio DSP with 2 ADC/4 DAC | Analog Devices
MPN: ADAU1701JSTZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.4743 | $4.47 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
ADAU1701JSTZ Overview
A SigmaDSP audio processor is a specialized digital signal processor used to implement audio functions such as equalization, crossover, bass enhancement, multiband dynamics, delay compensation, speaker compensation, and stereo-image widening. The ADAU1701 places these functions alongside conversion and control resources for standalone audio-system designs.
Key verified features include two ADCs with 100 dB SNR and -83 dB THD, plus four DACs with 104 dB SNR and -90 dB THD. The device supports a 28-/56-bit audio processing architecture and is identified by distributor listings as a 50 MHz, 48-LQFP device. Its integrated architecture reduces the need for separate DSP, converter, and supervisory blocks in many audio products.
Typical audio processing tasks include loudspeaker crossover, room calibration, bass management, multiband compression, delay alignment, and stereo enhancement. The processor is also suitable for digital active speakers, sound bars, compact home-theater equipment, automotive audio electronics, and other systems requiring programmable audio behavior.
Designers should use the Analog Devices datasheet and ADAU1701 design-support documentation to verify pin assignments, serial-interface modes, clock requirements, power sequencing, and software configuration before layout. The exact replacement must preserve the package footprint, pin compatibility, electrical limits, and control/software expectations; similarly named devices are not automatically drop-in replacements.
This page combines verified manufacturer and distributor information with package, application, sourcing, and design guidance. It is intended to help engineers evaluate the ADAU1701JSTZ for programmable audio processing while clearly separating verified specifications from details that require confirmation from the complete datasheet.
Drop-in alternatives for ADAU1701JSTZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADAU1401YSTZ
✅ Drop-In📋 Reference alternative (not in catalog)
ADAU1702JSTZ
✅ Drop-In📋 Reference alternative (not in catalog)
ADAU1701JSTZ Maximum Ratings & Electrical Characteristics
| Product Type | SigmaDSP audio processor |
| DSP Architecture | 28-/56-bit |
| Maximum DSP Clock | 50 MHz |
| ADC Channels | 2 channels |
| ADC SNR | 100 dB |
| ADC THD | -83 dB |
| DAC Channels | 4 channels |
| DAC SNR | 104 dB |
| DAC THD | -90 dB |
| Package | 48-LQFP, 7 x 7 mm |
| Surface-Mount Package | Yes |
| Signal Processing | Equalization, crossover, bass enhancement, multiband dynamics, delay compensation, speaker compensation, and stereo-image widening |
| Control Interfaces | Microcontroller-like control interfaces |
| Analog-to-Digital Conversion | Two integrated ADCs |
| Digital-to-Analog Conversion | Four integrated DACs |
ADAU1701JSTZ yes Pin Configuration Guide
Pin configuration for ADAU1701JSTZ (yes package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for ADAU1701JSTZ.
Refer to the datasheet for full pin configuration.
Typical Applications
ADAU1701JSTZ is suitable for 6 applications: Digital Active Speaker Crossover, Sound Bar Audio Processing, Automotive Audio Head Unit, Multiband Speaker Dynamics Control, Home Theater Speaker Calibration, Portable Speaker Enhancement.
Digital Active Speaker Crossover
The ADAU1701JSTZ fits digital active-speaker crossover designs because its 28-/56-bit SigmaDSP architecture can implement programmable frequency division, phase adjustment, equalization, and speaker compensation. The two ADCs can accept multiple analog signal channels while four DACs support structured multiway loudspeaker outputs when paired with suitable amplifiers. Its verified 50 MHz identity and integrated processing functions reduce the need for separate DSP logic, but sample rates, clocking, filter coefficients, and amplifier input ranges must be verified in the datasheet.
Recommended
Sound Bar Audio Processing
A sound bar benefits from the ADAU1701JSTZ when it needs local volume-independent tuning, channel routing, bass management, and speaker alignment in one programmable processor. The four DAC channels provide a basis for multi-zone or multi-driver output architecture, while the two ADC channels can support sensing or source-related functions. Verified features include equalization, delay compensation, speaker compensation, and stereo-image widening. Power, grounding, digital clocking, and amplifier integration still require board-level validation.
Recommended
Automotive Audio Head Unit
The ADAU1701JSTZ can be evaluated for automotive audio processing applications where programmable equalization, crossover, delay, and multiband dynamics are valuable. The supplied cross-reference material identifies ADAU1401YSTZ as an automotive-qualified related device, which makes qualification status a decisive selection criterion rather than assuming ADAU1701JSTZ is automotive-ready. Verify AEC-Q100 status, temperature limits, supply behavior, EMI requirements, and automotive qualification documentation for the exact ordering code before design release.
Recommended
Multiband Speaker Dynamics Control
The ADAU1701JSTZ is suitable for multiband dynamics processing because the manufacturer lists multiband dynamics processing and bass enhancement among its supported SigmaDSP functions. Such a system can divide an audio signal into bands, apply level-dependent processing, and smooth transitions between drivers. The integrated four-DAC architecture provides multiple output channels for band-specific routing. Filter stability, latency, clipping behavior, and thermal performance depend on the complete design and must be checked against the official documentation.
Recommended
Home Theater Speaker Calibration
For home-theater speaker calibration, the ADAU1701JSTZ can combine equalization, delay compensation, crossover, and speaker compensation in a programmable audio path. These functions are useful when multiple loudspeakers must be aligned for different listening positions or when factory calibration data must be applied without changing the analog signal path. The two ADCs support measurement or auxiliary input functions, while four DACs can serve calibrated output channels. Verify clock accuracy, memory, serial interfaces, and system latency before selecting the final architecture.
Recommended
Portable Speaker Enhancement
The ADAU1701JSTZ can support portable or compact speakers that need dynamic bass enhancement, stereo widening, crossover, and protective speaker compensation without a large discrete processing chain. The integrated 28-/56-bit audio processor and four DACs make it useful when multiple outputs must be coordinated digitally. The product is not verified as battery-powered or portable-qualified in the supplied data, so power consumption, supply range, thermal limits, package layout, and environmental requirements must be confirmed before adoption.
Recommended
Recommended Products Summary
Engineering reference data for ADAU1701JSTZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADAU1401YSTZ | ADAU1702JSTZ |
|---|---|---|---|
| Product Type | SigmaDSP audio processor | Related SigmaDSP audio processor | Related ADAU1702-family audio processor |
| Brand | Analog Devices | Analog Devices | Analog Devices |
Key Differentiators
- Integrated conversion resources (vs ADAU1401YSTZ)
- Verified converter performance figures (vs ADAU1401YSTZ)
- Selection based on qualification requirements (vs ADAU1401YSTZ)
- Programming architecture and audio feature set (vs ADAU1702JSTZ)
Design Notes
Use the official ADAU1701 datasheet as the authority for the 48-LQFP pinout, exposed-pad or thermal requirements, power pins, clock inputs, serial interfaces, and decoupling. Place required input, output, and reference capacitors according to the manufacturer layout guidance, and route high-speed digital and audio signals away from analog inputs. Do not start layout from a distributor preview image.
The supplied data does not provide the ADAU1701JSTZ supply-voltage range or current limits, so power-rail design must be completed from the official datasheet. Preserve the required sequencing and local decoupling, verify analog and digital return paths, and account for converter startup and clock settling before enabling audio functions. Estimated power dissipation cannot be calculated reliably until voltage, current, and thermal data are confirmed.
Treat clock, serial-audio, and control lines as high-speed digital interfaces even though the device is an audio processor. Match clocks and data lines according to the supported interface rates, keep returns continuous, use controlled impedance when required, and validate eye timing and jitter with the final PCB. Analog input and DAC outputs also require layout attention because converter performance depends on clean references and low-noise supply paths.
Do not substitute ADAU1401YSTZ or ADAU1702-family devices based only on family naming. The supplied data does not verify identical pins, electrical limits, memory, software behavior, or qualification. Before replacing ADAU1701JSTZ, obtain the manufacturer datasheets, compare every power and signal pin, check boot and clock requirements, and validate the replacement with the existing SigmaDSP toolchain and audio test suite.
Compliance Information
The supplied excerpts do not provide exact-compliance records for ADAU1701JSTZ. ADAU1401YSTZ is described as automotive-qualified in a cross-reference comparison result, but that does not establish AEC-Q100 status for ADAU1701JSTZ. Obtain current manufacturer compliance documentation before release.
